Entries |
Document | Title | Date |
20080200795 | Method of Modifying MR Signals Using Ultrasound Waves - Described herein is a medical imaging technique that includes directing ultrasound waves into a portion of a body of interest during at least a portion of a time period during which an MR imaging process is simultaneously performed on the portion of the body of interest such that the MR signal is altered by the application of the ultrasound waves. The ultrasound waves may be applied continually during the MR imaging process, or only during a portion thereof. The frequency of the ultrasound waves may be substantially the same as, or different than that of the MR signals. Images may be produced from only the MR imaging process or both the MR imaging process and the application of ultrasound waves prior to the imaging sessions. | 08-21-2008 |
20080200796 | Method and system for computerized drawing and writing during functional magnetic resonance imaging - The present invention provides a method and device to record and visualize drawing and writing movements during functional magnetic resonance imaging (fMRI) of brain activity. The system includes a touch-sensitive tablet, an elevated mounting platform, a stylus, and a controller box, as well as the necessary cabling and software. All equipment residing inside the magnet room is non-ferromagnetic and does not interfere with scanner operation and does not affect fMRI data quality. Individuals lying inside the scanner interact with device in a natural, intuitive way, similar to writing with pen and paper. Drawing motions captured by the tablet are displayed through a pair of fMRI-compatible goggles or by using a projector and screen. Other visual stimuli can be concurrently presented with the drawing motions for the purpose of assessing specific aspects of human behavior. The system allows for a plurality of experiments to be performed, all while brain activity is measured and recorded. | 08-21-2008 |
20080200797 | METHOD AND APPARATUS FOR ENDOBRONCHIAL DIAGNOSIS - The present invention provides systems, methods, devices and kits for assessing the level of pulmonary disease in individual lung compartments. A lung compartment comprises a subportion of a lung, such as a lobe, a segment or a subsegment, for example. By measuring individual lung compartments, the level of disease of the pulmonary system may be more precisely defined by determining values of disease parameters reflective of individual subportions or compartments of a lung. Likewise, compartments may be separately imaged to provide further measurement information. Once individual compartments are characterized, they may be compared and ranked based on a number of variables reflecting, for example, level of disease or need for treatment. Such comparison may be aided by simultaneous display of such variables or images on a visual display. Further, the same tests may be performed on the lung as a whole or on both lungs and to determine the affect of the diseased lung compartments on the overall lung performance. In addition, the diseased lung compartments may be temporarily isolated and the measurement tests performed to determine the affect of the isolation on overall lung performance. As a result, the most beneficial treatment options may be selected. | 08-21-2008 |
20080208033 | MULTI-SLICE CEREBRAL BLOOD FLOW IMAGING WITH CONTINUOUS ARTERIAL SPIN LABELING MRI - This invention is a method for multi-slice CBF imaging using continuous arterial spin labeling (CASL) with an amplitude modulated control which is both highly effective at controlling for off resonance effects, and efficient at doubly inverting inflow spins, thus retaining the signal advantages of CASL versus pulsed ASL techniques. | 08-28-2008 |
20080208034 | Device, systems and methods for localized heating of a vessel and/or in combination with mr/nmr imaging of the vessel and surrounding tissue - Featured are devices, systems and methods for localized heating of a vessel as well as devices, systems and methods for MR/NMR imaging of a vessel while locally heating a portion of the vessel. More particularly featured are such devices, systems and methods for use when administering or delivering therapeutic agents including genes and/or drugs to the tissues of the vessel. Such a method includes positioning a thermal energy delivery device proximal a target site within the vessel of a body and activating the thermal energy delivery device so as to heat the target site thereby locally increasing a temperature of tissue at the target site. In further embodiments, the method includes introducing a therapeutic medium to the target site over a predetermined time period, and wherein said activating occurs at least one of before, during or after said step of introducing. | 08-28-2008 |
20080208035 | Device for superposed MRI and PET imaging - A device is disclosed for superposed magnetic resonance imaging and positron emission tomography imaging. The device includes a magnetic resonance imaging magnet which defines a longitudinal axis; a magnetic resonance imaging gradient coil arranged radially within the magnetic resonance imaging magnet; a magnetic resonance imaging RF coil arranged radially within the magnetic resonance imaging gradient coil; and a multiplicity of positron emission tomography detection units arranged in pairs opposite one another about the longitudinal axis. In at least one embodiment, the many positron emission tomography detection units are arranged radially within the magnetic resonance imaging gradient coil and can be inserted into the device and can be removed from the device along the longitudinal axis. In at least one embodiment, a carrier tube is provided having a multiplicity of pockets, which in each case extend along the longitudinal axis, for accommodating at least one positron emission tomography detection unit. | 08-28-2008 |
20080208036 | Combined radiation therapy and magnetic resonance unit - The invention relates to a combined radiation therapy and magnetic resonance unit. For this purpose, in accordance with the invention a combined radiation therapy and magnetic resonance unit is provided comprising a magnetic resonance diagnosis part with an interior, which is limited in radial direction by a main magnet, and a radiation therapy part for the irradiation of an irradiation area within the interior, wherein at least parts of the radiation therapy part, which comprise a beam deflection arrangement, are arranged within the interior. | 08-28-2008 |
20080214927 | Integrated Pet-Mri Scanner - One embodiment of the present invention provides an integrated PET-MRI scanner. This integrated scanner includes a main magnet that generates a magnetic field, wherein images of the subject is generated in a central region of the magnetic field. It also includes a PET scanner which is enclosed by the main magnet. The PET scanner further comprises: (1) at least one ring of scintillators, which is situated in the central region of the magnetic field and, (2) one or more photodetectors, which are coupled to the ring of scintillators, so that the one or more photodetectors are outside the central region of the magnetic field. The integrated scanner also includes radio-frequency (RF) coils which are enclosed by the PET scanner. By keeping the photodetectors and associated circuitry outside the central region of the magnetic field, the integrated scanner reduces the electromagnetic interference (EMI) between the PET scanner and the MRI scanner. | 09-04-2008 |
20080214928 | Method for Guiding Differential Diagnosis Through Information Maximization - A system and method for diagnosis and treatment decisions based on information maximization is disclosed. Utilizing patient information as well as clinical records from other patients can reduce the uncertainty in both diagnosis and treatment options. The information maximization may consider additional data such as risk, cost, and comfort in making a proper medical decision. | 09-04-2008 |
20080214929 | Method and device for imaging objects - A method for imaging objects is disclosed. In at least one embodiment, the method includes using a first and a second imaging method which differ at least in regard to the spatial resolution or sensitivity. Furthermore, in at least one embodiment, the method includes generating an overview image at least by the first or the second imaging method; simultaneously planning the measurement of the first and the second imaging method on the basis of the overview image; and simultaneously conducting the planned measurements of the first and the second imaging method. A device which conducts at least one embodiment of the method is also disclosed. | 09-04-2008 |
20080221430 | APPARATUS FOR MAGNETIC RESONANCE IMAGING - A magnetic resonance imaging (MRI) apparatus for high-speed and high-accuracy detection of cell positions labeled with magnetic nanoparticles. A transmitter coil is controlled to generate amplitude-modulated burst RF pulses as excitation RF pulses whose amplitude is modulated by a function that repeatedly inverts the polarity of multiple high-frequency magnetic field sub-pulses separated time-wise and changes the amplitude at each polarity inversion, moreover the time interval of the amplitude-modulated burst RF pulse is set to effectively 1/(2×a first frequency), and the transmitter coil controlled so the carrier frequency of the amplitude-modulated burst RF pulse is set to a second frequency shifted substantially from the first frequency of the magnetic resonance frequency of the proton at the magnetic field strength in the MRI apparatus. The first frequency is here determined based on magnetic nanoparticle information loaded from the magnetic nanoparticle information storage unit and the magnetic resonance frequency of the proton in the static magnetic field. The MRI apparatus can in this way detect the position of cells labeled with magnetic nanoparticles, with high-speed and high accuracy. | 09-11-2008 |
20080228063 | System and method for irradiating a target with electromagnetic radiation to produce a heated region - A system and corresponding method for irradiating a target with electromagnetic radiation to produce a heated region. The system comprises a coupling device operable to couple electromagnetic radiation from a magnetic resonance imaging system. A plurality of energy radiator applicators are connected to the coupling device to receive electromagnetic radiation energy from the coupling device. Each of the radiator applicators is operable to emit a radio frequency heating signal using the electromagnetic radiation energy from the coupling device. A bolus filled with a dielectric fluid is positioned within the inner area of the MRI system. The bolus is operable to receive the radio frequency heating signals from the plurality of energy radiator applicators and direct the radio frequency heating signals into a section of the body to produce a heated region within the body. | 09-18-2008 |
20080249396 | Method And Apparatus For Determining Indications Helping The Diagnosis Of Orthopedical Diseases - Apparatus for determining indications helping the diagnosis of orthopedic diseases comprising a section detecting and acquiring signals from a body under examination or from a part thereof wherein the detecting section is a unit detecting images by nuclear magnetic resonance and it is integrated in a section for processing acquired images as regards image data and/or resonance signals, which processing section defines, from image data and/or resonance signals, values of one or more different numerical parameters indicating the presence or absence of an orthopedic disease and/or a measure of the evolution condition of said orthopedic disease. | 10-09-2008 |
20080255444 | Novel needle driver for magnetic resonance elastography - The present invention is directed toward an acoustic, piezoelectric, electric, electro-mechanical or pneumatically driven surface drum driver, in mechanical engagement with a biopsy or acupuncture needle device and a method for its use for diagnosis of small e.g. 100 microns, tumors via the production of magnetic resonance elastographic images (MRE), without artifact production, in a magnetic resonance imaging (MRI) machine. In a second embodiment, the invention is directed toward an acoustically, pneumatically, piezoelectrically, electrically and/or electro-mechanically driven acupuncture needle, useful for simulating manual single-needle acupuncture treatments via a non-manually manipulated acupuncture needle; and further to a device and process for determination, using twin pneumatically driven surface drivers, of organ stiffness, e.g. brain stiffness, which can be quantified so as to be useful in elucidating and quantifying brain cognitive state, e.g. normal, mild cognitive impairment (MCI) or Alzheimer's dementia (AD). | 10-16-2008 |
20080269593 | Method of integrated proton beam and therapeutic magnetic resonance therapy - A method of therapeutic treatment including the steps of modulated application of a time domain radiation beam to a therapeutic target; and providing a time domain application of a modulated magnetic resonance (MR) signal to the therapeutic target during the periods of application out-of-phase with energy peaks of the radiation beam. | 10-30-2008 |
20080269594 | APPARATUS AND METHOD FOR IMAGE ALIGNMENT FOR COMBINED POSITRON EMISSION TOMOGRAPHY (PET) AND MAGNETIC RESONANCE IMAGING (MRI) SCANNER - A phantom and method are provided for co-registering a magnetic resonance image and a nuclear medical image. The phantom includes a first housing defining a first chamber configured to receive a magnetic resonance material upon which magnetic resonance imaging can be performed in order to produce the magnetic resonance image. The phantom also includes three or more second housings configured to be attached to the first housing, where the second housings each define a second chamber configured to receive a radioactive material upon which nuclear imaging can be performed in order to produce the nuclear medical image and upon which the magnetic imaging can be performed in order to produce the magnetic resonance image. The first chamber has a volumetric capacity that is larger than a volumetric capacity of each second chamber. | 10-30-2008 |
20080269595 | Mapping of Vascular Perfusion Territories - Techniques, systems computer program products are disclosed for mapping of vascular perfusion territories by placing one or more blood vessels of the vascular perfusion territories in a tag condition and others in a control condition by applying a train of pseudo-continuous radio frequency tagging pulses. In addition, an encoding scheme is applied to fully invert or relax the blood vessels of the vascular perfusion territories. Also, a tagging efficiency is measured for each blood vessel based on the applied encoding scheme. Further, the vascular perfusion territories are separated by using the measured tagging efficiency in a decoding process. | 10-30-2008 |
20080275330 | Mri Guided Ultrasound Therapy Apparatus - This invention provides a MRI guided ultrasound therapy apparatus. It comprises a static field magnet adapted to apply a static magnetic field in an magnetic resonance volume at a predetermined disposition; at least one ultrasound energy applicator adapted to apply energy within an energy application zone at a predetermined disposition; and The mechanical positioning means for moving said ultrasound energy applicator to position the applicator so that the energy application zone intersects said magnetic resonance volume within said region of the subject. In that apparatus, the static field magnet is open at both ends or open at side. The sided open is upward or downward and the mechanical positioning means of this ultrasound energy applicator is close to and is located outside of this sided open. This invention reduces the space limitation for the mechanical positioning means of the ultrasound transducer. Meanwhile, the non-magnetic requirement on the mechanical positioning means become less greatly and particularly the problem of interference from magnetic field produced by working current of the transducer power cord to MRI system can be solved. | 11-06-2008 |
20080275331 | DETECTING TEMPERATURE AND PROTEIN DENATURATION DURING THERMAL THERAPY - In one aspect, in general, a method is provided for detecting temperature and protein denaturation of a tissue during thermal therapy. The method includes generating a plurality of MR pulse sequences that include a first group of pulse sequences and a second group of pulse sequences, and receiving a plurality of response signals that include a first and second group of response signals in response to the first and second groups of pulse sequences, respectively. A first information associated with a degree of protein denaturation of the tissue is determined based on the first and second groups of response signals. A second information associated with a temperature of the tissue is determined based on at least some of the plurality of response signals. | 11-06-2008 |
20080287772 | Motion Compensation in PET Reconstruction - Method and apparatus motion compensation in Positron Emission Tomography (PET) imaging. PET and Magnetic Resonance Imaging (MRI) are performed simultaneously and the latter is used to determine motion of the subject during the acquisition process. The PET image data are then corrected according to the subject motion so determined. | 11-20-2008 |
20080312526 | HYBRID PET/MR IMAGING SYSTEMS - A hybrid imaging system includes a magnetic resonance scanner and a second modality imaging system disposed in the same radio frequency isolation space. The second modality imaging system includes radiation detectors configured to detect at least one of high energy particles and high energy photons. In some embodiments a retractable radio frequency screen is selectively extendible into a gap between the magnetic resonance scanner and the second modality imaging system. In some embodiments shim coils are disposed with the magnetic resonance scanner and are configured to compensate for distortion of the static magnetic field of the magnetic resonance scanner produced by proximity of the second modality imaging system. | 12-18-2008 |
20080319304 | Assessment of Vascular Compartment Volume for PET Modelling - A method is described for acquiring and analysing the data produced by Positron Emission Tomography (PET), which method provides for an accurate estimation of vascular compartment volume, V | 12-25-2008 |
20080319305 | Method for determining at least one pet parameter - A method is disclosed for determining at least one PET parameter for a PET examination in a combined magnetic resonance/PET scanner designed for isocentric measurement. In at least one embodiment, at least one acquisition time for the PET examination is determined as a PET parameter from magnetic resonance data, recorded for determining patient-specific examination parameters for a magnetic resonance examination, and/or from at least one patient-specific information value derived therefrom, and is displayed and/or used for controlling the scanner. | 12-25-2008 |
20090005671 | Combined positron emission tomography / magnetic resonance imaging apparatus - A combined positron emission tomography/magnetic resonance imaging apparatus for imaging organs of an examination object in an examination space is disclosed, including a positron emission tomography apparatus having at least one radiation detector, and a magnetic resonance imaging apparatus having at least one gradient coil and a radio-frequency antenna device. In order to prevent mechanical oscillations being induced in the PET gantry by the gradient coil, at least one embodiment of the combined position emission tomography/magnetic resonance imaging apparatus is developed further in that a first molding is provided, whose surface coincides with the inner shell of the at least one gradient coil, and a second molding is provided, whose surface coincides with the outer shell of the radiation detector, the distance between the two shells being virtually constant over the circumference of the shells, and a vacuum seal being arranged in each case along at least a first and a second circumferential line such that a closed cavity is formed between the vacuum seals. | 01-01-2009 |
20090012387 | ENCODING AND TRANSMISSION OF SIGNALS AS RF SIGNALS FOR DETECTION USING AN MR APPARATUS - The invention provides a novel way of handling electric or electromagnetic signals during magnetic resonance (MR) measurements. Non-MR data signals such as EPH signals (e.g. EEG, ECG, blood pressure, respiration) or subject responses (e.g. keystrokes, joystick movements) originating in the MR suite is recorded while performing magnetic resonance imaging or spectroscopy. Relatively simple, possibly battery driven hardware is used to transform the non-MR signals into radio waves detectable by the MR apparatus. The electrical signals are in this way encoded as artifacts appearing in the MR images or spectra outside the region of interest, and the encoded signals can subsequently be reconstructed from the signal recorded by the scanner If oversampling is employed, artifacts can be avoided altogether. The method inherently provides superior synchronisation between the sampling of non-MR data signals and the MR sequence. The invention minimises the need for costly special MR adapted equipment and can be applied with scanners for MR imaging as well as with NMR spectrometers. | 01-08-2009 |
20090024021 | Methods and Systems for Using Transcranial Magnetic Stimulation and Functional Brain Mapping for Examining Cortical Sensitivity, Brain Communication, and Effects of Medication - Transcranial magnetic stimulation is interleaved with functional brain imaging to examine cortex sensitivity and brain communication and to determine efficacy of medication. | 01-22-2009 |
20090030303 | AUDIENCE RESPONSE ANALYSIS USING SIMULTANEOUS ELECTROENCEPHALOGRAPHY (EEG) AND FUNCTIONAL MAGNETIC RESONANCE IMAGING (FMRI) - Neuro-response data including Electroencephalography (EEG), Functional Magnetic Resonance Imaging (fMRI) is filtered, analyzed, and combined to evaluate the effectiveness of stimulus materials such as marketing and entertainment materials. A data collection mechanism including multiple modalities such as, Electroencephalography (EEG), Functional Magnetic Resonance Imaging (fMRI), Electrooculography (EOG), Galvanic Skin Response (GSR), etc., collects response data from subjects exposed to marketing and entertainment stimuli. A data cleanser mechanism filters the response data and removes cross-modality interference. | 01-29-2009 |
20090030304 | Method for detecting a brain region with neurodegenerative change - A computerized method is disclosed for detecting a brain region with neurodegenerative change and also a brain region with vascular change in the brain of a patient and also an imaging arrangement suitable for this. In at least one embodiment, the method includes recording a first data record of the brain via positron emission tomography and a second data record of the brain via magnetic resonance imaging; reconstructing a PET image from the first data record and an MRI image from the second data record; identifying evidence for a brain region with vascular change in the MRI image; segmenting the MRI image into gray matter and white matter; identifying a brain region with neurodegenerative change in the PET image; and superposing the PET image and the segmented MRI image to determine whether the brain region with neurodegenerative change is present in gray matter or in white matter, the recording of the first data record and the second data record being carried out in quick succession without repositioning the patient or is even carried out simultaneously. | 01-29-2009 |
20090043189 | Mobile combined MRI/PET apparatus - A combined positron emission tomography/magnetic resonance imaging apparatus, in a trailer housing is disclosed, for imaging organs of an examination object in an examination space. In at least one embodiment, the positron emission tomography/magnetic resonance imaging apparatus includes a positron emission tomography apparatus with at least one radiation detector and a magnetic resonance imaging apparatus with at least one main magnetic field coil for generating a main magnetic field, at least one gradient coil for generating a magnetic gradient field, and a radio-frequency antenna device for transmitting excitation pulses and receiving magnetic resonance signals from the examination space, the radiation detector and the at least one gradient coil being arranged coaxially and at substantially the same axial height. In order to create a mobile MRI/PET apparatus which is designed as compactly as possible and, firstly, satisfies the radiation protection requirements for protecting the surroundings of the measurement apparatus to the best possible extent and, secondly, excludes interfering environmental influences on the measurement apparatus, a shielding arrangement with at least one shielding element for attenuating the main magnetic field and the gradient field and also the annihilation radiation outside the trailer housing is provided in at least one embodiment. | 02-12-2009 |
20090048506 | METHOD AND SYSTEM FOR ASSESSING BRAIN FUNCTION USING FUNCTIONAL MAGNETIC RESONANCE IMAGING - A system for assessing brain functioning uses neuropsychological assessments which are performed while a patient is within an fMRI scanning environment and while scanning is in process to detect the BOLD signals within the patient's brain. The system may be used to detect brain impairment and injuries which do not present tissue damage detectable using previous methods. | 02-19-2009 |
20090048507 | Method and apparatus for imaging functional and electrical activities of the brain - A method and an apparatus for imaging functional and electrical activities of the brain are disclosed. In order to allow improved relative positional determination of the epileptogenic focus with reference to the EEG electrodes, a positron emission tomography measurement using at least one radiation detector, and a magnetic resonance imaging measurement using at least one coil for generating a basic magnetic field, at least one gradient coil and a radio-frequency antenna device are undertaken in at least one embodiment. In addition, in at least one embodiment an electroencephalography measurement using a plurality of electrodes for acquiring spatial and temporal changes of the electrical activities of the brain and a computed tomography measurement using at least one x-ray source and at least one x-ray detector are carried out. By way of an evaluation apparatus in at least one embodiment, a spatial correlation between the computed tomography measurement and the magnetic resonance imaging measurement is undertaken, so as to result in registration between the electroencephalography measurement and the positron emission tomography measurement. | 02-19-2009 |
20090069667 | DEVICE FOR POSITIONING AN ULTRASOUND TRANSDUCER INSIDE A MR SCANNER | 03-12-2009 |
20090076375 | Myocardial tissue ablation device for treatment of cardiac arrhythmias by ablation of myocardial tissue in a patient as well as associated catheter and associated method - The invention relates to a myocardial tissue ablation device for treatment of cardiac arrhythmias by ablation of myocardial tissue in a patient, with the myocardial tissue ablation device featuring a catheter which is embodied as an integrated unit with at least one myocardial ablation means and at least one imaging element based on optical coherence tomography and/or intravascular magnetic resonance imaging. | 03-19-2009 |
20090082659 | MEDICAL EXAMINATION APPARATUS - The invention relates to a medical examination apparatus, in particular an MR apparatus. Known MR apparatus have a cavity for accommodating the patient to be examined that offers only a limited space for the patient. The limited space may lead to claustrophobic reactions jeopardizing the result of a measurement. According to the invention a mirror ( | 03-26-2009 |
20090082660 | CLINICAL WORKFLOW FOR TREATMENT OF ATRIAL FIBRULATION BY ABLATION USING 3D VISUALIZATION OF PULMONARY VEIN ANTRUM IN 2D FLUOROSCOPIC IMAGES - A system and method of treatment of a patient in a catheterization laboratory is described. A three dimensional (3D) voxel data set of the patient is obtained using a computed tomography device. The data is displayed in a multiplanar slice format, or as a segmented 3D image, and a particular bodily structure identified. The identified structure coordinates are registered, if necessary, with respect to the patient when the patient is positioned for obtaining real-time fluoroscopic images during the treatment, and the bodily structure information is superimposed on the displayed fluoroscopic image. The treatment may be, for example, an electrophysiological (EP) ablation procedure for atrial fibrulation. | 03-26-2009 |
20090088623 | MOTION COMPENSATED IMAGE-GUIDED FOCUSED ULTRASOUND THERAPY SYSTEM - An image-guide therapy system comprises a thermal treatment device (e.g., an ultrasound transducer) configured for transmitting a therapeutic energy beam, and The system further comprises an imaging device (e.g., a magnetic resonant imaging (MRI) device) configured for acquiring images of the target tissue mass and the thermal treatment device. The system further comprises a controller configured for controlling thermal dose properties of the thermal treatment device to focus the energy beam on a target tissue mass located in an internal body region of a patient, and a processor configured for tracking respective positions of the thermal treatment device and the target tissue mass in a common coordinate system based on the acquired images. The system may optionally comprise a display configured for displaying the acquired images. | 04-02-2009 |
20090088624 | Methods and Apparatus for Diagnosing and Treating Aneurysms - A method of developing a diagnosis and prognosis for an aneurysm in order to determine a procedure for treating the aneurysm. The method includes determining a first diameter of a blood vessel at a first location proximal to an aneurysm, and determining a second diameter of the blood vessel at a second location. The second location incorporates at least a portion of the aneurysm. Next, the ratio of the second diameter to the first diameter is calculated. And, a prognosis of the aneurysm, and a determination of the treatment for the aneurysm, may then be determined based on the ratio. | 04-02-2009 |
20090088625 | Photonic Based Non-Invasive Surgery System That Includes Automated Cell Control and Eradication Via Pre-Calculated Feed-Forward Control Plus Image Feedback Control For Targeted Energy Delivery - A photonic based non-invasive surgery system that includes an imaging device such as an MRI device and at least two beam generators for generating beams of energy for delivery to a target in the person's body, where the beams of energy intersect at a point. The system also includes a feed-forward control for precalculating anticipated deflections and resulting pathways as the beams of energy travel throughout the person's body, and a feedback control to obtain and use information gathered by the imaging device. | 04-02-2009 |
20090093708 | MRI guided high-intensity focused ultrasonic therapeutic system - A MRI guided high-intensity focused ultrasonic therapeutic system comprises: a MRI apparatus and a high-intensity focused ultrasonic therapeutic apparatus. Said MRI apparatus includes the first treatment bed and said high-intensity focused ultrasonic therapeutic apparatus includes an ultrasound transducer and a moving and positioning means, which drives said transducer to move in respective directions. Wherein, said moving and positioning means is placed outside of the bore of the MRI apparatus during treatment and a supporting rod, which can extend into the bore of the MRI apparatus, is connected to said moving and positioning means at one end and is connected to said ultrasound transducer at the other end. In the system provided by the present invention, said ultrasound transducer can move in multiple orientations, freely move without any limitation of space under the treatment bed, brings less interference to the MRI apparatus, fully exerts the function and efficiency of the MRI apparatus and achieves the best therapeutic effects. | 04-09-2009 |
20090093709 | Noise reduction system and methods for magnetic resonance imaging - In one aspect, a method for noise reduction in parallel magnetic resonance (MR) imaging using a plurality of radio frequency (RF) coils is provided. The method comprises performing a first MR scan of a target to obtain first MR data, performing a second MR scan of the target to obtain second MR data, the second MR data obtained from operating the plurality of coils substantially in parallel, computing a noise estimate associated with the second MR data based at least in part on the first and second MR data, and obtaining a noise-reduced image based at least in part on the second MR data and the noise estimate. | 04-09-2009 |
20090093710 | Optically coupled readout front-end for imaging system - A front end for an imaging system. The front end comprises at least one magnetically-insensitive high-energy photon detector and an interface for converting an output of the at least one high-energy photon detector to an optical signal and transmitting the optical signal. A receiver is optically coupled to the interface to receive the optical signal and convert the optical signal into a voltage signal. | 04-09-2009 |
20090105580 | CHOOSING VARIABLES IN TISSUE VELOCITY IMAGING - The invention provides methods and systems for reducing noise in myocardial tissue velocity imaging such as ultrasound Doppler imaging or MRI. By adjusting recording factors and choosing apparatus settings and/or image analysis parameters in a systematic and consistent way, the quality of e.g. strain or strain rate imaging can be drastically improved. The invention reduces the noise by choosing values of variables, which lead to reduced or minimal beat-to-beat (BBV) variations in the imaged quantity such as average velocity, strain, strain rate or displacement or time derivatives of these. | 04-23-2009 |
20090105581 | ULTRASOUND IN MAGNETIC SPATIAL IMAGING APPARATUS - The present invention provides apparatus and methods for acquiring ultrasound measurements representing biosignals from a subject located in the strong magnetic field of a spatial imaging device. The invention includes ultrasound probes having minimal magnetic parts and an ultrasound signal pre-amplifier being shielded by a barrier or barriers from the strong magnetic field of a spatial imaging device such as an MRI, PET, or CT scanner. Most preferably, the ultrasound probe produces ultrasound waves in the frequency range of approximately 2.0 MHz to 2.5 MHz. The ultrasound probe may include no electronic components and contains minimal magnetic or ferromagnetic parts. The elements for acquiring and analysing ultrasound waves may be located in separate rooms from the imaging device. The invention provides a method of taking ultrasound measurements in quick succession with measurements of a spatial imaging device to provide a more informative understanding of the physiology of the subject. | 04-23-2009 |
20090112082 | IMAGING DEVICE FOR MRI-GUIDED MEDICAL INTERVENTIONAL SYSTEMS - An MRI-guided interventional system includes a head support apparatus for engaging and securing the head of a patient, and a targeting frame configured to be secured to the body of a patient. The targeting frame includes a cooperating targeting cannula that is configured to guide placement of an interventional device through a burr hole in a patient's skull in vivo. The system includes an MRI-compatible camera positioned proximate to the head support apparatus, and an MRI-compatible imaging device having one end attached to the targeting frame to provide a local field of view of the burr hole, and an opposite end in communication with the camera. The system also includes a display output module coupled to the camera for receiving electrical signals therefrom and for displaying images corresponding thereto. | 04-30-2009 |
20090118609 | Method and system for performing ablation to treat ventricular tachycardia - A system and method of treating tachycardias and similar syndromes by the use of catheter ablation of tissue is described. A computed tomography (CT)-like image of the heart is obtained and processed to segment the various types of tissue. Papillary muscle areas are identified and displayed differently from the other nearby tissues so that the muscles can be avoided during treatment to avoid or minimize damage to the muscles during ablation treatment. Electrophysical data and scar tissue may also be identified in the image, which may be of the endoscopic type. The position of the catheter may be displayed as a synthetic image on the endoscopic view. | 05-07-2009 |
20090124887 | DEVICE FOR RADIATION THERAPY UNDER IMAGE MONITORING - A device for radiation therapy implemented with image monitoring has a magnetic resonance device and an exposure device. The magnetic resonance device has a magnet and primarily serves for image monitoring an examination object of a patient in an examination volume of the magnetic resonance device. The exposure is fashioned to be static and serves to expose the examination subject in the examination volume with therapeutic beams. The patient (and therefore the examination subject) are supported by a patient positioning device such that the examination subject can be moved relative to the magnetic resonance device and the exposure device around at least one rotation axis. | 05-14-2009 |
20090131782 | Device for Heat Treating Moving Biological Tissues and Related Method - This invention concerns a device for heat treating a moving target area of biological tissues, comprising calculation means ( | 05-21-2009 |
20090149735 | INTEGRATED EXTERNAL BEAM RADIOTHERAPY AND MRI SYSTEM - A radiation therapy system comprises a radiation source generating a beam of radiation and a magnetic resonance imaging apparatus. An interface acts between the radiation source and the MRI apparatus that permits irradiation to be performed simultaneously with imaging. The MRI apparatus and radiation source are coupled such that the system can be used in a rotation mode whereby the radiation source can irradiate a subject from basically any angle without reducing MRI image quality. | 06-11-2009 |
20090171184 | MRI SURGICAL SYSTEMS FOR REAL-TIME VISUALIZATIONS USING MRI IMAGE DATA AND PREDEFINED DATA OF SURGICAL TOOLS - MRI-Surgical systems include: (a) at least one MRI-compatible surgical tool; (b) a circuit adapted to communicate with an MRI scanner; and (c) at least one display in communication with the circuit. The circuit electronically recognizes predefined physical characteristics of the at least one tool to automatically segment MR image data provided by the MRI scanner whereby the at least one tool constitutes a point of interface with the system. The circuit is configured to provide a User Interface that defines workflow progression for an MRI-guided surgical procedure and allows a user to select steps in the workflow, and wherein the circuit is configured to generate multi-dimensional visualizations using the predefined data of the at least one tool and data from MRI images of the patient in substantially real time during the surgical procedure. | 07-02-2009 |
20090171185 | POSITIONING SYSTEM FOR THERMAL THERAPY - Systems and methods are provided for positioning a therapeutic device relative to a target displaced on a platform. A base member has a first track extending along a length of the platform for defining a first pathway for translating the therapeutic device relative to the target. A curved frame is slidably mounted on the base member through the first track. The curved frame has a second track along an interior wall of the curved frame for defining a second pathway for translating the therapeutic device relative to the target. A housing is disposed in the second track of the curved frame and configured to receive the therapeutic device. The housing is extendible at least along a radial direction of the curved frame for defining a third pathway for translating the therapeutic device relative to the target. Applications of the systems and methods may include image-guided thermal therapy. | 07-02-2009 |
20090192383 | METHOD AND DEVICE FOR OBTAINING INFORMATION ABOUT A MAMMALIAN BODY - This invention relates to a device for retrieving information about one or more states of a mammalian body comprising: (a) a magnetic resonance imaging device comprising a first set of one or more radio-frequency coils for measuring the body temperature Ti at a selected location of a mammalian body, (b) a local heating means including a second set of one or more radio-frequency coils, said second set comprising at least two channels for delivering focused radio frequency energy to said selected location of said mammalian body and raising the temperature Ti thereof, and (c) means for modulating said radio-frequency energy delivered by said second set of coils as a function of said temperature Ti in order to reach and maintain a predefined temperature Tp above the normal mammalian body temperature Tb. | 07-30-2009 |
20090209844 | PATIENT BED FOR PET/MR IMAGING SYSTEMS - A hybrid imaging system and a patient bed for same are disclosed. The hybrid imaging system includes a magnetic resonance scanner and a second modality imaging system spaced apart from the magnetic resonance scanner by a gap. In some embodiments, the gap is less than seven meters. The patient bed is disposed at least partially in the gap between the magnetic resonance scanner and the second modality imaging system, and includes a linearly translatable patient support pallet aligned to be selectively moved into an examination region of the magnetic resonance scanner for magnetic resonance imaging and into an examination region of the second modality imaging system for second modality imaging. In some embodiments, a linear translation range of the linearly translatable pallet is less than five times a length of the patient support pallet along the direction of linear translation. | 08-20-2009 |
20090209845 | METHOD TO OPTIMIZE INTERACTIVE PRODUCTS BASED ON THEIR FUNCTIONAL NEURAL IMPACT - Described herein are methods of optimizing an interactive media (e.g., a videogame) based on a brain activity criterion, as well as interactive media optimized or incorporating these methods. Brain activity may be measured using imaging techniques, such as an fMRI image of neural activity taken while a subject is using the technology. The optimization may be used to help the interactive media evoke desired behaviors or attitudes in subjects who have used the interactive media. For example, the interactive media described herein may be optimized to help facilitate behaviors or attitudes that are conducive to medical therapies, including compliance with medical treatments. | 08-20-2009 |
20090216109 | MRI Compatible Vascular Occlusive Devices and Related Methods of Treatment and Methods of Monitoring Implanted Devices - Implantable aneurysm-sac treatment devices include an implantable coil body configured and sized to reside in a sac of an aneurysm. The body has an inductance and capacitance. The capacitance is selected so that the coil resonates at a Larmor frequency of a predefined magnetic field strength. | 08-27-2009 |
20090221902 | Ultrasound Treatment Center - Methods and apparatus for non-invasive patient treatment using ultrasound are disclosed. One method comprises administering to a patient a therapeutic agent, transmitting ultrasound and directing the ultrasonic energy at a region of interest of a patient, monitoring cavitation in and around the region of interest in real time, and controlling the ultrasonic transmitting device, based on the monitored cavitation, so that the ultrasonic energy is focused at the region of interest. Another method comprises determining the position of a region of interest in terms of spatial coordinates, storing or calculating an expected effect of therapeutic ultrasound on the region of interest, focusing ultrasound energy on the region of interest based on the spatial coordinates, measuring the effect of the ultrasound energy on the region of interest, comparing the measured effect with the stored or calculated effect, and providing an output of the comparison. | 09-03-2009 |
20090221903 | Magnetic resonance device having a pet unit - In a magnetic resonance device having a PET unit for acquiring positron emission tomography data and a gradient coil, the PET unit includes a carrier tube on which at least one PET detector is arranged. In at least one embodiment, the carrier tube is arranged inside the gradient coil and is displaceably mounted in such a way that access to the PET detector is made possible by its displacement. This allows easy access to the PET detector during maintenance activities. | 09-03-2009 |
20090234219 | Particle Radiation Therapy Equipment - Particle radiation therapy equipment arranged to apply a charged particle beam to a region of application in a predetermined direction, comprising a charged particle beam source arranged to direct a charged particle beam in the predetermined direction, further comprising magnetic field generation means for generating a magnetic field in an imaging volume which includes the region of application at the same time that the charged particle beam is applied, wherein the magnetic field generation means is arranged to provide access to the region of application for the charged particle beam, and to provide a homogeneous magnetic field in the region of application of the charged particle beam, said magnetic field being directed substantially in the predetermined direction. | 09-17-2009 |
20090234220 | Catheter and associated medical examination and treatment device - A catheter for treatment of the heart with a flexible catheter sheath surrounding a catheter lumen and with an apparatus for implanting cell material, which comprises an injection apparatus arranged in an area of the catheter tip, is to be created such that the risk of such an intervention is reduced in relation to previously known and practiced concepts. To this end there is inventive provision for at least one imaging sensor to be arranged in the area of the catheter tip. | 09-17-2009 |
20090240137 | Diagnostic Imaging Method - A method of identifying injury to soft connective tissues in complicated body joints deploys use of motion x-ray images as the joint moves to identify suspected abnormal pathology followed by Dynamic Upright MRI images of the joint under conditions that express the abnormal pathology. The Dynamic Upright MRI parameters are based on the suspected pathology. The method is particularly useful in detecting disco/ligamentous and other injuries that often times will not be visualized on conventional recumbent MRI, or static x-rays. | 09-24-2009 |
20090247859 | METHOD AND APPARATUS FOR MR-GUIDED BIOPSY - The subject invention pertains to a method and apparatus for MR-guided biopsy. The subject invention can be applied to, for example, prostate biopsy. In a specific embodiment, the subject invention can provide a mechanical tool for stabilizing the patient in prone position and to guide a biopsy needle into defined targeted lesions in the prostate gland. The patient can lay prone in the MRI. The subject apparatus can guide an MR-visible, sterile needle sleeve, which can have a hollow tube filled with contrast media, through the anus onto the inner wall of the colon. Due to the visibility of the contrast media in the sleeve, the apparatus can be guided to the exact position. The sleeve can incorporate a tube within the contrast media filled sleeve to insert the biopsy needle and to push this needle forward into the prostate. The subject apparatus can utilize various mechanical means to stereotactically move the needle or needle sleeve in various directions. | 10-01-2009 |
20090253980 | METHOD AND APPARATUS FOR DETERMINING THE EFFECTIVENESS OF AN IMAGE TRANSFORMATION PROCESS - A method for determining the effectiveness of an image transformation process includes acquiring a four-dimensional (4D) image data set, sorting the 4D image data set into separate field-of-view bins using a temporal gating system generating a plurality of deformation vectors using the sorted 4D image data set, and using the plurality of deformation vectors to generate a transformation effectiveness value that is representative of the effectiveness of the image transformation process. The method further includes acquiring a respiratory signal, calculating a power spectrum of the respiratory signal, calculating a power spectrum for each of the plurality of deformation vectors, and comparing the power spectrum of the respiratory signal to the power spectrum of the plurality of deformation vectors to generate the transformation effectiveness value. | 10-08-2009 |
20090259122 | DEVICE AND METHOD FOR MRI-GUIDED BREAST INTERVENTIONS - A method and apparatus for radially compressing bodily tissue and performing medical procedures from a selected one of a plurality of circumferential positions and angles, a selected one of a plurality of different elevations and elevational angles. Some embodiments include a tissue-compression fixture having members that are configured to be moved to radially compress bodily tissue such that each of a plurality of areas of biological tissue are exposed between the plurality of members, and wherein the fixture is compatible with use in an MRI machine in operation; an actuator having a receiver for a medical-procedure probe; and a computer system operatively coupled to the actuator to move the probe. The computer receives user commands, and based on the commands, moves the actuator to a selected one of a plurality of different positions around the tissue-compression fixture and then extends the probe into the patient. | 10-15-2009 |
20090264730 | MAGNETIC RESONANCE IMAGING (MRI) GUIDED ABLATION - Systems, methods, and other embodiments associated with tracking an ablative device and monitoring an ablation produced by the ablative device are described. One example method includes acquiring a magnetic resonance (MR) image of an ablative device inserted in a body and selectively controlling positioning of the ablative device based, at least in part on the MR image. The MR image may be continuously provided in real-time by an interventional MR imaging apparatus programmed to image using a tri-orthogonal plane sequence. The method may also include acquiring an MR image of an ablation performed by the ablative device, and selectively controlling the ablative device based, at least in part, on the MR image. The MR image may also be provided by the IMRI apparatus operating according to a tri-orthogonal plane sequence. In one example, the ablation may treat hypopharyngeal obstructive sleep apnea by reducing tongue base volume. | 10-22-2009 |
20090270713 | NON-LINEAR SIGNAL SEPARATION METHOD USING NON-LINEAR STATE SPACE PROJECTION METHOD - There is provided a non-linear signal separation method using the non-linear state space projection method capable of separating an effective non-linear signal even if the S/N ratio is low by performing the time domain high speed non-linear state space projection when a signal is a multi-channel signal and has a periodicity. In the non-linear signal separation method using the non-linear state space projection method, an original signal having a complex signal which is a multi-channel and cyclic signal measured from one phenomenon is processed by using the time domain high-speed non-linear state space projection method so as to estimate a noise in the original signal and subtract the estimated noise from the original signal, thereby separating the signal to be measured in the original signal as a non-linear signal even when the S/N ratio is low. | 10-29-2009 |
20090270714 | Device to Treat Chronic Total Occlusions Using Energy Imparted By External Imaging - A visualization and treatment system for treating a chronic total occlusion. The system includes an elongated member configured to be tracked to the chronic total occlusion. The elongated member has a transducer located at a distal end of the elongated member. The transducer is constructed and arranged to convert a first form of energy into a second form of energy to treat the chronic total occlusion. The system also includes an external imaging system constructed and arranged to create an image of the chronic total occlusion and to provide the first form of energy to the transducer. | 10-29-2009 |
20090270715 | Correction method and magnetic resonance device - The invention relates to a correction method for correcting interference due to gradient injections in ECG signal data records recorded in a magnetic resonance device by an ECG measuring device. A first correction data record is determined with the ECG measuring device located in a first position. A second correction data record is determined by the ECG measuring device located in a second position. An ECG signal data record is measured by the ECG measuring device located in a defined position. A modified correction data record is defined as a function of the first correction data record and the second correction data record and the first and second position and the defined position of the ECG measuring device. The ECG signal data record is corrected based on the modified correction data record. | 10-29-2009 |
20090270716 | Correction method and magnetic resonance device - The invention relates to a correction method for correction of noise resulting from gradient artifacts in ECG signal data records recorded in a magnetic resonance device by an ECG measuring apparatus. A first correction data record is determined with a reference point of the ECG measuring apparatus located at a first position in the magnetic resonance device. An ECG signal data record is measured with the reference point of the ECG measuring apparatus located at a second position in the magnetic resonance device. A modified correction data record is specified as a function of the first correction data record and the first and second position of the reference point. The ECG signal data record is corrected based on the modified correction data record. | 10-29-2009 |
20090270717 | APPARATUS AND METHOD FOR DIAGNOSIS OF OPTICALLY IDENTIFIABLE OPHTHALMIC CONDITIONS - An apparatus that can discriminate various conditions of neurological health of a medical subject. The apparatus and method use the Frequency Doubling Technique to obtain data that is indicative of a state of health of a person being tested. Correlations to features such as for patterns of loss such as point-wise loss, peripheral vs. central loss, pattern standard deviation, mean deviation, and time to complete the test can be used to identify the condition of the person. The apparatus and method thereby provide guidance as to the presence of a medical condition in a patient. The apparatus and method can be used in an iterative measurement process, in which the apparatus attempts to discern normal health from a state of health that is not normal health. | 10-29-2009 |
20090270718 | DUAL-MODALITY IMAGING - The invention relates to a dual-modality imaging system and a method for dual-modality imaging of an imaged object, wherein a magnetic resonance imaging (MRI) apparatus for acquiring MRI data and at least one optical imaging detector for acquiring optical imaging data are arranged to acquire the MRI data and the optical imaging data of the imaged object ( | 10-29-2009 |
20090299170 | Magnetic resonance scanner with PET unit - A magnetic resonance scanner including a PET unit includes a magnet system and a gradient system having a patient bore. In at least one embodiment, the magnet system and the gradient system are each split by an azimuthal gap and the PET unit is disposed within the gap. | 12-03-2009 |
20090306494 | SYSTEM FOR MAGNETIC RESONANCE AND X-RAY IMAGING - A patient table for a common imaging system including Magnetic Resonance and X-Ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a patient support portion cantilevered from the base and a mattress. A safety system is provided for controlling the operation of the magnet and MR system and the X-Ray systems to allow effective safe operation and controls the movement of the magnet to the table and the movement of the X-Ray imaging systems to and from the table to locations where they do not interfere with the MR imaging. | 12-10-2009 |
20090326362 | REGISTRATION OF MULTI-MODALITY IMAGES - A system for generating registered diagnostic images ( | 12-31-2009 |
20090326363 | FUSED IMAGE MODALITIES GUIDANCE - An improved system and method (i.e. utility) for registration of medical images is provided. The utility registers a previously obtained volume onto an ultrasound volume during an ultrasound procedure to produce a multimodal image. The multimodal image may be used to guide a medical procedure, In one arrangement, the multimodal image includes MRI and/or MRSI information presented in the framework of a TRUS image during a TRUS procedure. | 12-31-2009 |
20090326364 | MRI compatible robot with calibration phantom and phantom - A medical robot for use inside an MRI includes a horizontal motion assembly, a vertical motion assembly and a controller. The horizontal motion assembly and the vertical assembly each includes a motion joint, an ultrasonic motor operably connected to the motion joint and an encoder operably connected to the ultrasonic motor. The motor and encoder are positioned proximate to the joint of the respective horizontal motion assembly and vertical motion assembly. Each motor has a cross section positioned in one of the axial and sagittal plane of the MRI. A medical instrument assembly is operably connectable to one of the moving joint of the vertical motion assembly. The controller is operably connected to the horizontal motion joint and the vertical motion joint and it is adapted to be powered off when the magnetic resonance imager is being used to collect images. | 12-31-2009 |
20090326365 | Medical robot for use in a MRI - A medical robot for use inside a magnetic resonance imager includes a horizontal motion assembly, a vertical motion assembly and a controller. The horizontal motion assembly includes a motion joint, an ultrasonic motor operably connected to the motion joint and an encoder operably connected to the ultrasonic motor. The motor and encoder are positioned proximate to the joint of the horizontal motion assembly. The vertical motion assembly is operably connected to the horizontal motion assembly and it includes a motion joint, an ultrasonic motor operably connected to the motion joint and an encoder operably connected to the ultrasonic motor. The motor and encoder are positioned proximate to the joint of the vertical motion assembly. The controller is operably connected thereto and is adapted to be powered off when the magnetic resonance imager is being used to collect images. A medical instrument assembly is connectable to the medical robot. | 12-31-2009 |
20090326366 | METHOD FOR VISUALLY MONITORING AN IRREVERSIBLE ELECTROPORATION TREATMENT, AND MAGNETIC RESONANCE IMAGING APPARATUS WITH INTEGRATED ELECTROPORATION TREATMENT DEVICE - In a method for implementing an irreversible electroporation treatment with an electroporation device having at least two treatment electrodes, magnetic resonance exposures are acquired for visual monitoring of the treatment, and magnetic resonance-compatible electrodes are used as treatment electrodes. A magnetic resonance imaging apparatus has an electroporation device integrated therein, so as to be operable by co-use of at least some of the same components that arte used for image data acquisition. | 12-31-2009 |
20100004528 | INTERVENTIONAL DEVICE FOR RF ABLATION FOR USE IN RF FIELDS - A interventional device for RF ablation for use in a RF electrical and/or magnetic field especially of a MR imaging system is disclosed, comprising an ablation catheter which is preferably trackable or can be guided or visualized in the image generated by the MR imaging system by means of a MR micro-coil ( | 01-07-2010 |
20100010337 | Combined PET/MRI device, component and local coil - A combined PET/MRI device is disclosed. In at least one embodiment, the PET/MRI device includes an MRI unit for exciting nuclear spins in an examination volume and for receiving signals generated by the excitation in the examination volume, and a PET unit with a detector which surrounds the examination volume at least in part and is used for detecting radiation emanating from the examination volume, with, firstly, damping of the radiation emitted by the examination volume and, secondly, undesired interactions with electromagnetic fields of the MRI unit on the components of the PET/MRI device arranged between the examination volume and the detector being avoided due to the material properties and/or structural design of the components. Corresponding components such as, for example, patient couches, bearing or support apparatuses and local coils, are both MRI and PET compatible. | 01-14-2010 |
20100016707 | IMAGING SYSTEM - A medical diagnostic system, the system comprising: | 01-21-2010 |
20100022867 | MAGNETIC RESONANCE IMAGING APPARATUS - With a view to attaining a high quality of a diagnostic image there is provided a magnetic resonance imaging apparatus wherein an image is formed on the basis of magnetic resonance signals received from a subject with an electromagnetic wave transmitted thereto in a static magnetic field. The magnetic resonance imaging apparatus is provided with plural receiving coil units for receiving the magnetic resonance signals, the receiving coil units each comprising a coil body configured to receive a corresponding one of the magnetic resonance signals and output an electrical signal and an optical modulator configured to use an electric field of the electric signal outputted from the coil body directly as a modulation signal. | 01-28-2010 |
20100022868 | ACTIVE MRI COMPATIBLE AND VISIBLE iMRI CATHETER - A catheter for use with magnetic resonance imaging including a catheter body, a radio frequency antenna disposed in a distal end of the catheter body, a first ultrasonic transducer disposed in the distal end of the catheter body and being electrically connected to the radio frequency antenna, an acoustic waveguide disposed in the catheter body and extending from the distal end to a proximal end of the catheter body, the acoustic waveguide being acoustically matched to the first ultrasonic transducer. The catheter also has a second ultrasonic transducer disposed in the proximal end of the catheter body. | 01-28-2010 |
20100036236 | METHOD OF INTERFACING A DETACHABLE DISPLAY SYSTEM TO A BASE UNIT FOR USE IN MRI - A base unit operable with a wireless patient monitoring unit used to acquire physiological data during an MRI examination is constructed to have a detachable display unit. The detachable display unit wirelessly communicates with the base unit when in a roving mode. The detachable display unit may also have a magnetically-hardened power supply that does not saturate during an MRI examination. Such a magnetically-hardened power supply allows the display unit to operate when proximate or in the magnetic field generated by an MRI machine during an MRI examination. | 02-11-2010 |
20100036237 | DETECTOR UNIT FOR ARRANGEMENT WITHIN A FIELD GENERATING UNIT OF AN MR DEVICE - A detector unit for arrangement in a field generating unit of a magnetic resonance device has an RF transmission/reception system for transmitting RF pulses into, or receiving magnetic resonance signals from, an examination volume of the field generation unit. The RF transmission/reception system surrounds a patient tunnel at a radial distance from a tunnel axis thereof, and is divided into two sub-systems located at a distance from each other along the direction of the tunnel axis, so as to form a substantially annular cavity or interstice therebetween. | 02-11-2010 |
20100041979 | INTERVENTIONAL IMMOBILIZATION DEVICE - Interventional immobilization devices used to immobilize a body part and then, during a medical procedure, orient a medical device to treat located tissue within the body part are provided. The devices are designed to immobilize body tissue while preserving, or substantially preserving, the three-dimensional or volumetric integrity of the immobilized tissue. The device enables real time (RT) imaging-guided interventional (IGI) capabilities when the devices are coupled with medical imaging systems, such as magnetic resonance imaging (MRI) systems. | 02-18-2010 |
20100049030 | MRI GUIDED RADIATION THERAPY - Radiation therapy of a lesion within a patient is guided to take into account movement of the lesion caused by respiration and/or cardiac effects by using MRI to image the patient while on the treatment support to obtain a series of images of a location of the lesion within the patient while obtaining data relating to respiration and/or cardiac function of the patient to generate lesion movement data as a function of respiration and/or cardiac function. After the magnet is removed from the bunker, during the radiation therapy, real time data relating to respiration and/or cardiac function of the patient is used to guide the radiation therapy using the lesion movement data obtained during the imaging. | 02-25-2010 |
20100049031 | Non-Thermal Ablation System for Treating BPH and Other Growths - Systems and methods for non-thermal ablation of tissue are provided. A non-implantable minimally invasive system for treatment of tissue in a body via direct current ablation is provided including a catheter, a plurality of electrodes for deployment through the catheter, a power source for applying power to the electrodes, and a fixation element for maintaining the catheter in a treatment position during treatment of the tissue. A minimally invasive method for treating tissue in a body via direct current ablation is provided including inserting a catheter into the body such that a portion of the catheter remains outside of the body, deploying a fixation element to fix the catheter in a treatment position, deploying a plurality of electrodes through the catheter, applying power to the plurality of electrodes, using the electrodes to apply a current to the tissue, and removing the catheter from the body. | 02-25-2010 |
20100056898 | Objective Methods of Estimating Age of Animals and Carcasses - An age of an animal or animal carcass is estimated using a measurement or measurements of physical properties of the animal or carcass. A correlation between at least one physical property or characteristic and the animal's age is determined. A measurement of the at least one physical property or characteristic is made using non-invasive technology. An estimated age is then determined comparing the measured at least one property to the correlation of property and age. | 03-04-2010 |
20100056899 | METHOD AND APPARATUS FOR MULTIMODAL IMAGING - The apparatus and imaging method of the present invention incorporates and permits the use of a single technology to combine MR, SPECT and PET in awake animal imaging studies. | 03-04-2010 |
20100063381 | METHOD FOR DETERMINING AN ITEM OF POSITIONING INFORMATION FOR ECG ELECTRODES DURING AN EXAMINATION WITH A MAGNETIC RESONANCE FACILITY AND MAGNETIC RESONANCE FACILITY - A method for determining an item of positioning information for ECG electrodes during an examination with a magnetic resonance facility is provided. An image data record of a region surrounding the heart of a patient and the electrodes arranged on the surface of the patient is recorded. A position of the longitudinal heart axis and a position of the electrodes in the image data record are determined. A target position suited to determining evaluable ECG signals is automatically calculated for each of the electrodes by considering the position of the longitudinal heart axis and a displacement from the position of the electrodes to the target position. An item of positioning information for the electrodes is displayed by taking the displacements into consideration. | 03-11-2010 |
20100063382 | Specific Gene Polymorphisms in Breast Cancer Diagnosis, Prevention and Treatment - A method for detecting a predisposition to breast cancer in a subject is provided. The method comprises detecting in a biological sample from the subject one or more polymorphisms in the sequence of CD44 gene. The presence of one or more polymorphisms in the sequence of CD44 gene indicates that the subject has a predisposition for developing breast cancer. | 03-11-2010 |
20100063383 | CATHETER FOR MAGNETIC RESONANCE GUIDED PROCEDURES - A catheter for magnetic resonance (MR) guided procedures comprising: a catheter body having a lumen for accommodating an intravascular device; a magnetic coupling component in the catheter body, the magnetic coupling component being designed to magnetically couple with a conductive length on the intravascular device, the magnetic coupling resulting in a signal; the catheter having a connection to deliver the signal to a processor. | 03-11-2010 |
20100076298 | METHOD AND DEVICE FOR DETERMINING THE SPATIAL DISTRIBUTION OF THE SPECIFIC ABSORPTION RATE PRODUCED BY AN ELECTROMAGNETIC FIELD-RADIATING APPARATUS - In a method to determine the spatial distribution of the specific absorption rate in tissue that represents a measure of the absorption of electromagnetic fields emitted by means of a radiation generating element, at least one item of measurement information acquired by a thermoacoustic computed tomography device is used to determine the specific absorption rate. | 03-25-2010 |
20100076299 | Inducing Desirable Temperature Effects On Body Tissue Using Alternate Energy Sources - A system for inducing desirable temperature effects on body tissue, the body tissue being disposed about a lumen. The system includes an elongate catheter having a proximal end and a distal end with an axis therebetween with an energy delivery portion for transmission of energy. A tissue analyzer configured to characterize the body tissue in the lumen proximate the energy delivery portion and an energy source coupled to the energy delivery portion transmitting tissue treatment energy, wherein the energy is non-RF energy. A processor coupled to the tissue analyzer and energy source, the processor configured to determine an appropriate treatment energy for the characterized body tissue so as to mildly heat the body tissue with the energy delivery portion without ablating. | 03-25-2010 |
20100076300 | DATA PROCESSING SYSTEM FOR MULTI-MODALITY IMAGING - A data processing process and embodiment for optimizing the signal path for multi-modality imaging is described. The embodiment and process optimizes the signal to noise ratio in a positron emission tomography (PET) signal path utilizing scintillation crystals, avalanche photo diodes, and charge sensitive preamplifiers in a dual modality MRI/PET scanner. The dual use of both and analog pole zero circuit and a digital filter enables higher signal levels or a fixed ADC input range and thus a higher possible signal to noise ratio in the presence of significant pileup caused by high positron activity. The higher signal to noise ratio is needed in the PET signal architecture, because of the presence of non-modal time varying electromagnetic fields from the MR, which are a significant source of noise for the wideband PET signal modality. | 03-25-2010 |
20100076301 | ADAPTIVE IMAGING PARAMETERS WITH MRI - Systems, methodologies, media, and other embodiments associated with automatically adapting MRI controlling parameters are described. One exemplary method embodiment includes configuring an MRI apparatus to acquire MR signal data using a non-rectilinear trajectory. The example method may also include acquiring MR signals, transforming the MR signals into image data, and selectively adapting the MRI controlling parameters based, at least in part, on information associated with the MR signals. | 03-25-2010 |
20100081919 | Histological facilitation systems and methods - Systems, methods, and other modalities are described for generating or otherwise handling images or other data indicating (a) an extraction of chemically treated tissue frozen in vivo, (b) a treatment of a tissue sample in a chamber extended into tissue of an organism, and/or (c) cells to which an optical enhancement material was applied in vivo. Several contexts in which such indications facilitate histological evaluation are likewise described. | 04-01-2010 |
20100087727 | MULTI-MODALITY IMAGING APPARATUS AND METHOD FOR REGISTRATION OF THE MULTIPLE MODALITIES - Method to register multiple different imaging modalities warming an examination subject in a common image acquisition region of all imaging modalities, simultaneous or time-offset acquisition of at least one first image data set with a first imaging modality, simultaneous or time-offset acquisition of at least one second heat image data set with a second imaging modality, determining at least one item of heat information resulting from the warming of the examination subject is determined from each of the first image data set and the second heat image data set, and registration of the imaging modalities using the determined heat information. | 04-08-2010 |
20100087728 | ACOUSTIC PALPATION USING NON-INVASIVE ULTRASOUND TECHNIQUES TO IDENTIFY AND LOCALIZE TISSUE ELICITING BIOLOGICAL RESPONSES - Methods and systems for identifying and spatially localizing tissues having certain physiological properties or producing certain biological responses, such as the sensation of pain, in response to the application of intense focused ultrasound (acoustic probing or palpation) are provided. In some embodiments, targeted acoustic probing may be guided or visualized using imaging techniques such as ultrasound imaging or other types of non-invasive imaging techniques. | 04-08-2010 |
20100094119 | METHOD AND EQUIPMENT FOR IMAGE-GUIDED STEREOTACTIC RADIOSURGERY OF BREAST CANCER - A method of treating a cancerous region in a breast of a patient comprising (i) imaging the breast in a three-dimensional coordinate system, (ii) stereotactically determining the location of the cancerous region in the breast, (iii) optionally determining the volume of the entire cancerous region to be treated, and (iv) while maintaining the breast in a three-dimensional coordinate system that is identical to or corresponds with the three-dimensional coordinate system used in (i), noninvasively exposing the cancerous region of the breast of the patient to a cancer-treatment effective dose of radiation; and equipment for use in such a method. | 04-15-2010 |
20100094120 | PREDICTING EFFICACY OF PSYCHIATRIC TREATMENT - Methods and systems are described for determining, in a patient that suffers from a mood disorder (e.g., depression), a propensity of the patient to manifest reduced symptoms or levels of indicators of the mood disorder in response to a psychiatric treatment. This can involve determining levels of a marker (e.g., a metabolite) indicative of a brain bioenergetic state of the patient that is predictive of whether the patient will response favorably to an antidepression treatment. Such bioenergetic state markers, tending to normalize in response to antidepression therapy, can include, e.g., a pH, a magnesium level, and a phosphorus level. Brain levels of such markers can be determined by, e.g., | 04-15-2010 |
20100099974 | System for Generating a Multi-Modality Imaging Examination Report - A system processes medical report data associated with different types of imaging modality devices to provide a composite examination report. An acquisition processor in the system acquires multi-modality medical imaging examination report data for examinations performed on a patient by different types of imaging modality device. A report processor processes acquired multi-modality medical imaging examination report data items by, in response to predetermined selection riles, selecting between individual data items in the acquired multi-modality medical imaging examination report data items to provide a single individual data item for incorporation in a composite report. The report processor maps individual data items including the single individual data item in the acquired multi-modality medical imaging examination report data items to corresponding data fields in a composite report data structure in memory in response to predetermined mapping information. An output processor outputs data representing the composite report to a destination device. | 04-22-2010 |
20100099975 | DETECTION OF DECEPTION AND TRUTH-TELLING USING FMRI OF THE BRAIN - Methods for deriving an indication of truth or deception are disclosed. Some methods include (a) monitoring the activation of a plurality of regions of a subject's brain, while the subject responds to questions and (b) measuring one or more physiological parameters while the subject responds to questions and combining the results of (a) and (b) to form a composite evaluation indicative of truth or deception in the subject's response. Another method further includes (c) measuring one or more behavioral components while the subject responds to questions and then combining the results of (a), (b), and (c) to form a composite evaluation indicative of truth or deception in the subject's response. Methods for scoring, weighting, and combining the measurements for (a), (b), and (c), and combinations thereof, are also disclosed. | 04-22-2010 |
20100099976 | GAMMA- RAY DETECTOR AND PET APPARATUS USING THE SAME - A medium area (S) filled with liquid xenon ( | 04-22-2010 |
20100106004 | MOTION CORRECTION IN A PET/MRI HYBRID IMAGING SYSTEM - A diagnostic imaging arrangement comprises a magnetic resonance examination ( | 04-29-2010 |
20100106005 | MRI-GUIDED HIFU MARKING TO GUIDE RADIOTHERAPY AND OTHER PROCEDURES - The present disclosure provides for effective systems and methods for increasing target tissue conspicuity within a particular anatomy of a particular patient. In an exemplary embodiment, a system associated with the present disclosure includes: (a) a MRI-guided HIFU system for generating ablation markings on a target tissue region, the MRI-guided HIFU system including a transducer for delivering HIFU to the target tissue region, the delivered HIFU generating the ablation markings on the target tissue and an MRI imaging system adapted to generate a three dimensional image of the target tissue region during HIFU delivery for guiding the delivery of the HIFU to the target tissue region; (b) a radiotherapy delivery system for delivering radiotherapy treatment to the target tissue region; and (c) a CT imaging system operable within the radiotherapy delivery system for generating a three dimensional image of the target tissue region. The markings generated on the target tissue region by the MRI-guided HIFU are visible in the image generated by the CT imaging system. The image generated by the CT imaging system guides the location of the radiotherapy treatment delivered to the target tissue region. | 04-29-2010 |
20100113911 | System for Delivering Conformal Radiation Therapy While Simultaneously Imaging Soft Tissue - A device and a process for performing high temporal- and spatial-resolution MR imaging of the anatomy of a patient during intensity modulated radiation therapy (IMRT) to directly measure and control the highly conformal ionizing radiation dose delivered to the patient for the treatment of diseases caused by proliferative tissue disorders. This invention combines the technologies of open MRI, multileaf-collimator or compensating filter-based IMRT delivery, and cobalt teletherapy into a single co-registered and gantry mounted system. | 05-06-2010 |
20100121176 | Administering a therapeutic agent with more than one taggant - A system may include a means for administering a therapeutic agent to a subject; a means for administering a first pharmaceutically-acceptable taggant to the subject at least substantially concurrent with the therapeutic agent, the first pharmaceutically-acceptable taggant having a pharmacokinetic profile; and a means for administering a second pharmaceutically-acceptable taggant to the subject with the first pharmaceutically-acceptable taggant, the second pharmaceutically-acceptable taggant having a pharmacokinetic profile different from the pharmacokinetic profile of the first pharmaceutically-acceptable taggant. | 05-13-2010 |
20100121177 | Administering a therapeutic agent with more than one taggant - A system may include a means for administering a therapeutic agent to a subject; a means for administering a first pharmaceutically-acceptable taggant to the subject at least substantially concurrent with the therapeutic agent, the first pharmaceutically-acceptable taggant having a pharmacokinetic profile; and a means for administering a second pharmaceutically-acceptable taggant to the subject with the first pharmaceutically-acceptable taggant, the second pharmaceutically-acceptable taggant having a pharmacokinetic profile different from the pharmacokinetic profile of the first pharmaceutically-acceptable taggant. | 05-13-2010 |
20100121178 | Systems and Methods for Automated Diagnosis and Decision Support for Breast Imaging - CAD (computer-aided diagnosis) systems and applications for breast imaging are provided, which implement methods to automatically extract and analyze features from a collection of patient information (including image data and/or non-image data) of a subject patient, to provide decision support for various aspects of physician workflow including, for example, automated diagnosis of breast cancer other automated decision support functions that enable decision support for, e.g., screening and staging for breast cancer. The CAD systems implement machine-learning techniques that use a set of training data obtained (learned) from a database of labeled patient cases in one or more relevant clinical domains and/or expert interpretations of such data to enable the CAD systems to “learn” to analyze patient data and make proper diagnostic assessments and decisions for assisting physician workflow. | 05-13-2010 |
20100125191 | MRI AS A THERAPEUTIC DEVICE - A method and device comprises a system alike a magnetic resonance imaging system ( | 05-20-2010 |
20100125192 | FOCUSED ULTRASOUND SYSTEM - A focused ultrasound system includes an ultrasound transducer configured to emit focused ultrasound energy toward a subject and a positioning system configured to position the ultrasound transducer to localize the focused ultrasound energy within a target location. The positioning system includes a drive apparatus to translate the ultrasound transducer along at least one axis of motion and a motor controller to control the drive apparatus. The focused ultrasound system also includes a control system connected to the motor controller that is programmed to receive imaging/location data from an imaging system, determine positional coordinates of the target location based on the imaging/location data, and register the positional coordinates of the target location with the positioning system. The positional coordinates are sent to the motor controller via an input signal to cause the motor controller to control the drive apparatus so as to translate the ultrasound transducer. | 05-20-2010 |
20100125193 | Closed-Loop Clot Lysis - The present invention provides procedures and systems that use a closed-loop approach for directing ultrasound energy at a clot while monitoring blood flow and/or liquification of the clot tissue so as to allow automated and/or manual adjustments to various treatment parameters. | 05-20-2010 |
20100130850 | Flexible Core Surgical Device - A surgical instrument having a tubular member having a proximal end and a distal end, at least one helical member concentric with the tubular member, and a cutting portion protruding from the distal end of the tubular member. A method of using the surgical instrument is performing a biopsy. | 05-27-2010 |
20100152570 | Virtual Penetrating Mirror Device for Visualizing Virtual Objects in Angiographic Applications - A virtual mirror device for visualizing virtual objects in angiographic applications, having an interactive virtual mirror, a 3D or 4D medical image of a patient's anatomy co-registered with a calibrated 2D X-ray image of the patient's anatomy, and a displaying device provided such that the 2D X-ray image of the patient's anatomy, the co-registered 3D or 4D medical image of the patient's anatomy and the interactive virtual mirror viewed from the viewpoint of the X-ray source of the X-ray imaging system, are presented in a common coordinate system, providing full integration and combined visualization of the reconstruction of 3D or 4D medical image of the patient's anatomy, the 2D X-ray image of the patient's anatomy and the virtual mirror onto the displaying device. | 06-17-2010 |
20100168553 | MR-Tracking Based on Magnetic Signature Selective Excitation - The present invention relates to a MR tracking method and device. More specifically, the present invention relates to a magnetic resonance tracking method and device, using a magnetic-susceptible object. A magnetic iso-surface induced by the object is selectively excited with a corresponding frequency offset; the magnetic iso-surface is then projected on three axes of a k-space, from which projections the spatial position of the object is calculated. | 07-01-2010 |
20100174172 | MRI SYSTEM FOR UPRIGHT RADIOTHERAPY - An image-guided radiotherapy system including a magnet assembly operable to produce a horizontal imaging field in an imaging region, and a non-imaging field in a non-imaging region, a positioner operable to rotate an object in the imaging region about a generally vertical rotational axis, a magnetic resonance (MR) imager in communication with the horizontal imaging field, a collimator operable to collimate a generally horizontal radiation beam directed towards the object, and a radiation source operable to produce a radiation beam of charged particles substantially parallel to the non-imaging field in the non-imaging region. | 07-08-2010 |
20100174173 | Implantable Medical Device Using Palladium - The present invention provides an improved implantable medical device comprising at least one portion made of a radiopaque material selected from the group consisting of various palladium alloys, including a palladium alloy having, by weight, rhenium in the range of up to about 20 percent, and preferably rhenium at about 14 percent of the alloy, by weight. The present invention further provides a wire guide, an embolization coil, a marker band, a stent, a filter, an RF ablation coil, and an electrode having at least one portion made of the radiopaque material. | 07-08-2010 |
20100179413 | DETERMINATION AND DISPLAY OF MATERIAL PROPERTIES - The invention provides for the visualisation of conventional and parametric images of materials as they are progressively distorted during examination. A conventional image is displayed simultaneously alongside one or more parametric images derived from the original image data, with the parametric images displaying mechanical properties such as elasticity and mobility. The mobility values are calculated from the tracking error obtained from a motion or strain estimation algorithm applied to a sequence of image frames. The values of elasticity and mobility are displayed in a colour overlay on the conventional image background and the transparency of the overlay is varied according to the parameter values to de-emphasise less relevant values. | 07-15-2010 |
20100179414 | IMAGE GUIDED THERAPY - A therapeutic system comprises a therapy module to direct a therapeutic action, e.g. focused ultrasound or RF energy to a target. An imaging module such as an magnetic resonance examination system generates image information of a therapy region that includes the target. By way of a motion analysis module a motion vector field is derived from the image information of the therapy region. A control module controls the therapy module on the basis of the motion vector field. Notably, on the basis of the motion vector field an accurate temperature distribution is derived from magnetic resonance signals and the motion vector field. Also magnetic resonance elastography data may be employed to improve the accuracy of the temperature distribution. | 07-15-2010 |
20100179415 | MODEL-BASED DIFFERENTIAL DIAGNOSIS OF DEMENTIA AND INTERACTIVE SETTING OF LEVEL OF SIGNIFICANCE - When detecting and classifying hypo-metabolic regions in the brain to facilitate dementia diagnosis, a patient's brain scan image, generated using an FDG-PET scan, is compared to a plurality of hypo-metabolic region patterns in brain scan images associated with a plurality of types of dementia. In a fully automated mode, the patient's scan is compared to all scans stored in a knowledge base, and a type of dementia associated with a most likely match is output to a user along with a highlighted image of the patient' s brain. In a semi-automated mode, a user specifies two or more types of dementia, and the patient's scan is compared to scans typical of the specified types. Diagnosis information including respective likelihoods for each type is then output to the user. Additionally, the user can adjust a threshold significance level to increase or decrease a number of voxels that are included in hypo-metabolic regions highlighted in the patient' brain scan image. | 07-15-2010 |
20100179416 | Medical Systems and Methods - A prostate therapy system is provided that may include any of a number of features. One feature of the prostate therapy system is that it can access a prostate lobe transrectally. Another feature of the prostate therapy system is that it can image the prostate lobe transrectally. One feature of the prostate therapy system is that it can deliver condensable vapor into the prostate to ablate the prostate tissue. Methods associated with use of the prostate therapy system are also covered. | 07-15-2010 |
20100185080 | MAGNETIC RESONANCE GUIDED CANCER TREATMENT SYSTEM - A system and method are provided for treatment of cancer, comprising: a focusable energy source for targeting a region of interest in a human or animal body to achieve hyperthermia in the region of interest; and a magnetic resonance imaging unit arranged to monitor at least one physical parameter related to oxygenation level spatially in and around the region of interest. The physical parameters may be one or more of partial oxygen pressure (pO | 07-22-2010 |
20100191094 | Diagnostic delivery service - Systems, methods, and other modalities are described for (a) obtaining an indication relating to an emission module (which may be dangerous, e.g.) or its user (who may be untrained, e.g.) and for (b) configuring the module or causing an irradiation (for imaging, e.g.) in response to the indication. | 07-29-2010 |
20100191095 | PROCESS, DEVICE AND SYSTEM FOR REDUCING THE ARTIFACTS THAT AFFECT ELECTROPHYSIOLOGICAL SIGNALS AND THAT ARE DUE TO ELECTROMAGNETIC FIELDS - A method for collecting and a device for sensing at least one electrophysiological signal, as well as to a system including at least one such device. The device for sensing at least one electrophysiological signal from a living subject subjected to at least one electromagnetic field, includes elements, such as electrodes, which are placed on the subject for the physical acquisition of at least one electrophysiological signal and at least elements for the pre-processing of the at least one sampled electrophysiological signal. The sensor device ( | 07-29-2010 |
20100191096 | PARAMAGNETIC BIOMOLECULE COMPLEXES AND USES THEREOF IN THE ASSESSMENT OF ORGAN FUNCTION - The present invention relates to complexes comprising one or more marker(s) and one or more biomolecules. The complexes according to the present invention have a variety of utilities, such as utility as a contrast agent in imaging methods, for example magnetic resonance imaging. | 07-29-2010 |
20100198047 | SMALL ANIMAL IMAGING CAPSULE AND BED SYSTEM - In a small animal imaging system ( | 08-05-2010 |
20100198048 | MEDICINAL-SOLUTION ADMINISTRATION SYSTEM AND MEDICINAL-SOLUTION ADMINISTRATION CANNULA - A medicinal-solution administration system for feeding a medicinal solution to a mammal including a human includes a medicinal-solution feed device that feeds a medicinal solution, an observation device that includes an elongated observation probe and observes a diseased part to which the medicinal solution is administered, and a medicinal-solution administration cannula that has at least a part thereof implanted in a body. The medicinal-solution administration cannula guides the medicinal solution, which is fed from the medicinal-solution feed device, and the observation probe to the diseased part. | 08-05-2010 |
20100198049 | ACTIVE MRI INTRAMYOCARDIAL INJECTION CATHETER WITH DEFLECTABLE DISTAL SECTION - A deflectable tip catheter that is safe and effective for use in a magnetic resonance imaging environment. The deflectable tip catheter is configured such that it includes a built-in antenna, such as a loopless antenna or a loop antenna. The built-in antenna permits the deflectable tip catheter to be actively tracked and/or visualized. Depending upon the specific configuration of the deflectable tip catheter, the catheter may be tracked and/or visualized as a single unit, it may be tracked and/or visualized separate and independent of other components or instruments associated with the catheter, such as pull wires, injection needles, surgical instruments, and the like. The catheters described herein include injection type catheters and/or guidance type catheters. | 08-05-2010 |
20100204563 | SYSTEM AND METHOD FOR CORRECTING ATTENUATION IN HYBRID MEDICAL IMAGING - A hybrid medical imaging system comprises a nuclear medicine imaging subsystem for capturing an image of a target region of a subject, a magnetic resonance imaging (MRI) subsystem for capturing an MRI image of the target region based on at least one MRI parameter and processing structure communicating with the subsystems. The processing structure processes the MRI image to estimate attenuation within the target region and uses the estimated attenuation to correct the image captured by the nuclear medicine imaging subsystem. | 08-12-2010 |
20100217111 | SYSTEM, METHOD AND FACILITY FOR REDUCING PEDIATRIC PATIENT ANXIETY DURING MEDICAL DIAGNOSTIC IMAGING PROCEDURES - A facility for performing a medical examination includes a room, a medical imaging system located in the room, and a plurality of elements installed on at least one of the room and the medical imaging system, the elements collectively creating a first theme that forms a physical environment at least partially surrounding a patient, wherein the theme is presented in a manner to reduce the level of patient anxiety and fear experienced by the patient being imaged. A medical imaging system is also described. A method of imaging a patient using the facility, a method of remodeling an existing facility, and a method of determining a theme to be used in a medical facility are also described. | 08-26-2010 |
20100217112 | PET-MRI COMBINATION APPARATUS - Disclosed herein is a PET-MRI combination apparatus which can extend transaxial and axial fields of view (FOV) by transmitting an output signal from a photo sensor to the outside of an MRI bore using cable. The PET-MRI combination apparatus includes an MRI bore for capturing an MR image of an object. A PET detector is installed inside imaging space of the MRI bore, and is configured such that a plurality of scintillation crystal arrays, each having scintillation crystals arranged in a ring shape, is arranged in a longitudinal direction so as to extend a axial field of view (FOV). A PET circuit unit is installed outside the MRI bore to prevent the PET circuit unit from being influenced by a magnetic field in the MRI bore, and is configured to include a signal amplification circuit and a signal processing circuit. A cable is configured to connect the PET detector to the PET circuit unit. | 08-26-2010 |
20100217113 | CABLE MANAGEMENT SYSTEMS FOR MRI SYSTEMS AND RELATED METHODS - The disclosure describes cable management systems that provide adjustable lengths of cables that connect to various electronic medical or surgical tools. The systems can reduce the lengths of loose or hanging cables and define routes that preventing cross-over, looping and/or bunching of loose lengths of long cables. | 08-26-2010 |
20100217114 | MAGNETIC RESONANCE THERMOMETRY METHOD - A method for reducing errors in the measurement of temperature by magnetic resonance, for use in magnetic resonance imaging-guided HIFU equipment, includes acquiring an MR phase image, as a reference image, before heating an area to be heated with the HIFU equipment; acquiring another MR phase image, as a heated image, during or after the heating by the HIFU equipment; and calculating the temperature change in the heated area according to said heated image and said reference image; and making compensation to said temperature change according to the change in the magnetic field caused by the position change of an ultrasonic transducer in said HIFU equipment. The method can reduce significantly the temperature errors resulting from the position changes of the ultrasonic transducer. | 08-26-2010 |
20100228116 | SYSTEM AND METHOD OF OPTIMIZING A HETEROGENEOUS RADIATION DOSE TO BE DELIVERED TO A PATIENT - A radiation therapy treatment system and method of optimizing a heterogeneous dose to be delivered to a patient. The system includes a computer processor and a software program stored in a computer readable medium accessible by the computer processor. The software program is operable to receive a prescribed heterogeneous radiation dose to be delivered to the patient, determine a homogeneous reference dose, calculate a complementary radiation dose by determining a difference between the homogeneous reference dose and the heterogeneous radiation dose, generate a treatment plan for the patient, the treatment plan including an optimized radiation dose to be delivered to the patient, combine the complementary radiation dose and the optimized radiation dose, evaluate the combined radiation dose with respect to the homogeneous reference dose, and display the combined radiation dose. | 09-09-2010 |
20100249573 | BRAIN FUNCTION DECODING PROCESS AND SYSTEM - The present invention provides a process of correlating cognitive response to a stimulus by collecting neural activity data from one or more subjects while the subject is exposed to a stimulus. A unique three-dimensional cognitive engram representative of the neural activity caused by the stimulus is then plotted. A unique three-dimensional cognitive engram with biometric data representative of said stimulus is then correlated. | 09-30-2010 |
20100261994 | INTEGRATION OF VERY SHORT ELECTRIC PULSES FOR MINIMALLY TO NONINVASIVE ELECTROPORATION - The present invention provides methods, devices, and systems for in vivo treatment of cell proliferative disorders. The invention can be used to treat solid tumors, such as brain tumors. The methods rely on non-thermal irreversible electroporation (IRE) or supra-poration to cause cell death in treated tumors. In embodiments, the methods comprise the integration of ultra-short electric pulses, both temporally and spatially, to achieve the desired modality of cell death. | 10-14-2010 |
20100268063 | METHOD AND DEVICE FOR IMAGING A VOLUME SECTION BY WAY OF PET DATA - A method and a device for imaging a volume section by way of PET data are described. With the proposed solution the PET data of the volume section are acquired by way of a positron emission detector, and the MR data of the volume section are acquired by way of a magnetic resonance system. In at least one embodiment, with the aid of the MR data, PET voxels within the volume section are determined from which radiation occurring due to an annihilation is emitted. The image data are reconstructed from the PET data in that it is taken into account that the PET data are generated only by radiation from the PET voxels. | 10-21-2010 |
20100268064 | Assembly for heat treatment of biological tissues - The invention concerns an assembly for heat treatment of a region of a biological tissue ( | 10-21-2010 |
20100280354 | GUIDED PUNCTURING NEEDLE AND PUNCTURING GUIDING METHOD - A guide puncturing needle which is integratively used with a scanning and detecting device, such as CT, MRI or the like, and provides puncturing, biopsy, injection, implanting, and the physical diagnose and therapy, such as RF, microwave, freezing, laser and the like, and a puncturing guide method for applying the puncturing needle to puncture are provided. Since the guide puncturing needle is provided with a needle-entering angle guide means ( | 11-04-2010 |
20100280355 | SYSTEM AND METHOD TO CHARACTERIZE CARDIAC FUNCTION - Systems and methods can quantify cardiac function. In one embodiment, a method ( | 11-04-2010 |
20100280356 | THERAPY SYSTEM WITH TEMPERATURE CONTROL - A therapy system comprises a therapy module to direct a therapeutic action to a target along successive trajectories in a target region that includes the target. A thermometry module is provided to measure temperature a measurement field and in particular to compute a thermal dose. A control module to controls the therapy module to apply the therapeutic action along the respective trajectories on the basis of the measured temperature and/or thermal dose. The successive trajectories are located in the target zone outward or inward relative to one another within the target zone. In particular the therapeutic action subsists in application a focused ultrasound beam to the target. Temperature measurement is done on the basis of magnetic resonance signals. | 11-04-2010 |
20100292563 | Optical MRI device - A dual modality imaging apparatus, comprising a magnetic resonance imaging (=MRI) system and a fluorescence molecular tomography (=FMT) system, for investigating a sample ( | 11-18-2010 |
20100292564 | System and Method For Magnetic-Nanoparticle, Hyperthermia Cancer Therapy - A system and method is provided for performing and monitoring a magnetic nanoparticle hyperthermia process on a subject having received a dose of a magnetic nanoparticle configured to bind to tissue within a target area of the subject. A low-field MRI system is utilized having a static magnetic field and a radio frequency (RF) system configured to receive MRI data from the target area. A hyperthermia system is coupled to the low-field MRI system and configured to generate a hyperthermia excitation field configured to cause the magnetic nanoparticle to rotate at a lag with respect to a magnetic field experienced by the magnetic nanoparticle to cause a temperature increase in the target area. The MRI system is configured to acquire medical imaging data from the target area and reconstruct images therefrom indicating at least one of a spatial distribution of the nanoparticle in and a temperature of the target area. | 11-18-2010 |
20100305425 | Medical System For Providing External Trigger Signal - There are disclosed embodiments for a medical system capable of providing an external trigger signal. The medical system comprises at least one of an ECG signal providing unit to provide an ECG signal indicative of an electrical change in a target object, a reference signal providing unit to provide at least one reference signal for triggering an operation of the medical system, and a medical image providing unit to provide a medical image of the target object. The medical system may further comprise a processor to form an external trigger signal using at least one of the ECG signal, reference signal and medical image. The medical system may further comprise a signal interface unit to transmit the external trigger signal to an external device coupled to the medical system. | 12-02-2010 |
20100305426 | POSITIONING SYSTEM AND METHOD OF POSITION DETECTING - A body-insertable apparatus has a resonance circuit for emitting a resonance magnetic field by being guided by a drive magnetic field received from the outside. An external device has: a drive coil driving unit for outputting a drive signal having a predetermined frequency; a drive coil for receiving the output drive signal and generating the drive magnetic field in a detection space; a sense coil for detecting the resonance magnetic field and outputting a detection signal; a position deriving unit for deriving position information of the resonance circuit by using the detection signal; a current detecting unit for detecting a current amplitude value of the drive signal input to the drive coil; and a drive magnetic field generation control unit for calculating an amplitude value of a drive signal which is output from the drive coil driving unit by using the current amplitude value, detecting the degree of stability indicating whether a sharp change occurs in the drive magnetic field on the basis of the calculated amplitude value, and controlling the position deriving unit on the basis of the detected degree of stability in the drive magnetic field detected. | 12-02-2010 |
20100312092 | Method and system for vascular elastography - The method for vascular elastography comprises: i) obtaining a sequence of radio-frequency (RF) images including pre-tissue-motion and post-tissue-motion images in digital form of a vessel delimited by a vascular wall; the pre-tissue-motion and post-tissue-motion images being representative of first and second time-delayed configuration, of the whole vessel; ii) partitioning both the pre-tissue-motion and post-tissue-motion images within the vascular wall into corresponding data windows; approximating a trajectory between the pre- and post-tissue-motion for corresponding data windows; and using the trajectory for each data window to compute the full strain tensor in each data window, which allow determining the Von Mises coefficient. The method can be adapted for non-invasive vascular elastography (NIVE), for non-invasive vascular micro-elastography (MicroNlVE) on small vessels, and for endovascular elastography (EVE). | 12-09-2010 |
20100312097 | Hybridized optical-MRI method and device for molecular dynamic monitoring of in vivo response to disease treatment - An apparatus for providing physiological information from an organism in disease diagnosis and treatment monitoring, for use in an MRI instrument. The apparatus operates on the concept of hybridized magneto-optical sensitivity. The MRI includes an MRI scanner and a controller for controlling the MRI scanner. The MRI scanner provides a magnetic field of at least 0.5T. The apparatus further includes a front end built of non-magnetic components, comprising light guides for illuminating a region of interest (ROI) and for collecting light emitted at said ROI; and a back-end comprising a light source for injecting light into said light guides; a light detector for receiving light collected at said ROI; and a processing and control unit for processing said light collected at said ROI. | 12-09-2010 |
20100317960 | THERMOTHERAPY DEVICE AND METHOD TO IMPLEMENT THERMOTHERAPY - A thermotherapy device has a transmitter, a receiver and a processing unit. The transmitter is designed to emit a high-energy radiation in a treatment region of a patient. The high-energy radiation exhibits a power that is suitable for thermotherapy. The receiver is designed to detect a sound signal that is generated by the treatment region depending on the high-energy radiation radiated into said treatment region. The processing unit is coupled with the transmitter) and the receiver. The processing unit automatically determines information about the treatment region depending on the detected sound signal. | 12-16-2010 |
20100317961 | MRI-Guided Devices and MRI-Guided Interventional Systems that can Track and Generate Dynamic Visualizations of the Devices in near Real Time - An MRI-guided medical device includes an elongated sheath, an elongated dilator, and an elongated needle. The sheath has a distal end, an opposite proximal end, and a central lumen extending between the proximal and distal ends. The sheath comprises MRI-compatible material and includes a tracking member located adjacent to the sheath distal end that is visible in an MRI image. The dilator comprises MRI-compatible material and is movably disposed within the sheath lumen. A distal end of the dilator is configured to extend outwardly from the sheath distal end and dilator includes at least one tracking member that is visible in an MRI image. The needle is movably disposed within the dilator lumen and is movable between stored and operative positions relative to the dilator. An RF shield may be coaxially disposed within the elongated sheath so as to surround a portion of the sheath central lumen. | 12-16-2010 |
20100317962 | MRI-Guided Devices and MRI-Guided Interventional Systems that can Track and Generate Dynamic Visualizations of the Devices in near Real Time - An MRI-compatible catheter includes an elongated flexible shaft having opposite distal and proximal end portions. A handle is attached to the proximal end portion and includes an actuator in communication with the shaft distal end portion that is configured to articulate the shaft distal end portion. The distal end portion of the shaft may include an ablation tip and includes at least one RF tracking coil positioned adjacent the ablation tip that is electrically connected to an MRI scanner. The at least one RF tracking coil is electrically connected to a circuit that reduces coupling when the at least one RF tracking coil is exposed to an MRI environment. Each RF tracking coil is a 1-10 turn solenoid coil, and has a length along the longitudinal direction of the catheter of between about 0.25 mm and about 4 mm. | 12-16-2010 |
20100324410 | METHOD OF DETERMINING THE POSITION OF A DEEP BRAIN STIMULATION ELECTRODE - The present invention relates to a method of determining the position of a deep brain stimulation (DBS) electrode which finds the position of the DBS electrode with respect to a deep brain target region, by using a first volume data set containing information on the deep brain target region and a second volume data set containing information on the DBS electrode implanted toward the deep brain target region, and which includes: a first step of generating a subvolume of the deep brain target region from the first volume data set, and also generating a subvolume of the DBS electrode from the second volume data set; and a second step of overlapping and displaying the subvolume of the deep brain target region and the subvolume of the DBS electrode. | 12-23-2010 |
20100331665 | METHOD FOR ABSORPTION CORRECTION OF PET DATA AND MR-PET SYSTEM - An apparatus is disclosed for combined magnetic resonance tomography and positron emission tomography imaging which is designed for recording PET image data of a person under examination from an examination area. In at least one embodiment, the apparatus includes a scanning unit, embodied to scan a prespecified area of the person under examination and based on the scanning, to determine a contour of the person under examination for the prespecified area; and a processing unit, embodied, based on the contour determined, to carry out an absorption correction of PET data which has been recorded from the prespecified area of the person under examination. A method is also disclosed. | 12-30-2010 |
20100331666 | SYSTEM FOR EMBOLIZING A TARGET SITE IN A BODY BY APPLICATION OF AN EXTERNAL ENERGY - A vaso-occlusive device is introduced in a cavity of a patient's vasculature, such as an aneurysm, after which an external energy source, such as a MRI machine is activated to heat the vaso-occlusive device to assist in forming a thrombus or embolism within the treatment site, to release and/or activate a diagnostic or therapeutic agent carried by the vaso-occlusive device, and/or to fuse together portions of the vaso-occlusive device to help stabilize the device in a three-dimensional shape. | 12-30-2010 |
20100331667 | AUTOMATED NON-MAGNETIC MEDICAL MONITOR USING PIEZOELECTRIC CERAMIC DIAPHRAGM DEVICES - In magnetic resonance imaging (MRI), the powerful magnetic fields can interfere with, damage, cause premature failure in, and attract certain non-MR safe instruments. Electromagnetic ally sensitive components are eliminated in favor of MR safe components, such as ceramic piezoelectric components and bi-metallic components. Instruments that previously had to be kept a safe distance away from the main magnet ( | 12-30-2010 |
20110009733 | NON-MAGNETIC MEDICAL INFUSION DEVICE - Liquid infusion apparatus includes non-magnetic materials in a pumping structure and drive motor therefore, and in a controller that supplies drive signals to the motor to facilitate convenient operation in intense magnetic fields without distorting the magnetic fields and without radiating objectionable radio-frequency interference. | 01-13-2011 |
20110009734 | IMAGE GUIDED HIGH INTENSITY FOCUSED ULTRASOUND TREATMENT OF NERVES - A method for using high intensity focused ultrasound (HIFU) to treat neurological structures to achieve a desired therapeutic effect. Depending on the dosage of HIFU applied, it can have a reversible or irreversible effect on neural structures. For example, a relatively high dose of HIFU can be used to permanently block nerve function, to provide a non-invasive alternative to severing a nerve to treat severe spasticity. Relatively lower doses of HIFU can be used to reversibly block nerve function, to alleviate pain, to achieve an anesthetic effect, or to achieve a cosmetic effect. Where sensory nerves are not necessary for voluntary function, but are involved in pain associated with tumors or bone cancer, HIFU can be used to non-invasively destroy such sensory nerves to alleviate pain without drugs. Preferably, ultrasound imaging synchronized to the HIFU therapy is used to provide real-time ultrasound image guided HIFU therapy of neural structures. | 01-13-2011 |
20110015516 | METHOD AND MAGNETIC RESONANCE DEVICE FOR GRAPHICALLY ASSISTING NAVIGATION OF AN INSTRUMENT - In a method and magnetic resonance device for graphically assisting the navigation of an instrument (in particular a medical instrument such as a needle and/or a guide sleeve guiding a needle) within a procedure region of a target subject (in particular a patient), coordinates of a target position and/or target region to be addressed that are obtained from a high-contrast image data set acquired with the magnetic resonance device. Low-contrast image data showing the instrument are acquired continuously and/or intermittently during the navigation and/or the position and orientation of the instrument is determined (in particular measured) with a position determination device. The low-contrast image later are brought into registration with the magnetic resonance device continuously and/or intermittently during the navigation. A representation showing at least the relative position and orientation of the instrument relative to the target position and/or target region is generated and displayed under consideration of the coordinates and the low-contrast image data and/or the position and orientation of the instrument. | 01-20-2011 |
20110034800 | ESTIMATION OF ALIGNMENT PARAMETERS IN MAGNETIC-RESONANCE-GUIDED ULTRASOUND FOCUSING - A magnetic-resonance-guided focused ultrasound system may be calibrated by generating ultrasound foci using ultrasound transducers, establishing coordinates of the foci and of magnetic-resonance trackers associated with the transducers, and determining a geometric relationship between the trackers and the transducers. | 02-10-2011 |
20110034801 | System for Processing Angiography and Ultrasound Image Data - A system provides a single composite image including multiple medical images of a portion of patient anatomy acquired using corresponding multiple different types of imaging device. A display processor generates data representing a single composite display image including, a first image area showing a first image of a portion of patient anatomy acquired using a first type of imaging device, a second image area showing a second image of the portion of patient anatomy acquired using a second type of imaging device different to the first type. The first and second image areas include first and second markers respectively. The first and second markers identify an estimated location of the same corresponding anatomical position in the portion of patient anatomy in the first and second images respectively. A user interface enables a user to move at least one of, (a) the first marker in the first image and (b) the second marker in the second image, to correct the estimated location so the first and second markers identify the same corresponding anatomical position in the portion of patient anatomy. | 02-10-2011 |
20110040169 | INTEGRATION OF MICRO AND MACRO INFORMATION FOR BIOMEDICAL IMAGING - Macroscopic imaging data, such as from a CT, MR, PET, or SPECT scanner, is obtained. Microscopic imaging data of at least a portion of the same tissue is obtained. To align the microscopic imaging data with the macroscopic imaging data, intermediate data is also obtained. For example, photographic data is acquired at an intermediary stage of a process of preparing tissue for microscopic scan. The macroscopic and microscopic data are registered to the intermediary photographic data. Once registered to the intermediary data, the spatial relationship between the macroscopic and microscopic data is known and may be used for imaging or quantification. | 02-17-2011 |
20110040170 | ENDOSCOPIC IMAGING PHOTODYNAMIC THERAPY SYSTEM AND METHODS OF USE - The invention provides an endoscopic imaging photodynamic therapy system (EIPS) for focused tissue ablation by illumination of a photosensitizer drug in a target tissue, said system comprising an endoscopic assembly, a real-time imaging component for locating the target tissue and monitoring the ablation intervention, a therapeutic light system and, optionally, a drug delivery module, wherein said imaging component comprises a flexible transducer with an operative channel for insertion of a flexible light guide of the therapeutic light system and, optionally, a flexible drug delivery catheter of the drug delivery module. This EIPS may be used in various medical applications where tissue ablation is required and photodynamic therapy may be applied, in particular, in the treatment of extrauterine pregnancy (EUP). | 02-17-2011 |
20110040171 | IMAGE GUIDED HIGH INTENSITY FOCUSED ULTRASOUND TREATMENT OF NERVES - A method for using high intensity focused ultrasound (HIFU) to treat neurological structures to achieve a desired therapeutic effect. Depending on the dosage of HIFU applied, it can have a reversible or irreversible effect on neural structures. For example, a relatively high dose of HIFU can be used to permanently block nerve function, to provide a non-invasive alternative to severing a nerve to treat severe spasticity. Relatively lower doses of HIFU can be used to reversibly block nerve function, to alleviate pain, to achieve an anesthetic effect, or to achieve a cosmetic effect. Where sensory nerves are not necessary for voluntary function, but are involved in pain associated with tumors or bone cancer, HIFU can be used to non-invasively destroy such sensory nerves to alleviate pain without drugs. Preferably, ultrasound imaging synchronized to the HIFU therapy is used to provide real-time ultrasound image guided HIFU therapy of neural structures. | 02-17-2011 |
20110040172 | MEDICAL SYSTEM COMPRISING A PERCUTANEOUS PROBE - The percutaneous probe, made in MRI-compatible materials, comprises: a body percutaneously inserted into the tissue of a patient's body organ ( | 02-17-2011 |
20110046472 | TECHNIQUES FOR TEMPERATURE MEASUREMENT AND CORRECTIONS IN LONG-TERM MAGNETIC RESONANCE THERMOMETRY - Techniques for temperature measurement and correction in long-term MR thermometry utilize a known temperature distribution in an MR imaging area as a baseline for absolute temperature measurement. Phase shifts that arise from magnetic field drifts are detected in one or more portions of the MR imaging area, facilitating correction of temperature measurements in an area of interest. | 02-24-2011 |
20110054300 | SURGERY SUPPORT DEVICE, SURGERY SUPPORT METHOD, AND COMPUTER READABLE RECORDING MEDIUM STORING SURGERY SUPPORT PROGRAM - Presentation of images showing with high resolution the state of a surgical field during surgery is realized with a simple configuration. When performing surgery, a three-dimensional model is generate based on MRI images of a patient captured prior to surgery, and three-dimensional coordinates of each location on a surface of the patient are measured by scanning a laser beam over the surface and detecting laser beam reflected therefrom, and correspondence is made with the MRI image for each location of the surface (frameless/markerless: steps | 03-03-2011 |
20110060211 | SYSTEMS AND METHODS FOR TOMOGRAPHIC IMAGING IN DIFFUSE MEDIA USING A HYBRID INVERSION TECHNIQUE - The invention relates to systems and methods for tomographic imaging in diffuse media employing a fast reconstruction technique. A hybrid Fourier approach is presented that enables the fast tomographic reconstruction of large datasets. In certain embodiments, the invention features methods of in vivo fluorescence molecular tomographic (FMT) reconstruction of signals, reporters and/or agents (i.e., contrast agents or probes) in a diffusive medium (e.g., a mammalian subject). The method preserves the three-dimensional fluorophore distribution and quantitative nature of the FMT approach while substantially accelerating its computation speed, allowing FMT imaging of larger anatomies. | 03-10-2011 |
20110066026 | RF COIL FOR USE IN MAGNETIC RESONANCE IMAGING IN INTEGRATED SPECT AND MR IMAGING - An apparatus and method for performing dual modality SPECT/MRI imaging on an object in combination with a whole-body MRI system includes a collimated nuclear radiation detector for receiving radiation from the object, and a radiofrequency MRI coil enveloping the object and interfaced with the collimated nuclear radiation detector. The MRI coil and collimated detector are arranged and configured for disposition within the whole-body MRI system. | 03-17-2011 |
20110066027 | Combined Imaging System with a Magnetic Resonance System and a UWB Radar - During operation of a combined imaging system with a magnetic resonance system and a UWB radar, a wireless signal transmission in conjunction with a patient monitoring system is to be enabled in a simpler and more cost-effective manner. To this end, the use of already existing components of the UWB radar is proposed for the wireless signal transmission. This makes it possible to dispense with an additional transmitting and/or receiving antenna for the wireless signal transmission. | 03-17-2011 |
20110071380 | Manual Instrumented Medical Tool System - A medical device is for use in association with a medical image of the gland or organ having a known reference point. The medical device comprises a structural frame, a horizontal joint, a vertical joint, a pan join, a tilt joint a medical instrument assembly and a control system. The medical device is positioned at a predetermined location relative to the medical image reference point. Each of the horizontal joint, the vertical joint, the pan joint and the tilt joint have a position sensor and are operably connected to the frame. The medical instrument assembly is operably connected to a sensor and to the horizontal joint, the vertical joint, the pan joint and the tilt joint. The control system is operably connected to the other elements whereby the control system determines the position of a predetermined location on the medical instrument assembly relative to the structural frame. | 03-24-2011 |
20110071381 | METHOD AND SYSTEM FOR LEADING MACROMOLECULE SUBSTANCES INTO LIVING TARGET CELLS - A method and system for leading macromolecule substances into target cells includes an image picking unit, an image merging unit, an injection unit, and an energy conversion module. The ultrasound energy conversion module comprises ultrasound transducers or tweeters. The image picking unit is used for picking up the three-dimensional (3D) and the 3D blood vessel photographic images of the tissue or organ where the target cells locate. The image merging unit is used for merging the 3D structure images into the 3D blood vessel photographic images, therefore choosing a blood vessel passage fully covering the target cells for transmitting the macromolecule substances. The injection unit is used for injecting liquid and transmitting the macromolecule substances to the target cells. The energy conversion module is used for exerting energy to activate the liquid to perform biological effects. The energy conversion module comprises ultrasound transducers or tweeters, thereby forming non-permanent holes in the cell membranes of the target cells. The macromolecule substances enter into the target cells through the non-permanent holes. | 03-24-2011 |
20110077502 | BIO-MEDICAL UNIT AND SYSTEM WITH ELECTROMAGNETIC POWER HARVESTING AND COMMUNICATION - A medical system includes a transmitter unit, a bio-medical unit, and a receiver unit. The transmitter unit generates a magnetic resonance imaging signal and a downstream electromagnetic communication signal. The transmitter unit then modulates the downstream electromagnetic communication signal on the magnetic resonance imaging signal. The bio-medical unit receives the modulated magnetic resonance imaging signal and recovers, therefrom, the downstream electromagnetic communication signal. The bio-medical unit converts the downstream electromagnetic communications signal into downstream information. The bio-medical also converts upstream information into an upstream electromagnetic communication signal. The receiver unit receives the modulated magnetic resonance imaging signal and the upstream electromagnetic communication signal. The receiver unit then recovers the magnetic resonance imaging signal from the modulated magnetic resonance imaging signal and the upstream information from the upstream electromagnetic communication signal. | 03-31-2011 |
20110077503 | Automatic MRI Quantification of Structural Body Abnormalities - Disclosed herein are methods and systems related to the body region analysis. In some forms, the analysis relates to body region abnormalities. In some forms, the methods and systems analyze and assign comparison scores (such as Z-score) to an image of a body region. In some forms, the comparison score is plotted voxel-by-voxel. In some forms, the computers and systems are adapted to execute the methods disclosed herein | 03-31-2011 |
20110077504 | SYSTEM AND METHOD FOR ROBOTIC SURGICAL INTERVENTION - A system and method for image guided assisted medical procedures. The system and method may utilize MRI real time guidance during the above procedures. | 03-31-2011 |
20110077505 | APPARATUS AND METHOD FOR IMAGING TISSUE - A device and method for imaging body tissue, the device comprising a catheter for accessing body cavities having a catheter end, the catheter end having there within an ionizing radiation source for emitting ionizing radiation; and at least one ionizing radiation detector for detecting ionizing radiation; and wherein preferably a signal is emitted by the ionizing radiation source, said signal comprising photons or electrons, said photons or electrons are reflected from the body tissue or provoke the body tissue to generate photons or electrons. | 03-31-2011 |
20110082362 | IMAGE-MONITORING METHOD FOR ELECTROPORATION TREATMENT AND AS ASSOCIATED IMAGE-MONITORING APPLIANCE - An image-monitoring method for an electroporation treatment with an electroporation appliance is provided. The electroporation appliance comprises at least two treatment electrodes and an image-monitoring appliance. At least one image monitoring measurement is performed by the image-monitoring appliance after the administration of a contrast agent and after the electroporation treatment. | 04-07-2011 |
20110082363 | METHOD AND SYSTEM FOR PERFORMING BIOPSIES - A method and system for performing biopsies can include an imaging system (190) for obtaining diagnostic images of a target region (200); a tracking system (100); a probe (75) having a deployable biopsy needle for performing a biopsy procedure where the tracking system generates tracking information for at least one of the probe and the biopsy needle; an ultrasound imaging system (50) for obtaining ultrasound imaging of the target region; and a computer (150) in communication with the tracking system, the imaging system and the ultrasound imaging system. The computer can register the tracking system with the imaging system. The computer transfers a marking (500) of a biopsy site associated with the biopsy procedure from the ultrasound imaging to the diagnostic images based on the tracking information and the registration of the tracking system with the diagnostic images. | 04-07-2011 |
20110087088 | COMPUTER-ASSISTED IDENTIFICATION AND TREATMENT OF AFFECTED ORGAN TISSUE - Computer-assisted processes are disclosed for using nuclear medicine image studies (e.g. PET or SPECT), preferably in combination with anatomic image studies (e.g., CT or MRI), to identify and quantify regions of affected organ tissue (e.g., myocardial infarcts), and to calculate doses of stem cells or other therapy to deliver to such regions. The resulting (static) image data showing the affected tissue may also be integrated with live (moving) image data, such as a fluoroscopy image, during a subsequent interventional procedure to generate a hybrid image showing the real time location of an injection catheter relative to the affected tissue. | 04-14-2011 |
20110087089 | MULTIPLE MODALITY COMPUTER AIDED DIAGNOSTIC SYSTEM AND METHOD - A diagnostic system having an image loader including a processor for processing multiple modality images, at least one of the multiple modality images being a mammogram image, the processing including generating diagnostic information based on a computer aided diagnostic tool and an image viewer simultaneously displaying the multiple modality images. | 04-14-2011 |
20110087090 | RADIATION THERAPY SYSTEM WITH REAL TIME MAGNETIC RESONANCE MONITORING - A radiation therapy system comprises: a radiation therapy subsystem ( | 04-14-2011 |
20110092799 | Active implant medical device (AMID) and medical imaging scanner communications involving patient-specific AIMD configuration - A communications link between an active implanted medical device (AIMD) and a magnetic resonance imaging (MRI) machine enables an information exchange including data relating to a configuration of a lead of the AIMD as installed in the patient and/or an operational parameter limit of the MRI machine determined from the data. The data relating to the configuration of the lead in the patient may include a size and/or position of an effective loop area enclosed by the lead. The data relating to the configuration of the lead in the patient may include data corresponding to a pictorial representation, such as an x-ray of the patient having the AIMD, of the lead and at least part of the patient's body. An operation of the MRI machine may be stopped or a warning/alarm initiated if the operational parameter limit (e.g., maximum power limit of a gradient or RF field) determined from the data relating to the configuration of the lead in the patient is exceeded. | 04-21-2011 |
20110092800 | Methods for modifying electrical currents in neuronal circuits - A method for modifying neuronal activity in a subject with focused ultrasound pulses (“FUP”) is provided. Such a methods is applicable for research, treatment, and diagnosis of psychiatric, neurological, and neuroendocrine disorders whose biological mechanisms include neuronal circuits in the brain. The application of focused ultrasound pulses is generally via multiple ultrasound transducers that are housed in a cap worn by the subject. The application of FUP at different tone burst duration, total sonication duration, and pulse repetition frequency settings results in either the inducement of either an increase or decrease in neuronal activity. | 04-21-2011 |
20110098554 | Monitoring of convection enhanced drug delivery - A method for determining a response of a tissue to a destructive treatment is disclosed. The method comprises providing magnetic resonance images of the tissue, and using the magnetic resonance images for determining the response of the tissue to the destructive treatment. Also disclosed is a method for monitoring convection during direct convective interstitial infusion using a pharmaceutical composition which comprises a therapeutic agent and an MRI contrast agent. | 04-28-2011 |
20110098555 | Auscultation apparatus, auscultation method, and medical examination and diagnostic device - An auscultation apparatus including an optical microphone is proposed. Optical microphones can reliably acquire sounds of the most disparate frequencies even in an environment permeated by electromagnetic fields, without influencing said fields. Such an optical microphone of an auscultation apparatus can be disposed inside a medical examination and diagnostic device during operation. Given a suitable arrangement, both the heart sounds and the respiratory sounds of a patient can be recorded and monitored already with just one optical microphone. | 04-28-2011 |
20110105889 | NANOPARTICLE LABELING AND SYSTEM USING NANOPARTICLE LABELING - A nanoparticle labeling which is simultaneously usable in the combination of X-ray imaging with optical imaging and the combination of X-ray imaging and optical imaging with magnetic resonance imaging characterized by comprising core/shell type semiconductor nanoparticles having an average shell thickness of 0.1 nm or more but not more than 10.0 nm together with an X-ray sensitive material for the former combination, and core/shell type semiconductor nanoparticles having an average shell thickness of 0.1 nm or more but not more than 10.0 nm together with an X-ray sensitive material and magnetic particles for the latter combination. | 05-05-2011 |
20110112394 | NEUROMODULATION OF DEEP-BRAIN TARGETS USING FOCUSED ULTRASOUND - Disclosed are methods and systems for non-invasive deep brain or superficial neuromodulation for up-regulation or down-regulation using ultrasound impacting one or multiple points in a neural circuit to produce Long-Term Potentiation (LTP) or Long-Term Depression (LTD) to treat indications such as neurologic and psychiatric conditions. Ultrasound transducers are positioned by spinning them around the head on a track, as well as individually rotated or not, with control of direction of the energy emission, intensity, frequency, and phase/intensity relationships to targeting and accomplishing up-regulation and/or down-regulation. Alternatively the ultrasound transducers may be at fixed locations on the track. Use of ancillary monitoring or imaging to provide is optional. | 05-12-2011 |
20110112395 | MEASUREMENT DEVICE AND MEASUREMENT METHOD - A measurement device and measurement method make it possible to eliminate the load generated by stopping on a measurement subject that is moved among multiple magnetic field generating devices. The measurement device includes a first external magnetic field generating device that generates a magnetic field of a set size, a second external magnetic field generating device that generates a magnetic field of a size that differs from that of the magnetic field of the first external magnetic field generating device, a rotating table that causes the subject of measurement to pass in sequence through the magnetic fields of the first and second external magnetic field generating devices by causing the subject of measurement to move rotationally, and an OMRI measurement processing part and MRI measurement processing part that measures images such as functional images or structural images of the subject of measurement while it is being moved rotationally by the rotating table. | 05-12-2011 |
20110118587 | OPTIMIZATION OF RF TRANSMIT AND GRADIENT MAGNETIC FIELD IMAGING USING RADIO FREQUENCY AND GRADIENT COILS - The invention provides various systems, machine readable programs and methods for performing imaging using a MR scanner. The MR scanner includes at least one local radio-frequency transmit coil and at least one local gradient coil. The local radio-frequency transmit coil(s) and local gradient coil(s) cooperate to define an imaging volume. The MR scanner further includes a control system for performing an imaging operation on a patient's anatomy disposed within the imaging volume. The control system permits a selective simultaneous increase of the gradient magnetic field strength and peak B1 field strength by substantially the same factor, f. | 05-19-2011 |
20110118588 | Combination MRI and Radiotherapy Systems and Methods of Use - A combination MRI and radiotherapy system comprising: a) an MRI system for imaging a patient receiving radiotherapy, comprising a magnetic field source suitable for generating a magnetic field of strength and uniformity useable for imaging, capable of being ramped up to said magnetic field in less than 10 minutes, and ramped down from said magnetic field in less than 10 minutes; b) a radiation source configured for applying radiotherapy; and c) a controller which ramps the magnetic field source down to less than 20% of said magnetic field strength when the radiation source is to be used for radiotherapy, and ramps the magnetic field source up to said magnetic field strength when the MRI system is to be used for imaging. | 05-19-2011 |
20110137147 | MINIMUM TIME FEEDBACK CONTROL OF EFFICACY AND SAFETY OF THERMAL THERAPIES - A thermal treatment control system including an imaging device for specifying the geometry and/or location of the treatment target, a thermal energy element for applying a thermal treatment for the heating or cooling of a target tissue for therapeutic purposes, a thermal energy detecting element for detecting a measured tissue response to the thermal treatment and a feedback controller for a real-time modification of the intensity and spatial distribution of the thermal dose in order to achieve therapeutic efficacy over a minimum or reduced treatment time while satisfying treatment constraints imposed to limit damage to normal tissues. | 06-09-2011 |
20110137148 | Method and device comprising fused ultrasound and magnetic resonance imaging - A device and method for concurrently obtaining ultrasound and MRI image data are disclosed. A probe member comprises ultrasound imaging means at a first predetermined position on the probe member and an MRI coil at a second predetermined position on the probe member. An MRI imaging system having an MRI pulse sequence comprising an MRI image data acquisition period and an MRI pulse sequence time gap generates an MRI image data set. An ultrasound image data set is acquired only during the MRI pulse sequence time gap in which the operation of the ultrasound imaging means does not interfere with the MRI imaging operation. | 06-09-2011 |
20110137149 | NERVE TREATMENT SYSTEM - A method of treatment includes delivering an agent into a patient, and providing energy inside the patient so that the energy can interact with the agent to treat a nerve. A system for treatment includes a source of agent for delivery into a patient, and an energy source for providing energy inside the patient so that the energy can interact with the agent to treat a nerve. | 06-09-2011 |
20110144475 | METHOD FOR A REGULATION OF A VASCULAR INTERVENTION, AND DEVICE TO REGULATE A VASCULAR INTERVENTION - In a method and apparatus to regulate a vessel intervention conducted with a vessel intervention unit, wherein an intervention region of the vessel intervention is at least partially imaged by means of an imaging monitoring unit, and a monitoring region to monitor the vessel intervention is selected, and the vessel intervention is at least partially automatically regulated in the intervention region dependent on at least one characteristic variable identified in the monitoring region. | 06-16-2011 |
20110144476 | Integrated Surgical Sampling Probe - The present invention is directed to devices for collecting tissue samples from patients. The devices create tissue fragments which are then collected by aspiration. The devices include signal emitters that allow the exact position where a biopsy sample was obtained to be determined. In addition the invention includes methods for obtaining tissue samples using these devices. | 06-16-2011 |
20110152666 | TARGETED THERMAL TREATMENT OF HUMAN TISSUE THROUGH RESPIRATORY CYCLES USING ARMA MODELING - The present application discloses a technique for targeting therapeutic thermal energy to human tissue that is subject to displacement during a respiratory cycle using ARMA modeling. It discloses using an ARMA treatment of MRI tracking data of salient features of the tissue of interest to predict the spacial position of the portion of the tissue to be treated and using this prediction to guide the application of the thermal energy. It also discloses that this technique is particularly useful when the tissue of interest undergoes elastic deformation in a respiratory cycle and high energy focused ultrasound (HIFU) is used to ablate diseased tissue such as a cancerous tumor. | 06-23-2011 |
20110152667 | MRI gradient field detector - A device and a method are disclosed for detecting electromagnetic fields, in particular, fields occurring in magnetic resonance tomography (MRT) or magnetic resonance imaging (MRI) tests. An implantable medical device (IMD), contained in a hermetically sealed housing, includes a control unit, a programming coil, and a communication unit, wherein the communication unit, together with the programming coil, is designed to allow communication between an external programming device and the IMD by utilizing alternating electromagnetic fields, and further comprising a detection unit for MRT interference fields, characterized in that the detection unit is designed in such a way that voltage profiles induced in the programming coil and originating from a pulsed alternating electromagnetic field of the MRT (gradient field) are detected, and a corresponding MRT detection signal is transmitted from the detection unit to the control unit, if communication with a programming device is not detected at the same time. | 06-23-2011 |
20110160565 | DETECTING PROXIMITY TO MRI SCANNER - A plurality of separate indications of a scanner field can be received using a corresponding plurality of scanner field sensors of an implantable medical device (IMD). In an example, the IMD can be switched from a first therapy mode to a second therapy mode using one or more of the plurality of scanner field sensors, and from the second therapy mode back to the first therapy mode using each of the plurality of scanner field sensors. In certain examples, shock therapy can be terminated or inhibited using a detected proximity of the IMD to a magnetic resonance imaging (MRI) scanner, or antitachycardia pacing (ATP) can be terminated or inhibited using a detected active scan of the MRI scanner. | 06-30-2011 |
20110160566 | MRI AND ULTRASOUND GUIDED TREATMENT ON A PATIENT - A method is provided for guiding a procedure on a region of interest in a body part of patient, where the body part moves within the patient by breathing, cardiac or other action. The procedure includes radiation therapy, or guidance of a probe for example for biopsy or brachytherapy. The method includes using an MRI system to obtain an MR image of the body part, during the procedure on the body part of the patient, obtaining real time ultrasound images of the body part of the patient as the body part moves within the body of the patient, registering the MR image of the body part with the ultrasound image of the body part so as to locate the region of interest in the ultrasound image of the body part and using the registered images to target the action to the region of interest as the body part moves. | 06-30-2011 |
20110160567 | FUNCTIONAL MRI CARDIAC OPTIMIZATION - An implantable or other ambulatory device, such as a pacer, defibrillator, or other cardiac function management device, can use imaging information, such as one or more of cardiac functional magnetic resonance imaging (fMRI) information or cardiac magnetic resonance imaging (MRI) information, such as for helping optimize one or more parameters of the implantable or other ambulatory device. | 06-30-2011 |
20110166437 | RECEIVING SURFACE COILS USED DURING THERMAL ABLATION PROCEDURE - A magnetic resonance imaging system to be used over a target area of a subject includes first and second RF coils for receiving an RF signal from the subject. The first RF coil is fixed to a position device and movable over the target area of subject. The second RF coil is larger than the first RF coil and has a larger field of view than the first RF coil. The system further includes an image processing device programmed to process RF signals coupled from the first RF coil and the second RF coil to form an MRI image. | 07-07-2011 |
20110166438 | RF FIELD SHAPING AND ATTENUATION FOR EMAI INDUCTION ELEMENTS - An Electro-Magnetic Imaging (EMAI) System is presented. EMAI systems can include induction elements (e.g., an induction coil) configured to induce a target tissue to generate internally sourced ultrasounds. The induction elements can be shielded by one or more shielding elements to shape, or otherwise alter, an imaging field while attenuating radiated fields in a far zone. EMAI systems can further include a shield tuner to adjust shield parameters to achieved desired imaging or radiated field properties. A shielding element can be placed approximately one induction coil radius away from the coil to achieve suitably strong imaging field magnitudes while also achieving suitably weak radiated field magnitudes in a far zone. In some embodiments, acoustic sensors lack substantial shielding from the fields generated by the induction elements. | 07-07-2011 |
20110166439 | MEDICAL INSTRUMENT - The invention relates to a medical instrument that can be inserted into a human or animal body. The medical instrument includes an instrument body having at least one poor electrically conducting rod-type body made of a matrix material and non-metallic filaments. The medical instrument is characterized in that the rod-shaped body is doped with X-ray marker particles, and the medical instrument includes an MR-marker, or the instrument body includes an immobilized active MR marker in the surface area. | 07-07-2011 |
20110166440 | DIAGNOSTIC IMAGING SYSTEM AND METHOD - The invention relates to a diagnostic imaging system. The system encompasses a plurality of scanning apparatuses ( | 07-07-2011 |
20110172517 | METHOD FOR DETERMINING INFORMATION USED AS THE BASIS FOR CALCULATING A RADIOTHERAPY TREATMENT PLAN AND COMBINED MAGNETIC RESONANCE IMAGING/PET DEVICE - A method for determining information used as the basis for calculating a radiotherapy treatment plan. In at least one embodiment, the method includes essentially simultaneous capture of PET data and magnetic resonance imaging data using a combined magnetic resonance imaging/PET device and determination of at least one magnetic resonance imaging data set and at least one PET data set from the data; and determination of a distortion-corrected magnetic resonance imaging data set and an attenuation data set from the magnetic resonance imaging data, whereby PET data is taken into consideration during the distortion correction and/or during the determination of the attenuation data set. | 07-14-2011 |
20110178387 | Method For Recording And Evaluating PET Data Recorded At The Same Time as Magnetic Resonance Data Using A Combined Magnetic Resonance/PET Apparatus, And A Combined Magnetic Resonance/PET Apparatus - A method is disclosed for recording and evaluating PET data recorded at the same time as magnetic resonance data using a combined magnetic resonance/PET apparatus, wherein in the context of a pulse sequence for recording the magnetic resonance data a magnetic resonance recording facility, including at least one gradient coil and at least one high-frequency coil, is activated. In at least one embodiment, the method includes recording the PET data and assigning the recorded PET data after the recording time point to at least two data groups assigned to a predetermined operating state of the magnetic resonance recording facility; for each data group, determining a measure of similarity of the PET data contained therein to the PET data as a whole and/or to PET data of at least one further data group, whereby if the measure of similarity is below a threshold value, the PET data of the data group is rejected and/or further evaluated separately. | 07-21-2011 |
20110178388 | MAGNETIC RESONANCE IMAGING APPARATUS - According to one embodiment, an image processing apparatus includes a storage unit configured to store data of a series of images associated with a range including a heart and diaphragm of an object, a moving amount generating unit configured to generate a temporal change in moving amount of the diaphragm and a temporal change in moving amount of the heart from the series of images, and a ratio calculation unit configured to calculate a ratio of the moving amount of the heart to the moving amount of the diaphragm. | 07-21-2011 |
20110178389 | FUSED IMAGE MOLDALITIES GUIDANCE - An improved system and method (i.e. utility) for registration of medical images is provided. The utility registers a previously obtained volume (s) onto an ultrasound volume during an ultrasound procedure to produce a multimodal image. The multimodal image may be used to guide a medical procedure. In one arrangement, the multimodal image includes MRI information presented in the framework of a TRUS image during a TRUS procedure. | 07-21-2011 |
20110178390 | Novel needle driver for magnetic resonance elastography - The present invention is directed toward an acoustic, piezoelectric, electric, electro-mechanical or pneumatically driven surface drum driver, in mechanical engagement with a biopsy or acupuncture needle device and a method for its use for diagnosis of small e.g. 100 microns, tumors via the production of magnetic resonance elastographic images (MRE), without artifact production, in a magnetic resonance imaging (MRI) machine. In a second embodiment, the invention is directed toward an acoustically, pneumatically, piezoelectrically, electrically and/or electro-mechanically driven acupuncture needle, useful for simulating manual single-needle acupuncture treatments via a non-manually manipulated acupuncture needle; and further to a device and process for determination, using twin pneumatically driven surface drivers, of organ stiffness, e.g. brain stiffness, which can be quantified so as to be useful in elucidating and quantifying brain cognitive state, e.g. normal, mild cognitive impairment (MCI) or Alzheimer's dementia (AD). | 07-21-2011 |
20110178391 | SYSTEM AND METHOD FOR ULTRASOUND THERAPY TREATMENT - A system and method for treating tissue, such as treating prostate diseases, using an ultrasound therapy system. An ultrasonic applicator ( | 07-21-2011 |
20110190621 | Methods and Systems for Regional Synchronous Neural Interactions Analysis - Systems and methods for quantifying neurophysiologic activity of a subject. A set of subject data representing a time series of neurophysiologic activity acquired by each of a multiplicity of spatially distributed sensors arranged to detect neural signaling in the subject is received. A time series of data obtained from each of the sensors is associated with a corresponding neural population within the brain of the subject. Interaction sets among at least two neural populations in the brain of the subject are determined based on a statistical analysis of a plurality of time series of data from a corresponding plurality of sensors. A plurality of regional groupings of neural populations is stored, with each one of the plurality of regional groupings encompassing a plurality of neural populations having a predefined relationship. An aggregated representation of cross-regional interactions between the neural populations across a selected plurality of the regional groupings is produced based on a selected subset of the interaction sets. | 08-04-2011 |
20110196226 | Apparatus Having a Combined Magnetic Resonance Apparatus and Radiation Therapy Apparatus - An apparatus having a combined magnetic resonance apparatus is proposed. The magnetic resonance apparatus features at least one main magnet for generating a main magnetic field in an examination space for a magnetic resonance measurement, and a radiation therapy apparatus, which is provided to generate a particle beam and which features a beam guide. The magnetic resonance apparatus features an essentially magnetic-field-free region and the beam guide for the particle beam runs along the essentially magnetic-field-free region. | 08-11-2011 |
20110196227 | Apparatus with a Combination of a Magnetic Resonance Apparatus and a Radiotherapy Apparatus - An apparatus with a combination of a magnetic resonance apparatus is proposed. The apparatus has at least one main magnet for generating a magnetic field in an examination area for a magnetic resonance measurement and a radiotherapy apparatus which is designed for generating a particle beam. A direction of a speed of the particle beam is aligned substantially in parallel to a direction of a magnetic flux density of the magnetic field. | 08-11-2011 |
20110196228 | PET-MRI HYBRID APPARATUS AND METHOD OF IMPLEMENTING THE SAME - There is provided a PET-MRI hybrid apparatus and method for integrating a PET image and an MRI image so that anatomical, hemodynamical and molecular information on human tissues are simultaneously presented in a single image. The PET-MRI hybrid system comprises a first scanner for obtaining anatomical and hemodynamical information, and a second scanner for obtaining molecular and functional information on the human tissues. Along a path between the first scanner and the second scanner, a transferring railway system which includes runs, and a movable bed for supporting a subject installed on the railway. The PET-MRI hybrid system also comprises a “RF+magnetic” shield and a “magnetic” shield between path between the first scanner and the second scanner, which switch between an open status and a close status in a completely synchronized manner to assure a complete magnetic shield for the PET system at any given time. The subject is fastened on the bed and transferred along the railway between the first and second scanner to provide accurately fused MRI and PET images. | 08-11-2011 |
20110201918 | Radiotherapy and imaging apparatus - A radiotherapy system comprises a patient support, moveable along a translation axis, an imaging apparatus, comprising a first magnetic coil and a second magnetic coil, the first and second magnetic coils having a common central axis parallel to the translation axis, and being displaced from one another along the central axis to form a gap therebetween, the imaging apparatus being configured to obtain an image of a patient on the patient support and a source of radiation mounted on a chassis, the chassis being rotatable about the central axis and the source being adapted to emit a beam of radiation through the gap along a beam axis that intersects with the central axis, the beam having a first extent in a first direction parallel to the central axis, and a second, greater extent in a second direction transverse to the central axis. | 08-18-2011 |
20110201919 | Radiotherapy and imaging apparatus - Radiotherapy apparatus comprises a source of radiation mounted on a chassis, the chassis being rotatable about a rotation axis and the source being adapted to emit a beam of radiation along a beam axis that intersects with the rotation axis; a patient support, moveable along a translation axis; a set of magnetic coils located on either side of the beam, for establishing a magnetic field at the point of intersection, spaced from that point along a first direction; the translation axis, the rotation axis, and the first direction being substantially parallel; and further comprising a multi-leaf collimator fixed in its orientation with respect to the source of radiation, the multi-leaf collimator comprising a plurality of elongate leaves disposed with their longitudinal directions substantially aligned with the first direction and movable in that direction between a withdrawn position in which the leaf lies outside the beam, an extended position in which the leaf projects across the beam and a plurality of intermediate positions therebetween. | 08-18-2011 |
20110201920 | Radiotherapy and imaging apparatus - A radiotherapy system comprises a patient support, moveable along a translation axis, an imaging apparatus, comprising a first magnetic coil and a second magnetic coil, the first and second magnetic coils having a common central axis parallel to the translation axis, and being displaced from one another along the central axis to form a gap therebetween, the imaging apparatus being configured to obtain an image of a patient on the patient support, a source of radiation mounted on a chassis, the chassis being rotatable about the central axis and the source being adapted to emit a beam of radiation through the gap along a beam axis that intersects with the central axis, a multi-leaf collimator comprising a plurality of elongate leaves movable between at least a withdrawn position in which the leaf lies outside the beam, and an extended position in which the leaf projects across the beam, and a radiation detector mounted to the chassis opposite the source, the radiation detector having a plurality of detector elements aligned with the elongate leaves when projected onto an isocentric plane. | 08-18-2011 |
20110213239 | Combined Radiation Therapy and Magnetic Resonance Unit - The invention relates to a combined radiation therapy and magnetic resonance unit. For this purpose, in accordance with the invention a combined radiation therapy and magnetic resonance unit is provided comprising a magnetic resonance diagnosis part with an interior, which is limited in radial direction by a main magnet, and a radiation therapy part for the irradiation of an irradiation area within the interior, wherein at least parts of the radiation therapy part, which comprise a beam deflection arrangement, are arranged within the interior. | 09-01-2011 |
20110218420 | RADIATION THERAPY SYSTEM - A radiation therapy System comprises a magnetic resonance imaging (MRI) apparatus and a linear accelerator capable of generating a beam of radiation. The linear accelerator is immersed in and oriented with respect to the MRI magnetic field to expose the linear accelerator to magnetic force that directs particles therein along a central axis thereof. | 09-08-2011 |
20110218421 | DEVICE AND METHOD FOR REDUCING THE HEART RATE OF A PATIENT, AND APPARATUS HAVING THE DEVICE - A device is disclosed for stimulating the trigeminal nerve of a patient in order to reduce the heart rate of the patient for recording image information from the heart of the patient. In at least one embodiment, the device includes at least one device for mechanical, electrical, magnetic, thermal, optical and/or chemical stimulation of the trigeminal nerve. Furthermore, at least one embodiment relates to an apparatus including at least one such device and a unit for registering the heart rate of the patient, which unit interacts with the device. Furthermore, at least one embodiment moreover relates to a method for reducing the heart rate of a patient in order to record image information from the heart of the patient, in which method the trigeminal nerve of the patient is stimulated by at least one such device in order to lower the heart rate of the patient. | 09-08-2011 |
20110218422 | ELECTRICAL LEAD FOR AN ELECTRONIC DEVICE SUCH AS AN IMPLANTABLE DEVICE - A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a second segment of electrical wire. The lead also includes one or more shielded RF chokes, wherein each of the shielded RF chokes is provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the one or more pairs of adjacent segments. Also, an implantable device that includes a generator for generating one or more electrical pulse and a lead as described for delivering the pulses to tissue within a patient's body. A method for making the described implantable device is also provided. | 09-08-2011 |
20110218423 | WEARABLE ULTRASOUND PROBE ASSEMBLY AND METHOD OF MANUFACTURING SAME - A wearable ultrasound probe apparatus includes a wearable membrane. An ultrasound transducer is also included that is integrated into the wearable membrane and configured to maintain a substantially consistent contact with a surface of an object to be imaged when the object has the wearable membrane disposed thereon. | 09-08-2011 |
20110224534 | PET/MRI DEVICE, PET DEVICE, AND IMAGE RECONSTRUCTION SYSTEM - A PET/MRI device includes an MRI device that has a measurement port, a PET detector that can be inserted into the measurement port, and a mechanism that can slide the PET detector into and out of the MRI measurement port. Thereby, the PET/MRI device allows MRI measurement during PET measurement. | 09-15-2011 |
20110224535 | MAGNETIC RESONANCE-ASSISTED BIOPSY EXAMINATION METHOD, AND A MAGNETIC RESONANCE SYSTEM FOR IMPLEMENTING THE METHOD - In a magnetic resonance-assisted biopsy method for a biopsy examination, using magnetic resonance measurement executed by a magnetic resonance measurement unit and a biopsy unit and a computer console, the computer console is located separately from the magnetic resonance measurement unit, the following steps are implemented: | 09-15-2011 |
20110230753 | Fluid circuits for temperature control in a thermal therapy system - A system and method for fluid control in a thermal therapy system is disclosed. A fluid circuit permits passage of a fluid through a fluid circuit, including into and out of a treatment zone so as to cool or heat or maintain a temperature in said treatment zone at or near a desired temperature. The temperature is sensed at a point in the circuit between a discharge of a fluid pump and the treatment zone. MRI based thermometry of tissue in the treatment zone is accomplished in some aspects. Furthermore, a desired temperature may be programmably set to a given value or within a band of values using a processor and a temperature controller. In some aspects, leakage of fluid from a patient or from the fluid control system is captured by a leak-proof member to protect imaging and treatment equipment from damage. | 09-22-2011 |
20110230754 | THERAPEUTIC APPARATUS - A therapeutic apparatus comprising: a magnetic resonance imaging system adapted for acquiring a set of magnetic resonance imaging data in an imaging zone, wherein the magnetic resonance imaging system comprises a means for generating a magnetic field, a guiding means adapted for guiding a beam of charged particles to a target zone within a subject such that the beam encloses an angle with the magnetic field lines of the magnetic field within the imaging zone, the angle being between 0 degrees and 30 degrees, wherein the imaging zone comprises the target zone, a zone determination means for determining the location of the target zone within the subject using the set of magnetic resonance imaging data. | 09-22-2011 |
20110237930 | MRI compatible motor and positioning system - A thermal therapy system is provided. The system includes an applicator and a device for supporting and moving the applicator within a patient's body during therapy. Some embodiments include an elongated ultrasound energy applicator that is positioned using a plurality of positioners along a corresponding plurality of axes. Also, a rotational driver or motor is provided to rotate the thermal therapy applicator in the patient's body during treatment. The apparatus is constructed of magnetically-compatible materials and has a design to avoid or minimize interference between the drive components of the apparatus and a MRI imaging system in use during the treatment. | 09-29-2011 |
20110245656 | Arterial spin labeling MRI-based correction factor for improving quantitative accuracy of blood flow and volume images - Arterial spin labeling MRI is used to provide a patient specific correction factor to correct a image provided by a non-ASL imaging modality (e.g., DSC MRI). More specifically, a first blood flow image is taken using the non-ASL imaging modality, and a corresponding second blood flow image is taken with ASL. Some or all of the voxels in the first image are selected according to a predetermined selection method. A correction factor (CF) is computed to be the ratio of second image BF to first image BF averaged over the selected voxels. Thus, CF is the average of ASL/non-ASL blood flow over the selected voxels. This correction factor is applied to all voxels of an image equally, but can differ from patient to patient. This correction can be applied to one or more non-ASL blood flow images. | 10-06-2011 |
20110251478 | MOTION DETECTION IN MEDICAL SYSTEMS - In a medical system, at least one medically operative member ( | 10-13-2011 |
20110251479 | USE OF VENTRICULAR ENLARGEMENT RATE IN INTRAVENOUS IMMUNOGLOBULIN TREATMENT OF ALZHEIMER'S DISEASE - The present invention relates to the use of MRI monitoring of ventricular enlargement rate as an objective measure for the purpose of assessing disease progression in patients suffering from Alzheimer's disease and for the purpose of determining therapeutic effectiveness of a treatment regimen for Alzheimer's patients. Methods for treating Alzheimer's Disease and monitoring therapeutic effectiveness are provided. | 10-13-2011 |
20110251480 | Movable Integrated Scanner for Surgical Imaging Applications - A patient imaging system includes a patient support table, an MRI system including a cylindrical magnet and a PET system including positron detectors mounted in a ring. The magnet defines a cylindrical bore for receiving the patient on the table where the magnet is mounted for rotation about a vertical axis on a slew ring carried on rails allowing longitudinal movement. The PET ring is mounted in the bore for longitudinal movement. The quench tube for the magnet passes through the slew ring with a rotary union at the axis. The shielding covers include a fixed upper part and a lower part which rotates about the axis with the magnet. The magnet is arranged in a two or three room diagnostic configuration in which a holding bay houses the magnet and the diagnostic patients are organized in the three rooms each cooperating with the magnet bay as the magnet is rotated. | 10-13-2011 |
20110257508 | Device For Supporting, Scanning, Tomographically Displaying A Patient And Carrying Out An Intervention And Method For Determining The Spatial Relation Between Optical Recordings And Tomographic Displays - A device is disclosed for supporting, scanning, tomographically displaying a patient and carrying out an intervention. In at least one embodiment, for the device includes a computer system to: calculate the spatial position of at least one intervention channel in spatial relation to the patient couch and/or to the patient on the basis of previously obtained positional information on the at least one tomographic display of the patient; output the respectively current optical recordings of the patient on the patient couch online; and superpose the current optical recordings of the patient with a spatially adapted display of the intervention channel and/or intervention target point and/or an intervention instrument directed at the intervention channel. Moreover, a method is disclosed for determining the spatial relation between optical recordings and tomographic displays, with the aid of an adjustment phantom with at least three points in space that can be identified visually and at least three points in space that can be identified by the tomographic recording system, the mutual relative spatial positions of which are known. | 10-20-2011 |
20110257509 | COORDINATION OF FUNCTIONAL MRI SCANNING AND ELECTRICAL STIMULATION THERAPY - Changes in electrical stimulation therapy delivered via a medical device are coordinated with Functional Magnetic Resonance Imaging (fMRI) scans. In one example, a medical device delivers electrical stimulation therapy to a patient in an MRI unit, where the medical device is configured to cycle electrical stimulation therapy between a plurality of stimulation states. An indication that the medical device will cycle the electrical stimulation therapy or has cycled the electrical stimulation therapy while the patient is in the MRI unit or being imaged by the MRI unit is generated, and an MRI scan of the patient via an MRI workstation is initiated based on the indication. In another example, a medical device detects activation of an MRI scan and automatically switches stimulation states based upon the detection of the MRI scan, such that the scan is associated with a particular stimulation state. | 10-20-2011 |
20110257510 | SYSTEM, METHOD AND APPARATUS FOR CARDIAC INTERVENTION WITH MR STROKE DETECTION AND TREATMENT - A system for the early detection and treatment of catheter-induced ischemic strokes includes a magnetic resonance system ( | 10-20-2011 |
20110257511 | GENERAL INDUCTIVE HANDPIECE FOR ACTIVE DEVICES - A handpiece ( | 10-20-2011 |
20110257512 | SUSCEPTIBILITY-BASED LOCAL FLOW DETECTION TO CONTROL MR-GUIDED ABLATION USING BALLOON DEVICES - An interventional instrument ( | 10-20-2011 |
20110263965 | PET DETECTOR MODULE USING GAPD COMPOSED OF LARGE AREA MICRO-CELLS - Provided is a positron emission tomography (PET) detector module using Geiger-mode avalanche photodiode (GAPD) as a photosensor. The PET detector module includes: a PET detector unit comprising a scintillation crystal detecting gamma rays emitted from a living body and converting them into a flash of light and a first GAPD photosensor and a second GAPD photosensor each being connected to either end of the scintillation crystal and converting the light flash into an electrical signal; and a reaction depth determination unit receiving the signals from the PET detector unit and comparing amplitude of the signals detected by the first GAPD photosensor and the second GAPD photosensor, thereby determining the position where the gamma rays are incident on the scintillation crystal (reaction depth). The disclosed PET detector module can provide high energy and high energy and reaction depth data while maintaining linearity. | 10-27-2011 |
20110263966 | Dissipation Device and MRI-Safe Catheter System - A dissipation device having a proximal end, which is located outside the body, and a distal end, which is suited in particular for elongate medical instruments, in particular electrophysiological catheters or temporary electrode leads, placed temporarily in the body. The dissipation device including a dissipation sleeve which extends from the proximal end to the distal end of the dissipation device, and a lumen which extends from the proximal end to the distal end, and in which the instrument can be displaceably guided, wherein the lumen is enclosed by the dissipation sleeve. The dissipation device is characterized in that the dissipation sleeve is composed, at least partially, of electrically conductive material, and/or the dissipation sleeve includes dissipation means composed of electrically conductive material and, therefore, the dissipation sleeve is designed to dissipate or divert electrical energy induced by electromagnetic radiation. | 10-27-2011 |
20110263967 | ULTRASOUND BASED METHOD AND APPARATUS FOR STONE DETECTION AND TO FACILITATE CLEARANCE THEREOF - Described herein are methods and apparatus for detecting stones by ultrasound, in which the ultrasound reflections from a stone are preferentially selected and accentuated relative to the ultrasound reflections from blood or tissue. Also described herein are methods and apparatus for applying pushing ultrasound to in vivo stones or other objects, to facilitate the removal of such in vivo objects. | 10-27-2011 |
20110263968 | Drug-Enhanced Neurofeedback - The present invention relates to techniques and systems for training a subject to modify his or her own neutronal activity within a selected brain region. | 10-27-2011 |
20110270075 | MULTI-SEGMENT ULTRASOUND TRANSDUCERS - Disclosed are systems and methods for focusing ultrasound transducers that include multiple separate, independently movable transducer segments. | 11-03-2011 |
20110270076 | METHOD FOR REMOVING NOISE OF PET SIGNAL USING FILTERING IN PET-MRI FUSION DEVICE AND PET SYSTEM IN PET-MRI FUSION DEVICE USING THE SAME - Provided is a method for removing noise of a positron emission tomography (PET) signal in a PET-magnetic resonance imaging (MRI) fusion device without using an MRI radio frequency (RF) shield that degrades image quality. The method includes: receiving a PET output signal from a PET-MRI fusion device and performing analog filtering by removing noise components due to an RF pulse frequency based on the relationship between the frequency of the PET output signal and a magnetic resonance (MR) RF frequency (Larmor frequency); and converting the filtered signal into a digital signal through sampling. The method allows acquisition of molecular-level images without declined performance of a PET detector in MRI environment. | 11-03-2011 |
20110270077 | METHOD FOR REMOVING NOISE OF PET SIGNAL USING MODELING IN PET-MRI FUSION DEVICE AND PET SYSTEM IN PET-MRI FUSION DEVICE USING THE SAME - Provided is a method for removing noise of a positron emission tomography (PET) signal in a PET-magnetic resonance imaging (MRI) fusion device without using an MRI radio frequency (RF) shield that degrades image quality. The method includes: (a | 11-03-2011 |
20110270078 | METHODS AND SYSTEMS OF COMBINING MAGNETIC RESONANCE AND NUCLEAR IMAGING - An multi-modality imaging system for imaging of an object under study that includes a magnetic resonance imaging (MRI) apparatus and an MRI-compatible single-photon nuclear imaging apparatus imbedded within the RF coil of the MRI system such that sequential or simultaneous imaging can be done with the two modalities using the same support bed of the object under study during the imaging session. | 11-03-2011 |
20110275927 | SYSTEMS AND METHODS FOR STIMULATING AND MONITORING BIOLOGICAL TISSUE - The invention generally relates to apparatuses and methods for stimulating and monitoring biological tissue. In certain aspects, the invention provides a system for stimulating and monitoring tissue, the system including a first energy source, a second energy source, and an imaging device, in which the system is configured such that the first and second energy sources target the same region of tissue and the combined effect of the first and second energy sources stimulates the region of tissue. | 11-10-2011 |
20110282184 | METHOD FOR POSITIONING THE FOCUS OF A GRADIENT FIELD AND TREATMENT FACILITY - A method for guiding nanoparticles to a target location by a magnetic gradient field and/or holding them at the target location is proposed. The magnetic gradient field is generated by a magnet system with at least one magnet. A focus of the magnet system is registered with an X-ray device. At least one three-dimensional image dataset showing the target location is captured by the X-ray device. The position of the target location is determined manually and/or automatically in the image dataset or in an image dataset determined therefrom and is positioned automatically based on the registration of the focus so that the focus coincides with the position of the target location. | 11-17-2011 |
20110288400 | Methods and Systems for Generating Electrical Property Maps of Biological Structures - A method performed at a computer system having one or more processors and memory storing one or more programs for execution by the one or more processors is disclosed. The method includes accessing multiple images of a biological structure, generating an electrical property map of at least a portion of the biological structure in accordance with two or more of the multiple images, and providing at least a subset of the electrical property map. | 11-24-2011 |
20110288401 | BIG BORE PET/MR SYSTEM - A nuclear detector module ( | 11-24-2011 |
20110295105 | SYSTEMS AND METHODS FOR OPENING A TISSUE - Systems and methods for opening a tissue to a target value are disclosed herein. In an exemplary method, a region of the tissue is targeted for opening, a size range of microbubbles corresponding to the target value is determined, microbubbles of the size range are positioned in proximity to the targeted region, and an ultrasound beam is applied to the targeted region such that the tissue is opened with the assistance of the microbubbles to the target value. | 12-01-2011 |
20110301449 | Radiation Treatment Delivery System With Translatable Ring Gantry - Systems, methods, and related computer program products for image-guided radiation treatment (IGRT) are described. For one preferred embodiment, an IGRT apparatus is provided comprising a ring gantry having a central opening and a radiation treatment head coupled to the ring gantry that is rotatable around the central opening in at least a 180 degree arc. For one preferred embodiment, the apparatus further comprises a gantry translation mechanism configured to translate the ring gantry in a direction of a longitudinal axis extending through the central opening. Noncoplanar radiation treatment delivery can thereby be achieved without requiring movement of the patient. For another preferred embodiment, an independently translatable 3D imaging device distinct from the ring gantry is provided for further achieving at least one of pre-treatment imaging and setup imaging of the target tissue volume without requiring movement of the patient. | 12-08-2011 |
20110301450 | MAGNETIC RESONANCE IMAGING MEDIATED RADIOFREQUENCY ABLATION - Radiofrequency ablation (RFA) may be used as a minimally invasive treatment of solid tumors, typically cancers of the liver, lung, breast, kidney and bone, most often via a percutaneous approach. In RFA tumor tissue is killed by heating. RFA requires guidance using an imaging method to correctly position the RF applicator. Magnetic resonance imaging (MRI) can be used for guidance, and offers the additional advantage of the ability to image tissue temperature. Because MRI employs high power RF fields, the MRI scanner could serve as the source of RF energy for ablation. Described herein are an MRI-driven RF ablation device and method. The device has minimal electrical circuitry, and uses the MR scanner radio frequency field as the energy source to generate heat in tissue using an antenna and a needle. Based on the Faraday induction law, different embodiments for coupling the body coil RF energy into tissue are disclosed. | 12-08-2011 |
20110306869 | APPARATUS AND METHOD FOR PRODUCING TOMOGRAPHIC IMAGE - An apparatus and method for producing tomographic image is disclosed. The disclosed apparatus for producing tomographic image comprises: an ultrasonic imaging unit configured to obtain multiple ultrasonic images of a subject; a tomographic imaging unit configured to obtain one or more tomographic image data of the subject; and a tomographic image correction unit configured to produce corrected tomographic image of a tomographic image which can be produced from the one or more tomographic image data by using the multiple ultrasonic images. | 12-15-2011 |
20110306870 | THERAPEUTIC APPARATUS FOR TREATING A SUBJECT USING MAGNETIC NANOPARTICLES - A therapeutic apparatus for treating a subject comprising: a first heating means adapted for heating a first region of the subject, a first control means for controlling the power directed into the first region by the first heating means such that the power stays below a threshold value, a particle heating means adapted for heating magnetic nanoparticles within a second region of the subject using a time varying magnetic field, wherein the first region comprises the second region. | 12-15-2011 |
20110313278 | METHOD OF MAGNETIC RESONANCE-BASED TEMPERATURE MAPPING - An MRI method ( | 12-22-2011 |
20110319747 | MAGNETIC RESONANCE DEVICE FOR USE IN A MAGNETIC RESONANCE-GUIDED ULTRASOUND TREATMENT - A magnetic resonance device for use in a magnetic resonance-guided ultrasound treatment has a magnet housing defining a patient receptacle and including a primary magnet, and an ultrasound device, such as an HIFU device, with a transducer unit, The magnet housing has a receptacle therein for the transducer unit of the ultrasound device, in particular in the region of the homogeneity volume. | 12-29-2011 |
20120004531 | Innately Multimodal Nanoparticles - A gold-coated iron oxide nanoparticle, method of making thereof, and method of using thereof is disclosed. The nanoparticle is substantially toxin free (making it clinically applicable), easily functionalized, and can serve as a contrast agent for a number of imaging techniques, including imaging a subject in at least two distinct imaging modes. Further, the nanoparticle is well-suited for therapeutic uses. | 01-05-2012 |
20120010498 | OPERATION SUPPORTING DEVICE, METHOD, AND PROGRAM - Surgical operation supporting apparatus and method is disclosed in which based on a high-definition tomographic images of an operation site produced before surgery, a three-dimensional model of the operation site is generated, and a surface of the operation site is optically measured during the surgical operation, and further, first position information that represents a three-dimensional position of each of points on the surface is acquired. An unexposed portion of the operation site is measured with ultrasonic waves during the surgical operation, and second position information that represents a three-dimensional position of each of points in the unexposed portion is acquired. Based on the first position information and the second position information, displacement and distortion at a portion whose three-dimensional position is not known in the three-dimensional model is estimated to obtain an estimated result. The three-dimensional model is re-corrected by use of a finite element method and the estimated result. | 01-12-2012 |
20120010499 | USE OF NANOPARTICLES FOR THE TREATMENT OF CANCER - The invention relates to the tracking of mesenchymal stem cells (MSCs) labeled with magnetic nanoparticles using magnetic resonance imaging (MRI) and the use of this method for the treatment of cancer. | 01-12-2012 |
20120016226 | ENERGETIC MODULATION OF NERVES - A system to modulate an autonomic nerve in a patient utilizing transcutaneous ultrasound energy delivery includes a processor comprising an input for receiving information regarding energy and power to be delivered to a treatment region containing the nerve, and an output for outputting a signal, wherein the processor is configured to determine a position of a reference target from outside the patient to localize the nerve relative to the reference target, a therapeutic energy device comprising a transducer for delivering ultrasound energy from outside the patient, a controller to control an aiming of the transducer based at least in part on the signal from the processor, and an imaging system coupled to the processor or the therapeutic energy device. | 01-19-2012 |
20120022361 | Data Processing Unit Positioning in MR-PET Imaging System Integration - An integrated magnetic resonance (MR) and positron emission tomography (PET) system includes an MR scanner including a magnet that defines an opening in which a subject is positioned, a set of PET detectors disposed between the magnet and the opening, and a plurality of data processing units, each data processing unit being configured for communication with a respective one or more of the PET detectors of the set of PET detectors. The plurality of data processing units are positioned along a side of the MR scanner not having the opening. | 01-26-2012 |
20120022362 | Data Processing Unit Integration for MR-PET Imaging - An integrated magnetic resonance (MR) and positron emission tomography (PET) system includes an MR scanner including a magnet that defines an opening in which a subject is positioned, a set of PET detectors disposed between the opening and the magnet, and a plurality of data processing units, each data processing unit being configured for communication with a respective one or more of the PET detectors of the set of PET detectors. Each data processing unit includes an RF shield housing, and the RF shield housings of the plurality of data processing units are disposed in a symmetrical arrangement relative to the opening. | 01-26-2012 |
20120022363 | SYSTEM FOR DELIVERING CONFORMAL RADIATION THERAPY WHILE SIMULTANEOUSLY IMAGING SOFT TISSUE - A device and a process for performing high temporal- and spatial-resolution MR imaging of the anatomy of a patient during intensity modulated radiation therapy (IMRT) to directly measure and control the highly conformal ionizing radiation dose delivered to the patient for the treatment of diseases caused by proliferative tissue disorders. This invention combines the technologies of open MRI, multileaf-collimator or compensating filter-based IMRT delivery, and cobalt teletherapy into a single co-registered and gantry mounted system. | 01-26-2012 |
20120035459 | METHOD OF NONINVASIVE ELECTROPHYSIOLOGICAL STUDY OF THE HEART - Reconstructing electrograms, whose experimental registration requires an invasive access, by computational way on unipolar ECGs recorded at 80 and more points of the chest surface. On the set of surface electrocardiograms for each discrete moment of the cardiocycle, values of the heart electric field potential at points of ECG-recording are determined, and a value of the electric field potential at each point of the chest surface is calculated by interpolation. Based on data of any visualization methodology, boundaries of chest and lungs surfaces and of the heart epicardial surface are determined. Further, a continuation of the electric field potential over the whole chest surface up to the heart epicardial surface with taking into account differences in electroconductivity of large anatomical structures of the chest is performed by computational way based on solution of the Cauchy problem for the Laplace equation in a piecewise-homogenous medium. | 02-09-2012 |
20120035460 | MOVABLE MAGNET FOR MAGNETICALLY GUIDED CATHETER - A catheter is disclosed having a flexible tubing with a proximal end and a distal end. The catheter comprising at least one movable magnet provided within the distal end of the flexible tubing. A control mechanism is operable to selectively activate the at least one movable magnet from the proximal end of the flexible tubing. The at least one movable magnet is responsive to an external magnetic field to position and guide the distal end of the flexible tubing within a body of a patient. | 02-09-2012 |
20120035461 | METHOD FOR VISUALIZING A LYMPH NODE AND CORRESPONDINGLY EMBODIED COMBINED MR/PET APPARATUS - A method is disclosed for visualizing a lymph node in a volume section of an examination subject by way of a combined MR/PET apparatus and to a correspondingly embodied combined MR/PET apparatus. The method includes acquisition of PET data of the volume section by way of a positron emission detector in order to record on the basis of the PET data a metabolic activity per PET voxel within the predetermined volume section; acquisition of MR data of the volume section by way of a magnetic resonance system in order to record on the basis of the MR data a lymph-node-specific contrast per region of the predetermined volume section; and generation of an image as a function of the metabolic activity recorded per PET voxel and as a function of the lymph-node-specific contrast recorded per region, abnormal lymph nodes being visualized in the image as distinguishable from normal lymph nodes. | 02-09-2012 |
20120035462 | Systems and Methods for Real-Time Tumor Tracking During Radiation Treatment Using Ultrasound Imaging - Systems and methods for tracking a target volume, e.g., tumor, in real-time during radiation treatment are provided. Under one aspect, a system includes an ultrasound probe, an x-ray imager, a processor, and a computer-readable medium that stores a 3D image of the tumor in a first reference frame and instructions for causing the processor to: instruct the x-ray imager and ultrasound probe to substantially simultaneously obtain inherently registered x-ray and set-up ultrasound images of the tumor in a second reference frame; establish a transformation between the first and second reference frames by registering the 3D image and the x-ray image; instruct the ultrasound probe to obtain an intrafraction ultrasound image of the tumor; registering the intrafraction ultrasound image with the set-up ultrasound image; and track target volume motion based on the registered intrafraction ultrasound image. | 02-09-2012 |
20120035463 | AUTOMATED ANATOMY DELINEATION FOR IMAGE GUIDED THERAPY PLANNING - When delineating anatomical structures in a medical image of a patient for radiotherapy planning, a processor ( | 02-09-2012 |
20120035464 | CONTROL APPARATUS FOR CONTROLLING A THERAPEUTIC APPARATUS - A control apparatus ( | 02-09-2012 |
20120035465 | Methods and systems of combining magnetic resonance and nuclear imaging - A multi-modality imaging system for imaging of an object under study, e.g., a whole body or parts of the body of animals such as humans, other primates, swine, dogs, or rodents, that includes a magnetic resonance imaging apparatus and a cadmium zinc telluride (CZT)-family semiconductor, single-photon imaging apparatus within a magnetic field produced by the magnetic resonance imaging apparatus such that sequential or simultaneous imaging can be done with the two modalities using the same support bed of the object under study in the same, uninterrupted imaging session. | 02-09-2012 |
20120059242 | Hybrid MR/PET Scanner With Patient Table Split Cable Feed - A hybrid magnetic resonance (MR) and positron emission tomography (PET) imaging system reduces likelihood of artifact distortion in PET images attributable to MR local coil cables and connectors in the patient table. MR local coil cables coupling the MR scanner and the MR local coil connectors are oriented so that they are outside the scanner field of view when performing PET scans. | 03-08-2012 |
20120059243 | MOTION COMPENSATION FOR NON-INVASIVE TREATMENT THERAPIES - Procedures and systems facilitate non-invasive, focused delivery of therapeutic energy to a target within or on a patient using, in various embodiments, a closed-loop approach such that feedback regarding anatomical movement and/or morphology changes is tracked and the uncertainty inherent in the measurements is addressed. | 03-08-2012 |
20120065492 | ENERGETIC MODULATION OF NERVES - A system for treatment includes a focused ultrasound energy source for placement outside a patient, wherein the focused ultrasound energy source is configured to deliver ultrasound energy towards a blood vessel with a surrounding nerve that is a part of an autonomic nervous system inside the patient, and wherein the focused ultrasound energy source is configured to deliver the ultrasound energy from outside the patient to the nerve located inside the patient to treat the nerve. | 03-15-2012 |
20120065493 | ENERGETIC MODULATION OF NERVES - A method to apply a nerve inhibiting cloud surrounding a blood vessel includes creating a treatment plan, wherein the treatment plan prescribes application of the nerve inhibiting cloud towards at least a majority portion of a circumference of a blood vessel wall, and applying the nerve inhibiting cloud towards the majority portion of the circumference of the blood vessel wall for a time sufficient to inhibit a function of a nerve that surrounds the blood vessel wall. | 03-15-2012 |
20120065494 | ENERGETIC MODULATION OF NERVES - A method to deliver focused ultrasound energy from a position outside a skin of a patient to a nerve surrounding a blood vessel, includes placing the patient on a table in a substantially flat position, moving a transducer into a position inferior to ribs, superior to an iliac crest, and lateral to a spine of the patient, maintaining the transducer at the position relative to the patient, and delivering focused ultrasound energy through the skin of the patient without traversing bone, wherein the direction of the focused ultrasound is directed from a lower torso to an upper torso of the patient. | 03-15-2012 |
20120065495 | NEEDLE BIOBSY IMAGING SYSTEM - Imaging techniques. Radiation is directed from a source onto a sample using an endoscope having cellular or subcellular resolution. The endoscope includes one or more fibers. The fibers have a proximate end and a distal end, and the distal end is lensless. A focal plane of the endoscope is substantially at a tip of the distal end. Radiation from the sample is directed onto a detector to diagnose or monitor the sample. | 03-15-2012 |
20120071745 | PREMATURE NEONATE CLOSED LIFE SUPPORT SYSTEM - A premature neonate closed life support system (NCLSS) including: at least one chamber confining a cradle-like neonate support (CLNS) having suitable dimensions and geometric-configuration for accommodating at least one premature neonate having at least two operational configurations, said operational configurations comprising: a first operational OPEN configuration whereby said CLNS is adapted to couple said neonate to at least one life supporting system by means of at least one life supporting coupling line, prior to positioning said CLNS in a medical device; and a second operational air-tight CLOSED configuration whereby said neonate remains continuously coupled to said at least one life supporting system by means of at least one life supporting coupling line, when positioning said CLNS within said medical device. The OPEN and CLOSED configurations are reversible. | 03-22-2012 |
20120071746 | MAGNETIC RESONANCE THERMOMETRY USING PRF SPECTROSCOPY - During the thermal treatment of an anatomical zone of interest, tissue temperature within the zone may be determined with a computational model whose parameters are adjusted using spectroscopy-based temperature measurements at interfaces of fat and non-fat tissues. | 03-22-2012 |
20120071747 | USE OF VENTRICULAR ENLARGEMENT RATE IN INTRAVENOUS IMMUNOGLOBULIN TREATMENT OF ALZHEIMERS DISEASE - The present invention relates to the use of MRI monitoring of ventricular enlargement rate as an objective measure for the purpose of assessing disease progression in patients suffering from Alzheimer's disease and for the purpose of determining therapeutic effectiveness of a treatment regimen for Alzheimer's patients. Methods for treating Alzheimer's Disease and monitoring therapeutic effectiveness are provided. | 03-22-2012 |
20120071748 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath is defined by an open distal end and an open proximal end and includes a hollow body portion therebetween. The obturator is defined by a distal end and a proximal end and the distal end further comprises a tapered distal tip member that terminates in a closed radiused distal tip. The obturator is configured to be received within the outer sheath such that the tapered distal tip member protrudes from the open distal end of the outer sheath when the obturator is in an introducing configuration. | 03-22-2012 |
20120071749 | SYSTEM AND METHOD FOR INTEGRATED BIOPSY AND THERAPY - A system and method for integrating diagnosis and treatment for internal tissues includes imaging ( | 03-22-2012 |
20120078080 | Remotely Controlled Catheter Insertion System - A system for remotely controlling the positioning within the body of a patient of an elongated medical device optionally having a control handle, comprises a robotic system and a remote controller configured to control the robotic device. The robotic system comprises a handle controller; a sled member coupled to the handle controller, the sled member being configured to position the medical device within the body of the patient; and a sled base configured to advance the sled member towards the body of a patient, the sled bed being coupled to a sterile barrier effective to maintain sterility inside the sled base. A medical device introducer is effective to guide the elongated medical device into a patient's body. | 03-29-2012 |
20120078081 | DEVICE, SYSTEM, KIT OR METHOD FOR COLLECTING EFFLUENT FROM AN INDIVIDUAL - The present invention relates to a device, method, system and kit for receiving effluent from an individual. In an alternative embodiment, the present invention is directed to a device, method, system and kit for collecting effluent from an individual during a medical or diagnostic procedure including but not limited to, imaging or viewing one or more sections of an individual's gastrointestinal tract. In another alternative embodiment, the effluent is collected in a hollow area in order to prevent the effluent form contaminating a component, device or apparatus used in connection with the medical or diagnostic procedure. | 03-29-2012 |
20120078082 | MRI THERMOMETRY COMBINED WITH HYPERPOLARISATION DEVICE USING PHOTONS WITH ORBITAL ANGULAR MOMENTUM - A magnetic resonance examination system comprises an RF-system for inducing resonance in polarised dipoles and receiving magnetic resonance signals from an object to be examined. A thermometry module dervies a temperature distribution of the object to be examined from the magnetic resonance signals. The magnetic resonance examination system further comprises a photonic-based hyperpolarisation device with a photonic source for emitting electromagnetic radiation, a moder converter, such as a phase hologram to impart orbital angular momentum to the electromagnetic radiation and va spatial filter to select from the phase hologram a diffracted photonic beam endowed with orbital angular momentum for polarising the dipoles via transferred orbital angular momentum. | 03-29-2012 |
20120083686 | MR IMAGING GUIDED ULTRASOUND THERAPY - The invention relates to a therapeutic system which comprises: an ultrasound therapy unit ( | 04-05-2012 |
20120089007 | Dual Imaging Acquisition Using Common Time-Base Frequency - Timing in a medical imaging system. The system comprises a magnetic resonance imaging (MRI) subsystem and a non-MRI subsystem. Operation of the non-MRI subsystem involves a timing signal within a radio frequency (RF) cabin of the MRI subsystem. Basing each non-MRI subsystem timing signal on a time base common between the MRI subsystem and the non-MRI subsystem. The non-MRI subsystem can be a medical imaging subsystem. The non-MRI medical imaging subsystem can be a positron emission tomography (PET) subsystem. Each non-MRI subsystem timing signal that based on the common time base can be created using the same model of equipment used for creating timing signals in the MRI subsystem. At least one stage of the non-MRI subsystem timing signal based on the common time base can be created using the same equipment used for creating timing signals in the MRI subsystem. | 04-12-2012 |
20120089008 | SYSTEM AND METHOD FOR PASSIVE MEDICAL DEVICE NAVIGATION UNDER REAL-TIME MRI GUIDANCE - A method for tracking a needle along a path under real-time magnetic resonance imaging (MRI) guidance includes extracting a candidate needle artifact region from a plurality of incoming MR images of a needle inside biological tissue, determining an initial needle direction vector from the candidate needle artifact region in each of the plurality of incoming needle images, determining an initial needle base point from an intersection of the needle direction vector with a first incoming needle image, and an initial needle tip point from an intersection of the needle direction vector with a last incoming needle image, and tracking said needle by minimizing a cost function of the initial base point and initial direction vector to calculate an updated base point and updated direction vector. The updated base point and direction vector are used to visualize the advance of the needle along the path through the biological tissue. | 04-12-2012 |
20120089009 | METHODS AND APPARATUS TO DELIVER NANOPARTICLES TO TISSUE USINGELECTRONANOTHERAPY - Methods, systems, and apparatus are disclosed to provide delivery of nanoparticles to tissue using electro-nanotherapy or nanoablation. | 04-12-2012 |
20120095321 | Systems and Methods for Reducing Interference in a Dual Modality Imaging System - A magnetic resonance (MR)-positron emission tomography (PET) device dual modality system includes a dual modality detector system, conductors, and a PET processing device. The dual modality detector system includes a plurality of PET detector device having a framing recovery device and PET detectors, and an MR detector device having a magnetic resonance (MR) receiver. The conductors are electrically connected to the PET detectors. The PET processing device transmits modulated timing and frame synchronization signals to the PET detectors via the conductors and the framing recovery device. The frame synchronization signal is missing one or more framing signals, thereby reducing a spectral radiation of the conductors that causes interference to the MR receiver of the MR detector device. The framing recovery device detects the timing and frame synchronization signals and recovers the one or more missing framing signals. | 04-19-2012 |
20120095322 | Devices, systems and methods for multimodal biosensing and imaging - Provided herein are robotic or automated multimodal tissue scanning or imaging systems and methods. The systems comprise a robotic delivery device configured to mechanically scan one or more zones of a tissue by co-registering at least two modalities, i.e., one or more of each of a sensor modality and an imaging modality and acquiring sensor modality data at one or more positions in the zone(s) as the sensor modality is dimensionally translated along the device axes. The system also comprises a computational core of a plurality of interlinked modules for planning, processing, tissue-sampling, visualization, fusion, and control of the delivery device and the system. The methods provided herein utilize the automated systems to produce spatial maps based on the analyzed sensor modality data. | 04-19-2012 |
20120095323 | Bandpass Sampling for Elastography - The characterization of tissue viscoelastic properties requires the measurement of tissue displacements over a region of interest at frequencies that exceed significantly the frame rates of conventional medical imaging devices. The present invention involves using bandpass sampling to track high-frequency tissue displacements. With this approach, high frequency signals limited to a frequency bandwidth can be sampled and reconstructed without aliasing at a sampling frequency that is lower than the Nyquist rate. With bandpass sampling, it is feasible to use conventional beam-forming on diagnostic ultrasound machines to perform high frequency dynamic elastography. The method is simple to implement as it does not require beam interleaving, additional hardware or synchronization and can be applied to magnetic resonance elastography. | 04-19-2012 |
20120095324 | METHOD FOR A NUCLEAR MEDICINE EXAMINATION - A method for a nuclear medicine examination of a patient is disclosed. In at least one embodiment of the method, a magnetic resonance recording of an examination region of the patient is created after a magnetic resonance contrast agent has been administered to the patient. A distribution of the magnetic resonance contrast agent in the examination region is automatically determined from the magnetic resonance recording. After a nuclear medicine tracer has been administered to the patient, a nuclear medicine recording of the examination region of the patient is created. The magnetic resonance contrast agent and the nuclear medicine tracer have essentially identical pharmacokinetic properties. The nuclear medicine recording is corrected as a function of the distribution of the magnetic resonance contrast agent in the examination region. | 04-19-2012 |
20120095325 | TREATMENT OF BRAIN DISEASES VIA ULTRASOUND/MAGNETIC TARGETING DELIVERY AND TRACING OF THERAPEUTIC AGENTS - Disclosed herein is a method for treating a brain disease in which focused ultrasound and magnetic targeting are applied to a subject in need of such treatment, so that therapeutic agent-magnetic nanoparticle composites are directed across the blood-brain barrier to a designated locus inside the brain of the subject. Each of the composites includes a magnetic nanoparticle that is formed of an iron-based core and a shell encapsulating the iron-based core, and a therapeutic agent that is bound to the shell of the magnetic nanoparticle. The magnetic nanoparticle has a size ranging from 5 to 200 nm. The iron-based core has a crystalline structure that imparts the composites with a sufficiently high magnetization, thereby enhancing magnetic targeting of the composites to the designated locus inside the brain of the subject. The magnetic targeting treatment is conducted via a magnet providing a magnetic flux density not less than 0.18 T. | 04-19-2012 |
20120101362 | CATHETER BEING USABLE IN A MAGNETIC RESONANCE IMAGING SYSTEM - The present invention relates to a catheter ( | 04-26-2012 |
20120101363 | METHODS AND APPARATUS FOR PATIENT TREATMENT USING MAGNETIC MEDICAL HARDWARE - Methods, systems, and apparatus are disclosed to provide treatment to patient tissue using medical hardware incorporating magnetic material. Methods, systems, and apparatus are disclosed to provide magnetic induction heating of cells at a tissue site in a patient. | 04-26-2012 |
20120101364 | SYSTEM AND METHOD FOR MAGNETIC-RESONANCE-GUIDED ELECTROPHYSIOLOGIC AND ABLATION PROCEDURES - A system and method for using magnetic resonance imaging to increase the accuracy of electrophysiologic procedures includes an invasive combined electrophysiology and imaging antenna catheter which includes an RF antenna for receiving magnetic resonance signals and diagnostic electrodes for receiving electrical potentials. The combined electrophysiology and imaging antenna catheter is used in combination with a magnetic resonance imaging scanner to guide and provide visualization during electrophysiologic diagnostic or therapeutic procedures, such as ablation of cardiac arrhythmias. The combined electrophysiology and imaging antenna catheter may further include an ablation tip, and be used as an intracardiac device to deliver energy to selected areas of tissue and visualize the resulting ablation lesions. | 04-26-2012 |
20120101365 | ASSESSMENT OF BLOOD-BRAIN BARRIER DISRUPTION - A method of analyzing a blood-brain bather of a subject is disclosed. A detectable dose of an MRI contrast agent is administered to the subject, and a plurality of magnetic resonance images of the subject's brain are acquired over a predetermined time-period. Two or more of the magnetic resonance images are compared thereamongst so as to determine variations in concentration of the contrast agent in the brain, and blood-brain barrier function is assessed based on the variations. | 04-26-2012 |
20120101366 | MAGNETIC STIMULATION DEVICE AND METHOD - The present publication discloses a device and method for generating magnetic pulses and directing them to brain. The device in accordance with the invention comprises means ( | 04-26-2012 |
20120108948 | SYSTEM AND METHOD FOR COLLIMATION IN DIAGNOSTIC IMAGING SYSTEMS - A system and method for collimation in diagnostic imaging systems is provided. One collimation system includes a collimator for a radiation imaging detector having a plurality of adjustable segments and a plurality of collimator holes within each of the plurality of adjustable segments. The plurality of adjustable segments are configured to move independently of a detector to adjust a field of view of the collimator holes. | 05-03-2012 |
20120108949 | STAGED SENSING ADJUSTMENTS BY AN IMPLANTABLE MEDICAL DEVICE IN THE PRESENCE OF INTERFERING SIGNALS - An implantable medical device (IMD) receives an input associated with the presence of an environment having an external source that generates an interfering signal, such as an MRI device. The IMD adjusts a first set of one or more sensing parameters of a sensing module of the IMD in response to receiving the input associated with the presence of the environment. In this manner, the IMD operates in accordance with the adjusted sensing configuration in the presence of the interfering signal in an attempt to obtain a more detailed representation of the signal including noise caused by the interfering signal. The IMD analyzes the signals sensed using the first set of adjusted sensing parameters to determine if further adjustment is desired. If desired, the IMD adjusts a second set of one or more sensing parameters of the sensing module based on the analysis. | 05-03-2012 |
20120108950 | BIOIMPEDANCE-ASSISTED PLACEMENT OF A MEDICAL DEVICE - A system and method for guiding a catheter or other medical device to a desired target destination within the vasculature of a patient via bioimpedance measurements is disclosed. The target destination in one embodiment includes placement of the catheter such that a distal tip thereof is disposed proximate the heart, e.g., the junction of the right atrium and superior vena cava. In one embodiment the method for guiding the catheter comprises introducing the catheter into a vessel of the patient, the catheter defining a lumen through which fluids can be infused into the vasculature of the patient. The catheter is advanced toward a target destination within the vasculature. A first impedance value based on intravascular detection of at least one electrical property related to a first tissue surface of the vessel is calculated to enable determination of the proximity of a distal end of the catheter to the target destination. | 05-03-2012 |
20120108951 | Method and Apparatus for Determining the Position of a Surgical Tool Relative to a Target Volume Inside an Animal Body - The invention relates to a method for determining the position of a surgical tool relative to a target volume inside an animal body according to a pre-plan comprising the steps of i) obtaining a plurality of two-dimensional images of said target volume using imaging means, each 2D-image being represented by an image data slice I(x,y,z); ii) reconstructing from said plurality of image data slices I(x,y,z) a three-dimensional image of said target volume using transformation means, said 3D-image being represented by a volumetric image data array V(x,y,z); iii) displaying said three-dimensional image of said target volume to an user using displaying means. | 05-03-2012 |
20120116208 | TEMPERATURE MEASUREMENT NEAR AN ICE BALL USING A PROTON RESONANCE FREQUENCY METHOD AND RECALCULATION OF SUSCEPTIBILITY ARTIFACTS - In a method or system for magnetic resonance imaging based temperature monitoring for real-time feedback to a physician for a cryoablation therapy of a lesion which creates an ice ball of the lesion to induce cell death, the magnetic resonance imaging system, using proton resonance frequency imaging, obtains a real-time temperature image of the ice ball of the lesion undergoing the cryoablation therapy and the adjacent surrounding tissue. By use of an algorithm, correcting temperature errors at a border of the ice ball are corrected in the real-time image, the temperature error correction correcting susceptibility contrast errors caused by a distortion of the local magnetic field at the border of the ice ball. | 05-10-2012 |
20120116209 | HIGH MAGNETIC FIELD COMPATIBLE INTERVENTIONAL NEEDLE AND INTEGRATED NEEDLE TRACKING SYSTEM - An elongate device (e.g. a catheter) for interventional MRI has one or more passive LC-circuits (wireless markers) attached to its distal tip portion for position tracking. The LC-circuits comprise an inductor winding ( | 05-10-2012 |
20120123243 | CATHETER GUIDANCE OF EXTERNAL ENERGY FOR RENAL DENERVATION - An in vivo apparatus includes a flexible shaft having a proximal end, a distal end, and a length sufficient to access a patient's renal artery relative to a percutaneous access location. An energy guide apparatus is provided at the distal end of the shaft and dimensioned for deployment within the renal artery. An ex vivo apparatus includes an arrangement configured to localize the energy guide apparatus within the renal artery, and an energy source configured to direct ablative energy to target tissue located a predetermined distance from the localized energy guide apparatus. The target tissue includes perivascular renal nerve tissue adjacent the renal artery. | 05-17-2012 |
20120130225 | MEDICAL DIAGNOSTIC DEVICE AND METHOD FOR DIAGNOSING - The invention relates to a medical diagnostic device ( | 05-24-2012 |
20120130226 | Automated methods and systems for vascular plaque detection and analysis - Automated methods and systems for the detection and analysis of plaque in one or more regions of a patient's vasculature are described. | 05-24-2012 |
20120130227 | System and Method for Assessing Response to Chemotherapy Using Magnetic Resonance Elastography - A system and method for determining a response of a tumor following a chemotherapy process includes the use of a magnetic resonance elastography (MRE) driver and a magnetic resonance imaging (MRI) system. The method includes controlling the MRE driver and the MRI system to acquire raw MRE data from the tumor, inverting the raw MRE data to produce an elastogram of the tumor, and determining a response of the tumor to the chemotherapy process from the elastogram. | 05-24-2012 |
20120136236 | IMAGING METHOD AND APPARATUS - A method of generating an image of a segment of a lumen structure comprises acquiring volumetric image data that comprises image data representative of a longitudinal segment of a lumen structure, extracting the segment of lumen structure from the volumetric image, calculating a thickness of planar MPR slab that at least encompasses the longitudinal segment of lumen structure, and rendering a planar MPR slab image based on the thickness and the volumetric image data. | 05-31-2012 |
20120136237 | COMPACT, HYBRID AND INTEGRATED GAMMA/RF SYSTEM USED TO FORM SIMULTANEOUS PET OR SPECT AND MR IMAGES - The GAMMA/RF compact, hybrid and integrated system for PET-SPECT/MR simultaneous imaging of the invention comprises a GAMMA/RF device that integrates an RF coil, of the type used in conventional MR systems, with GAMMA radiation detector modules of the type used in PET or SPECT systems, so that combined PET or SPECT and MR images are obtained. | 05-31-2012 |
20120136238 | HEMOGLOBIN CONTRAST IN MAGNETO-MOTIVE OPTICAL DOPPLER TOMOGRAPHY, OPTICAL COHERENCE TOMOGRAPHY, AND ULTRASOUND IMAGING METHODS AND APPARATUS - A novel contrast mechanism for imaging blood flow using magneto-motive optical Doppler tomography (MM-ODT), Optical Coherence Tomography, and Ultrasound. MM-ODT, OCT, and ultrasound combined with an externally applied temporally oscillating high-strength magnetic field detects erythrocytes moving according to the field gradient. | 05-31-2012 |
20120136239 | SYSTEM FOR MAGNETIC RESONANCE AND X-RAY IMAGING - A patient table for a common imaging system including Magnetic Resonance and X-Ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a patient support portion cantilevered from the base and a mattress. A safety system is provided for controlling the operation of the magnet and MR system and the X-Ray systems to allow effective safe operation and controls the movement of the magnet to the table and the movement of the X-Ray imaging systems to and from the table to locations where they do not interfere with the MR imaging. | 05-31-2012 |
20120143041 | Images Of Language-Sensitive Neurocircuitry As A Diagnostic For Autism - The disclosed subject matter provides on ore more imaging techniques during passive auditory stimulation to objectively provide a diagnostic indicator of ASD. These techniques include functional MRI (fMRI), diffusion tensor imaging (DTI) and tractography, and combinations thereof. In one embodiment, a method is disclosed that uniquely provides an objective (imaging) physiological technique to diagnose early autism and to monitor progress following therapeutic intervention. | 06-07-2012 |
20120143042 | Ultrasound Methods, Systems and Computer Program Products for Imaging Fluids Using Acoustic Radiation Force - The ultrasound system includes a controller configured to communicate with an ultrasound transducer such that the ultrasound transducer emits a radiation force excitation ultrasound pulse from the ultrasound transducer that propagates through the region of interest and is sufficient to perturb a fluid in the region of interest; emits a first and second acoustic ultrasound pulse from the ultrasound transducer that propagates away from the ultrasound transducer, through a region of interest and produces respective first and second echo ultrasound signal that propagate from the region of interest to the ultrasound transducer; and receives a first and second data set responsive to the first and second respective echo signals at the ultrasound transducer. A decorrelation module is configured to identify a decorrelation region of decorrelated data that is decorrelated between the first and second data sets, and the decorrelation region indicates a presence of fluid in the region of interest. | 06-07-2012 |
20120143043 | METHOD AND COMPOSITION FOR HYPERTHERMALLY TREATING CELLS - A method and composition for hyperthermally diagnosing and monitoring treatment of cells with photoacoustic sound and nanoparticles. The heat (temperature) and photoacoustic sound wave production inside the target tissue is measured. The desired temperature is achieved using a laser and photoacoustic imaging technique. Hyperthermia treatment of tissue applies a heat source to kill cells without protein denaturation. The hyperthermia treatment may further comprise platelet-derived treatment. The method introduces an encapsulated dye that is released at a selected temperature in the target site to indicate that a threshold temperature has been reached to hyperthermally treat the tissue. The temperature to which the target site is treated ranges from about 39° C. to about 58° C., and may last from about 5 seconds to about 30 minutes. The composition which can be a liposome composition encapsulating the dye can be introduced to the bloodstream to flow through the target site. | 06-07-2012 |
20120150016 | IMAGE GUIDED RADIATION THERAPY SYSTEM AND SHIELDED RADIO FREQUENCY DETECTOR COIL FOR USE THEREIN - A radiation therapy system includes a radiation source capable of generating a beam of radiation; a magnetic resonance imaging (MRI) apparatus comprising at least one radiofrequency detector coil; and an electrically grounded dielectric material between the radiation source and the radiofrequency detector coil for shielding the at least one radiofrequency detector coil from the beam of radiation. Also disclosed is a radiofrequency detector coil for a magnetic resonance imaging (MRI) apparatus sheathed at least in part by a dielectric material that is adapted to be electrically grounded. | 06-14-2012 |
20120150017 | OPEN PET/MRI HYBRID MACHINE - A PET/MRI hybrid machine that combines a PET device with an MRI device, includes: an open PET device that has a PET field of view at least part of which is an open space accessible from outside; and an open MRI device that has an MRI field of view at least part of which is an open space accessible from outside, and the open space of the PET field of view and the open space of the MRI field of view are allowed to overlap each other at least in part. This makes it possible to simultaneously measure and image the same open space accessible from outside by the PET device and the MRI device, thereby acquiring functional information and morphological information at the same time. | 06-14-2012 |
20120150018 | SHIELD TYPE RADIATION THERAPY AND IMAGING HYBRID DEVICE - A shielding structure against nuclear fragments (referred to as a shield) is operated according to ON and OFF of beam irradiation so as to reduce incidence of nuclear fragments on detectors during beam irradiation. This enables measurement of annihilation radiations and three-dimensional imaging of the irradiation field immediately after irradiation or even during irradiation. | 06-14-2012 |
20120150019 | MRI BY DIRECT TRANSVERSE HYPERPOLARIZATION USING LIGHT ENDOWED WITH ORBITAL ANGULAR MOMENTUM - A magnetic resonance system includes a main magnet ( | 06-14-2012 |
20120157822 | Inverse Imaging of Electrical Activity of a Heart Muscle - A method for providing a representation of the distribution, fluctuation and/or movement of electrical activity through heart tissue, said method comprising: obtaining an ECG of the heart comprising said tissue; obtaining a model of the heart geometry; obtaining a model of the torso geometry; relating the measurements per electrode of the ECG to the heart and torso geometry and estimating the distribution, fluctuation and/or movement of electrical activity through heart tissue based upon a fastest route algorithm, shortest path algorithm and/or fast marching algorithm. | 06-21-2012 |
20120165650 | HER2 BINDERS - Imaging agents comprising an isolated polypeptide conjugated with a radionuclide and a chelator; wherein the isolated polypeptide binds specifically to HER2, or a variant thereof; and methods for preparing and using these imaging agents. | 06-28-2012 |
20120165651 | DETECTOR ROTATION TYPE RADIATION THERAPY AND IMAGING HYBRID DEVICE - An imaging device, or a PET device, opposed gamma camera type PET device, or open PET device in particular, that is combined with a radiation therapy device, in which detectors are rotated to reduce incidence of nuclear fragments on the detectors. For example, in an opposed gamma camera type PET device, beam irradiation and detector rotation can be synchronized to prevent the detectors from interfering with the treatment beam and reduce the incidence of nuclear fragments on the detectors. This makes it possible to reduce the incidence of nuclear fragments on the detectors without interfering with a treatment beam, thereby enabling measurement of annihilation radiations and three-dimensional imaging of the irradiation field immediately after irradiation or during irradiation. | 06-28-2012 |
20120165652 | SYSTEM AND METHOD FOR IMAGE GUIDANCE DURING MEDICAL PROCEDURES - A surgical guidance system is disclosed that allows for real-time imaging and patient monitoring during a surgical procedure. The system can include an MRI system for generating real-time images of the patient while surgery is being performed. Prior to surgery, a surgical plan can be created using a planning interface. A control unit receives the real-time image data and the surgical plan, and monitors the image data based on parameters included in the surgical plan. The control-unit monitoring occurs in real-time while the surgical procedure is being performed. The control unit can detect deviations from the surgical plan and/or high-risk patient conditions and instruct an alert unit to issue an alert based on the detected conditions. | 06-28-2012 |
20120165653 | MR imaging system with cardiac coil and defibrillator - The invention relates to a magnetic resonance imaging system comprising a main magnet coil ( | 06-28-2012 |
20120165654 | MEANS AND METHOD FOR PERFORMING HYPERPOLARIZING GAS IMAGING - The present invention discloses a system for hyperpolarizing un-polarized gas within an animal. The system comprises hyper polarization means for hyperpolarizing the un-polarized gas, wherein the hyperpolarization of the un-polarized gas is provided in-situ within the analyzed animal. | 06-28-2012 |
20120172707 | METHOD FOR DEVELOPING AN INFORMATION PREDICTION DEVICE, USE THEREOF, AND CORRESPONDING STORAGE MEDIUM AND APPARATUS - A method for developing a prediction device for predicting a phenotype of a person from imaging data of the person is provided. The method includes determining imaging descriptors, the determining imaging descriptors including acquiring multidimensional images of people with an imaging apparatus and extracting multidimensional image elements from the acquired multidimensional images to serve as descriptors The method also includes classifying the predetermined descriptors on the basis of the capability thereof to predict the phenotype, selecting, from among the classified descriptors, a relevant number of the best-classified descriptors that is sufficient to predict the phenotype and constructing the prediction device from the selected descriptors. | 07-05-2012 |
20120172708 | MR IMAGING GUIDED THERAPHY - The invention relates to a therapeutic system which comprises an ultrasound therapy unit ( | 07-05-2012 |
20120172709 | MULTIMODALITY NUCLEAR IMAGING RECONSTRUCTION METHOD - A method for obtaining a high-resolution nuclear image of a biological object, which image is acquired by a nuclear detector inside an MRI system includes the steps of acquiring MRI information pertaining to a wide field of view; focusing a field of view of the nuclear detector to a small region that covers only the target region; obtaining a nuclear image of the small region; and using a priori information included in the MRI information to eliminate image artifacts in the nuclear image. An apparatus for performing the method and a data image formed by practice of the method is also included. | 07-05-2012 |
20120172710 | QUANTITATIVE ELASTOGRAPHY - A contact force sensor is used to detect an instantaneous contact force for an ultrasound probe while an ultrasound image is obtained. The contact force can be used to evaluate tissue deformation in response to the applied force, which permits enhanced imaging such as estimation of undeformed tissue shapes and a determination of tissue elasticity. | 07-05-2012 |
20120172711 | Injectable Vascular Access Port with Discernable Markers for Identification - An improved injection port identification for injection ports implanted under the skin of a patient. The injection port has an x-ray discernable marker allowing for the determination of a pressure rating for the injection port when so implanted. A plurality of concurrent visual, RF, light emitting and sonic means for signaling the port's pressure rating are also employable to provide multiple concurrent affirmations of the port's readiness for high pressure injections. | 07-05-2012 |
20120179025 | CT AND MRI SYNCHRONOUS DETECTION POSITIONING NEEDLE - Disclosed is a CT and MRI synchronous detection positioning needle. The needle comprises a silicone tube which is internally provided with a guide needle; the two sides of the guide needle are provided with hollow cavities; each hollow cavity is internally provided with membranes dividing the hollow cavity into a plurality of small chambers which are filled with liquid, wherein a CT contrast agent is filled in a plurality of small chambers at one side of the guide needle, and an MRI contrast agent is filled in a plurality of small chambers at the other side of the guide needle. In the invention, specially designed silicone positioning needles are implanted in vivo, and synchronous comparison of different image data and pathological data is implemented by means of multi-plane reconstruction technology, so the CT and MRI synchronous detection positioning needle can be widely applied to experimental study on tumors. | 07-12-2012 |
20120179026 | Method for Registering a Physical Space to Image Space - A method and apparatus for registering physical space to image space is disclosed. The system allows for determining fiducial markers as pixels or voxels in image data. The system can correlate and register the determined fiducial points with fiducial markers in physical space. | 07-12-2012 |
20120184841 | RETROSPECTIVE CALCULATION OF RADIATION DOSE AND IMPROVED THERAPY PLANNING - A combined magnetic resonance (MR) and radiation therapy system ( | 07-19-2012 |
20120184842 | METHOD, AN OPTICAL PROBE AND A CONFOCAL MICROSCOPY SYSTEM FOR INSPECTING A SOLID ORGAN - A method to inspect a solid organ in a subject includes introducing a needle in a predetermined area of the solid organ, inserting an optical probe through a lumen of the needle, and imaging the predetermined area using the optical probe. An optical probe to inspect a solid organ in a subject, the optical probe being intended to be positioned in the solid organ through a needle, the optical probe includes an optical fiber bundle, a ferule to protect the distal tip of the optical fiber bundle, the ferule comprising a shank and a head, and a sheath wrapping the fiber bundle and the shank, wherein the head of the ferule has a length adapted for the optical probe to image the solid organ while keeping the sheath inside the needle. | 07-19-2012 |
20120190965 | MR Compatible Stereoscopic Viewing Device for use in the Bore of an MR Magnet - In an MR guided surgical system which is carried out in the bore of an MR magnet, there is provided a microscope system for viewing the required part of a patient which includes stereoscopic viewing components arranged for use in generating 2D and 3D images displayed to the surgeon. The optical assembly is adjustable to change the view and the visual images are overlaid by the MR images. The visual image can be adjusted in response to movement of the surgical tool and the MR image displayed and/or the image obtained can be modified in response to change in the visual image and/or movement of the tool. The components in the bore are made compatible with the MR environment. | 07-26-2012 |
20120190966 | MR Compatible Fluorescence Viewing Device for use in the Bore of an MR Magnet - In an MR guided surgical system which is carried out in the bore of an MR magnet and uses fluorescence to detect tumor cells, there is provided a microscope system for viewing the required part of a patient which includes stereoscopic viewing components arranged for use in generating 2D and 3D images displayed to the surgeon. The optical assembly is adjustable to change the view and the visual images are overlaid by the MR images. The visual image can be adjusted in response to movement of the surgical tool and the MR image displayed and/or the image obtained can be modified in response to change in the visual image and/or movement of the tool. The components in the bore are made compatible with the MR environment. A fluorescence delivery system is operated to automatically activate the delivery system in response to detection of the level of fluorescence. | 07-26-2012 |
20120190967 | ARRANGEMENT AND METHOD FOR QUANTITATIVELY DETERMINING THE BLOOD FLOW WITHIN BLOOD VESSELS - An arrangement quantitatively determines the blood flow within blood vessels through which blood flows in a volume of a tissue defining a surface. Three-dimensional first image data of a first volume portion of the volume is detected and optical second image data is detected continuously in time of a first surface portion of the surface. A calibrating unit of the arrangement calibrates the relative value of the flow speed and/or the volumetric flow of the blood flowing through the blood vessels disposed directly below the first surface portion based on the absolute values of the flow speed and/or of the volumetric flow of the blood. An output unit outputs the absolute values of the flow speed and/or the volumetric flow of the blood flowing through the blood vessels arranged directly below the first surface portion. | 07-26-2012 |
20120190968 | OBJECT RECOGNITION TESTING TOOLS AND TECHNIQUES FOR MEASURING COGNITIVE ABILITY AND COGNITIVE IMPAIRMENT - Techniques and tools for measuring cognitive ability and/or detecting cognitive impairment or decline. For example, techniques and tools are described that can be used to diagnose or test susceptibility to cognitive impairments in children or in elderly people (such as cognitive impairments associated with Alzheimer's Disease). Techniques and tools are described that can be used to evaluate treatment effects and/or measure cognitive decline over time. | 07-26-2012 |
20120197106 | Parallel Excitation of Nuclear Spins With Local SAR Control - A method of exciting nuclear spins in a sample, wherein a plurality of transmit coils are driven in parallel to emit respective radio-frequency excitation pulses, the method comprising computing the phases and/or amplitudes of said excitation pulses by solving an optimization problem for minimizing the difference between the excitation distribution within said sample and a target excitation distribution, and being characterized in that: said optimization problem includes a cost function depending on the power emitted by said transmit coils through respective coil-dependent weighting coefficients; and in that the phases and/or amplitudes of the excitation pulses are computed iteratively, each iteration step comprising: solving said optimization problem based on present values of the weighting coefficient, and subsequently updating the value of at least one of said coefficients so as to control in a predetermined way the local specific absorption rate—SAR—distribution within the sample. The method of the invention allows, in particular, reducing the local SAR maximum value within the sample and/or ensuring that the local SAR takes its maximum value within a predetermined region of the sample. | 08-02-2012 |
20120203095 | Systems and Methods for Trans-Orifice and Transperineal Intervention - An intervention apparatus is described having a probe with an orifice insertion portion, the insertion portion being configured for insertion into an orifice of a patient. The apparatus also having an intervention tool securement and adjustment mechanism removably attached to the probe. The probe providing support to hold the mechanism in a position relative to the patient, and the adjustment mechanism providing adjustment of an entry point and an angle of entry for an intervention tool to the patient. In embodiments, magnetic resonance imaging, trans-orifice intervention and transperineal intervention are described. Methods for imaging and/or intervention are also described. | 08-09-2012 |
20120203096 | METHODS TO DIAGNOSE DEGENERATIVE DISC DISEASE USING PAIN STIMULI - Methods are provided that better describe, and localize the pain generator or suspected pain generator in and around spinal discs in relation to neck, back or leg pain so as to improve the diagnosis of degenerative disc disease. In some embodiments, there are methods for diagnosing a pain generator or a suspected pain generator in a patient suffering from back pain, the methods comprise causing painful stimuli at or near the pain generator or suspected pain generator in the patient suffering from back pain; labeling an inflammatory, vascular, neuronal, and/or metabolic pain marker at a location inside of or adjacent to an intervertebral disc in the patient suffering from back pain to increase an image of the pain marker with an imaging procedure; and imaging the labeled inflammatory, vascular, neuronal, and/or metabolic pain marker in a manner sufficient to diagnose the pain generator or suspected pain generator. | 08-09-2012 |
20120203097 | MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD FOR DETECTING A GAS BUBBLE - A magnetic resonance imaging system ( | 08-09-2012 |
20120203098 | ULTRASOUND POWER SUPPLY FOR AN ULTRASOUND TRANSDUCER - An ultrasound power supply ( | 08-09-2012 |
20120215093 | SYSTEM AND METHOD FOR PROVIDING PATIENT REGISTRATION WITHOUT FIDUCIALS - A method for providing patient registration without fiducials comprises the steps of: spatially placing an ultrasound image of a patient randomly at different starting positions relative to a preoperative image; creating an independent registration corresponding to each different starting positions, by optimizing a spatial transformation between the preoperative image and the ultrasound image to provide a first batch of registrations; executing a second registration to fine-tune the alignment between the preoperative image and the ultrasound image; and concatenating the spatial transformation to obtain spatial transformation between the patient in an operating room and a corresponding preoperative image. | 08-23-2012 |
20120220857 | METHOD FOR MEASURING THE EMOTIONAL RESPONSE TO OLFACTIVE STIMULI - The invention relates to a method of identifying a fragrance sample using functional Magnetic Resonance Imaging to assess the ability of said fragrance sample to elicit a reward through the dopaminergic pathway; a fragrance sample identified by the method, and a method for preparing an accord or a fully formulated fragrance. | 08-30-2012 |
20120226138 | METHODS FOR THE IDENTIFICATION AND TARGETING OF BRAIN REGIONS AND STRUCTURES AND TREATMENTS RELATED THERETO - Disclosed herein are methods for identifying and targeting brain regions and brain structures. In one embodiment, a method of identifying a brain structure in a patient comprises imaging a brain region using Diffusion Tensor Imaging MRI to identify a nerve tract, following the nerve tract to a first brain structure, and identifying the first brain structure based on the location and orientation of the nerve tract. | 09-06-2012 |
20120226139 | METHOD AND COMPOSITION FOR HYPERTHERMALLY TREATING CELLS - A method and composition for hyperthermally diagnosing and monitoring treatment of cells with photoacoustic sound and nanoparticles. | 09-06-2012 |
20120226140 | SYSTEMS AND METHODS FOR REMOTE MONITORING OF SIGNALS SENSED BY AN IMPLANTABLE MEDICAL DEVICE DURING AN MRI - Systems and methods are provided for allowing an implantable medical device, such as pacemaker, to properly sense electrophysiological signals and hemodynamic signals within a patient during a magnetic resonance imaging (MRI) procedure. Systems and methods are also provided for allowing the implantable medical device to transmit the sensed data to an external monitoring system during the MRI procedure so that attending medical personnel can closely monitor the health of the patient and the operation of the implantable device during the MRI. These improvements provide the attending personnel with information needed to determine whether the MRI should be suspended in response to induced tachyarrhythmias or other adverse conditions within the patient. | 09-06-2012 |
20120232377 | SURGICAL NAVIGATION FOR REVISION SURGICAL PROCEDURE - Surgical navigation for revision surgery includes temporality coupling a reference arc to a surgical object that was substantially permanently affixed to a bone of a patient during a preceding surgery. The reference arc includes a navigation tracker configured to communicate with a navigation system. A surgical instrument is coupled to a respective navigation tracker that is also configured to communicate with the navigation system. A known relationship between the navigation tracker of the reference arc and the navigation tracker of the surgical instrument is used to determine a spatial characteristic of the surgical instrument, such as an position or orientation of the surgical instrument. The spatial characteristic is rendered upon a display unit. | 09-13-2012 |
20120238863 | Digital Image Storage System and Human Body Data Matching Algorithm for Medical Aesthetic Application - A human body data matching algorithm for medical aesthetic application includes the step of providing a human body image acquisition unit, the step of using the human body image acquisition unit to obtain a digital 3D image data of the body of a person during an optimal lifetime of the person, the step of storing the digital 3D image data in a data storage bank, the step of fetching the digital 3D image data from the data storage bank when going to perform a medical aesthetic surgery, and the step of e) matching the digital 3D image data for reference in the medical aesthetic surgery to avoid communication errors between the patient and the surgeon. | 09-20-2012 |
20120245452 | IMPLANTABLE DEVICE - An implantable electromedical device, having a detection unit for capturing possible device-impairing effects, a control unit, which is connected to the detection unit, a diagnostic and/or treatment unit, and a test unit, of which the test unit is designed to test the diagnostic-treatment unit, and to output test results for storage, of which the diagnostic and/or treatment unit includes sensor units and/or treatment delivery units as components and is designed to record physiological parameters and/or bring about delivery of a treatment, and of which the control unit is designed to actuate the test unit for testing the diagnostic-treatment unit. | 09-27-2012 |
20120253171 | INFORMATION PROCESSING APPARATUS, IMAGING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM CAUSING COMPUTER TO EXECUTE INFORMATION PROCESSING - An information processing apparatus includes a first acquisition unit configured to acquire a plurality of positions, in a three-dimensional image of a subject, obtained based on a sternum of the subject, a second acquisition unit configured to acquire a plurality of positions, in the subject, obtained based on the sternum of the subject, and a calculation unit configured to calculate a correspondence relationship in position between the subject and the three-dimensional image based on the plurality of positions acquired by the first acquisition unit and the plurality of positions acquired by the second acquisition unit. | 10-04-2012 |
20120253172 | Radiation therapy system with high frequency shielding - A radiation therapy system is proposed. The system has a magnetic resonance imaging device with a first and second magnetic coil units distanced from one another by a gap. The coil units interact to generate a magnetic field propagating along a longitudinal axis. The system has a linear accelerator arranged at a radial distance from the longitudinal axis in the gap or in the radial extension of the gap. The system also has a high frequency shielding arrangement with a first and second high frequency shielding cabins arranged adjacent to the first and second magnetic coil units respectively and high frequency sealed connected to one another with a tubular high frequency shielding unit arranged along the longitudinal axis within the first and second magnetic coil units. A high frequency shielding concept is independent of an embodiment of the magnetic system of the imaging device and is universally applicable. | 10-04-2012 |
20120253173 | IMAGE PROCESSING APPARATUS, ULTRASONIC PHOTOGRAPHING SYSTEM, IMAGE PROCESSING METHOD THEREFOR, AND STORAGE MEDIUM STORING PROGRAM - An image processing apparatus includes an ultrasonic image obtaining unit configured to obtain an ultrasonic image by capturing a subject by ultrasound, a generation unit configured to generate a corresponding cross-sectional surface which corresponds to an image capturing cross-sectional surface of the ultrasonic image, which is parallel to a reference direction, and which includes a position specified in advance from a three-dimensional image of the subject, and a cross-sectional image obtaining unit configured to obtain a cross-sectional image of the three-dimensional image from the generated corresponding cross-sectional surface. | 10-04-2012 |
20120253174 | IMAGE RECORDING DEVICE FOR THE SIMULTANEOUS RECORDING OF MAGNETIC RESONANCE IMAGE DATA AND NUCLEAR MEDICAL IMAGE DATA - An image recording device is disclosed for the simultaneous recording of magnetic resonance image data and nuclear medical image data, in particular PET image data. In at least one embodiment, the image recording device includes a nuclear medical detector arrangement integrated into a magnetic resonance device, wherein a fluorescence detector arrangement including an optical system and designed for fluorescence imaging is also integrated into the magnetic resonance device. | 10-04-2012 |
20120253175 | System and Method for Imbedded, High-Spatial Resolution, Fluoroscopic Tracking of Multi-Station, Contrast-Enhanced Magnetic Resonance Angiography - A method of producing a series of vasculature images over an extended field of view (FOV) larger than an FOV of an MRI system includes acquiring initial time-resolved image data from the vasculature and, during the acquiring process, reconstructing, in substantially real-time, a series of three-dimensional (3D) tracking images of the initial portion of the vasculature illustrating a current position of a contrast bolus in the vasculature as the contrast bolus passes through the initial portion of the vasculature. Based on a current position of the contrast bolus, the subject is moved to a subsequent imaging station to acquire subsequent time-resolved image data and reconstruct subsequent 3D tracking images of subsequent portions of the vasculature. This process is repeated and then an image is assembled that extends over the extended FOV using the initial time-resolved image data and the subsequent time-resolved image data. | 10-04-2012 |
20120253176 | Systems and Methods for Debulking Visceral Fat - Systems and methods for debulking visceral fat within a subject, include: providing a focused ultrasound transducer configured to focus ultrasonic power at a focal spot; positioning the focused ultrasound transducer with respect to the subject so that the focused ultrasound transducer is enabled to transfer ultrasonic power into the subject; locating the focal spot of the focused ultrasound transducer with respect to at least one target region containing visceral fat within the subject; and debulking visceral fat within the target region by applying ultrasonic energy from the focused ultrasound transducer with sufficient power to cause the death of visceral fat tissue within the target region. | 10-04-2012 |
20120253177 | Radiation Containing Seeds and Method for High Visibility Magnetic Imaging - A radioactive seed and method for making a radioactive seed with selective magnetic imaging characteristics are provided. The seed includes a housing which may include a metal shell for at least partially enclosing a radioactive material. The shell encloses a rod having a nickel layer with a phosphorous content, wherein the phosphorous content includes a level of phosphorous sufficient, when the seed is implanted in tissue, to provide a magnetic resonance image of the seed while substantially eliminating gross artifacts in the magnetic resonance image. | 10-04-2012 |
20120259201 | System and Method for Inertial Magnetic Resonance Elastography Driver for Use With Interventional Medical Device - A system and method for performing a magnetic resonance elastography (MRE) procedure using an MRI system to monitor operation of a medical device performing a medical procedure. The driver system includes a housing, a port located in the housing and connected to a driving power, and an inertial driver moved within the housing by the driving power. A passage is formed in the housing and extends from a first opening in the housing, through the inertial driver, and to a second opening in the housing. The inertial driver receives a medical device extending through the passage and engages the medical device to impart oscillatory motion thereto as the inertial driver is moved by the driving power. The imparted oscillatory motion travels along the medical device as a waveguide to deliver the oscillatory motion to tissue receiving the medical procedure to perform the MRE procedure. | 10-11-2012 |
20120265050 | Omni-Tomographic Imaging for Interior Reconstruction using Simultaneous Data Acquisition from Multiple Imaging Modalities - Embodiments of the invention relate to omni-tomographic imaging or grand fusion imaging, i.e., large scale fusion of simultaneous data acquisition from multiple imaging modalities such as CT, MRI, PET, SPECT, US, and optical imaging. A preferred omni-tomography system of the invention comprises two or more imaging modalities operably configured for concurrent signal acquisition for performing ROI-targeted reconstruction and contained in a single gantry with a first inner ring as a permanent magnet; a second middle ring containing an x-ray tube, detector array, and a pair of SPECT detectors; and a third outer ring for containing PET crystals and electronics. Omni-tomography offers great synergy in vivo for diagnosis, intervention, and drug development, and can be made versatile and cost-effective, and as such is expected to become an unprecedented imaging platform for development of systems biology and modern medicine. | 10-18-2012 |
20120265051 | APPARATUS AND METHODS FOR MRI-COMPATIBLE HAPTIC INTERFACE - In one embodiment, the system of these teachings includes a master robot/haptic device providing haptic feedback to and receiving position commands from an operator, a robot controller receiving position information and providing force information to the master robot/haptic device, a navigation component receiving images from an MRI scanner, the navigation component providing trajectory planning information to the robot controller, a slave robot driving a needle, the slave robot receiving control information from the robot MRI controller, and a fiberoptic sensor operatively connected to the slave robot; the fiberoptic sensor providing data to the robot controller; the data being utilized by the robot controller to provide force information to the master robot/haptic device. In one instance, the present teachings include a fiberoptic force sensor and an apparatus for integrating the fiberoptic sensor into a teleoperated MRI-compatible surgical system. Methods for use are disclosed. | 10-18-2012 |
20120271148 | BRAIN CONDITION MONITORING BASED ON CO-ACTIVATION OF NEURAL NETWORKS - A brain condition can be tracked based on identification of co-activation of two antagonistic networks of a patient's brain. Various embodiments concerns methods and devices for sensing one or more signals indicative of brain activity, detecting one or more episodes of default mode network activation based on the one or more signals, detecting one or more episodes of salience network activation based on the one or more signals, and identifying one or more episodes of temporal co-activation of the default mode network and the salience network based on the detected one or more episodes of default mode network activation and the one or more episodes of salience network activation. The brain condition can be tracked and treated based on the identification of the one or more episodes of co-activation. | 10-25-2012 |
20120271149 | INSERT DEVICE FOR ENHANCING PET AND MRI IMAGES - Insert devices that include a RF surface coil and gamma-ray photon detector array for enhancing PET and MRI images produced from integrated PET-MRI scanners are disclosed. Integrated PET-MRI scanners that include such insert devices as well of methods for scanning an object by use of such devices are also disclosed. | 10-25-2012 |
20120271150 | Flexible Passive Acoustic Driver for Magnetic Resonance Elastography - A flexible passive acoustic driver for use in an acoustic driver system which applies an oscillating stress to a subject undergoing a magnetic resonance elastography (MRE) examination which includes receiving acoustic pressure waves from an active driver through a tube and imparts pressure waves to a subject of an imaging procedure. In one configuration, the passive driver includes a flexible bag that forms the walls of an acoustic cavity, and a structure filling material located inside the acoustic cavity provides support for the flexible bag. The flexible bag conforms to the shape of the subject and may be held in place by an elastic band. The passive driver can have an integrated or detachable non-active push-on compartment which is rigid or semi-flexible to improve the human-driver mechanical coupling and the driver energy efficiency of converting acoustic pressure to mechanical vibration applied to a subject. | 10-25-2012 |
20120271151 | Method for Determining Locations of Implanted Electrodes with Medical Images - A method for accurate localization and visualization of implanted electrodes, such as implanted intracranial electrodes, is provided. More particularly, a realistic representation of intracranial electrode positions on patient-specific post-implantation MRI brain renderings is obtained. The resulting computer models provide an accurate depiction of electrode locations on three-dimensional brain renderings that are suitable for use in surgical planning of resection boundaries around, for example, epileptic zones. Electrodes placed inter-hemispherically are also visible with this method. In addition, a method for creating electrode “shadows” cast upon the brain model surface is provided. These electrode shadows are useful for estimating cortical areas sampled by iEEG and for locating electrodes that may straddle sulci and contact two adjacent cortical gyri. | 10-25-2012 |
20120283548 | METHOD AND DEVICE TO ASSIST A PATIENT IN RE-ASSUMING A DEFINED BREATH HOLD POSITION FOR AN IMAGE ACQUISITION - In a method and device to assist a patient in the resumption of a defined breath hold position for an image acquisition, in particular a magnetic resonance image acquisition, reference data describing the defined breath hold position are acquired in a first breath hold phase by a measurement device, measurement data describing the current breath hold position are acquired with the measurement device and are compared with the reference data in the preparation of an additional breath hold phase, and information describing the deviation of the measurement data from the reference data is emitted by an output device in a humanly-perceptible form. | 11-08-2012 |
20120289815 | METHODS AND DEVICES FOR DIAGNOSING, MONITORING, OR TREATING MEDICAL CONDITIONS THROUGH AN OPENING THROUGH AN AIRWAY WALL - Methods and devices for diagnosing, monitoring, and/or treating tissue through an opening or port through an airway wall are provided herein. | 11-15-2012 |
20120289816 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either within the brain. Once positioned at a desired location, the obturator is removed, leaving a distal end of the outer sheath adjacent an area of interest, and creating a working corridor. Interrogation of the area of interest may be performed to evaluate a disorder and/or abnormality, as well as evaluate treatment regimes. Interventional devices may also be introduced to the area of interest, as well as a variety of treatments. | 11-15-2012 |
20120296195 | APPARATUS AND METHOD FOR DETECTION AND MONITORING OF ELECTRONICAL ACTIVITY AND MOTION IN THE PRESENCE OF A MAGNETIC FIELD - The invention generally provides a method of detecting or monitoring the characteristics (including change over time) of at least one electrical indicator of the function of a tissue in a biological organism in the presence of a magnetic field. Preferably, the magnetic field is generated by a magnetic resonance imaging (MRI) scanner. The method preferably also comprises one or more steps of detecting or monitoring sources of unwanted signal, and compensating for, or avoiding the unwanted signal. Unwanted signal includes signals arising in part due to the presence of the magnetic field, and/or directly measuring such unwanted signals for the purposes of avoidance of or compensation for the unwanted signals. Preferably, the method also enables detecting motion of the subject during the performance of the method steps discussed in the preceding two paragraphs. | 11-22-2012 |
20120296196 | Method for assisting a person performing a minimally invasive intervention with a catheter involving a puncture of a septum and x-ray device - A method for assisting a person performing a minimally invasive intervention with a catheter involving a puncture of a septum, in particular of a heart, is proposed. A three-dimensional image data record is recorded showing an anatomical structure in the region of the septum. An item of septum information showing the position of the septum is determined in the image data record and additional information is derived from the position of the anatomical structure influencing or showing the selection of a puncture site. During the intervention, the fluoroscopic images of the region are continuously recorded and a current fluoroscopic image is displayed and superimposed with the septum information and/or the additional information based on a registration of the image data record with the fluoroscopic images. | 11-22-2012 |
20120296197 | Therapeutic Apparatus - A therapeutic apparatus comprising a high intensity focused ultrasound system ( | 11-22-2012 |
20120310079 | MEDICAL APPARATUS INSTALLATION, AND METHOD FOR CONTROLLING A MEDICAL APPARATUS - In a medical apparatus and method, the apparatus installation has a placement device for a patient, into which placement device is integrated at least one electromechanical sensor. A signal evaluation device is supplied with the measurement signals generated with the at least one electromechanical sensor, for evaluation. The medical apparatus is connected with the signal evaluation device, and the medical apparatus acquires measurement signals that relate to breathing and/or cardiac activity of the patient with the at least one electromechanical sensor upon support of the patient on said placement device. Trigger signals are generated with the signal evaluation device based on the measurement signals which relate to breathing cycle and/or cardiac cycle of the patient. The operation of the medical apparatus is controlled based on the trigger signals. | 12-06-2012 |
20120316424 | SURGICAL INSTRUMENTS FOR USE WITH DIAGNOSTIC SCANNING DEVICES - A surgical instrument for treating tissue during use of a diagnostic scanning device. The surgical instrument includes a housing, an actuating mechanism and an end effector assembly. The actuating mechanism is configured to activate the end effector assembly to treat tissue. At least a portion of the end effector is made of a material that is compatible with the diagnostic scanning device and allows a user to insert and activate the end effector to treat tissue at a surgical site within a patient while the surgical site is monitored during diagnostic scanning device. | 12-13-2012 |
20120316425 | TIMING OF A PLURALITY OF IMAGING OBSERVATION ELEMENTS BASED ON A VOLUME OF INTEREST - Systems and methods are provided for timing of a plurality of imaging observation elements based on a volume of interest (VOI). One system includes a first imaging element configured to generate a first observation of a first object, wherein the first observation is generated at a first time, and the first object is associated with a volume of interest (VOI). A second imaging element is configured to generate a first observation of a second object, the first observation of the second object generated at a second time, wherein the second object is associated with the VOI. The system is configured to determine a first positioning of the VOI based on the first observation of the first object and the first observation of the second object, determine a plurality of imaging times for the first imaging element to generate a plurality of additional observations of the first object. | 12-13-2012 |
20120316426 | IMAGE GUIDED HIGH INTENSITY FOCUSED ULTRASOUND TREATMENT OF NERVES - A method for using high intensity focused ultrasound (HIFU) to treat neurological structures to achieve a desired therapeutic effect. Depending on the dosage of HIFU applied, it can have a reversible or irreversible effect on neural structures. For example, a relatively high dose of HIFU can be used to permanently block nerve function, to provide a non-invasive alternative to severing a nerve to treat severe spasticity. Relatively lower doses of HIFU can be used to reversibly block nerve function, to alleviate pain, to achieve an anesthetic effect, or to achieve a cosmetic effect. Where sensory nerves are not necessary for voluntary function, but are involved in pain associated with tumors or bone cancer, HIFU can be used to non-invasively destroy such sensory nerves to alleviate pain without drugs. Preferably, ultrasound imaging synchronized to the HIFU therapy is used to provide real-time ultrasound image guided HIFU therapy of neural structures. | 12-13-2012 |
20120316427 | TIMING TECHNIQUES FOR MAGNETIC RESONANCE IMAGING - The disclosure is directed to techniques in which magnetic resonance imaging (MRI) is coordinated with the operation of an implantable medical device (IMD). By using an IMD to sense conditions, MRI can be improved because the sensed conditions can accurately define timing for application of electromagnetic radiation bursts. Moreover, by applying stimulation pulses specifically to coordinate the electromagnetic radiation bursts, the MRI may also be improved. | 12-13-2012 |
20120323111 | METHOD AND SYSTEM FOR CHARACTERIZING AND VISUALIZING ELECTROMAGNETIC TRACKING ERRORS - A calibration/surgical tool ( | 12-20-2012 |
20120330128 | PET-MRI CONVERGENCE SYSTEM - A Positron Emission Tomography (PET)-Magnetic Resonance Imaging (MRI) convergence system may be provided that includes: a magnet bore having a cylindrical shape, an outer wall and an inner wall; a gradient coil disposed to contact with the inner wall of the magnet bore; a body coil which is disposed to contact with the inner wall of the gradient coil, emits an RF pulse signal, and has a first through-hole formed therein; and an MRI RF receiving coil detecting MRI data corresponding to the RF pulse signal. The PET detector includes a second through-hole formed therein and contacts with one end of the body coil such that the first through-hole is connected to the second through-hole. The examinee transporter is transportable through the first through-hole and the second through-hole. | 12-27-2012 |
20120330129 | MEDICAL VISUALIZATION SYSTEMS AND RELATED METHODS OF USE - Embodiments of the disclosure relate to medical devices and, in particular, to medical visualization systems and methods of use. In one embodiment, a medical visualization system may include a video source configured for insertion into a patient and an external data source. A central processing unit in communication with the video source and the external data source may be configured to merge data from the video source and data from the external data source into a left hybrid image and a right hybrid image. The medical visualization system may further include eyewear having left and right oculars in communication with the central processing unit. The left ocular and right ocular may each include a display, and the displays may be configured to project the left hybrid image on the left display and the right hybrid image on the right display. | 12-27-2012 |
20120330130 | ASSEMBLY TO PERFORM IMAGING ON RODENTS - An imaging device for imaging an anaesthetized animal such as a rodent (rats or mice or other animals), with the device having a split array coil capable of providing at least two channels for use in a restraining assembly with animal bed for magnetic resonance imaging (MRI) the animal in real-time in a non-destructive manner. | 12-27-2012 |
20120330131 | MR COMPATIBLE COMPRESSION BASED NUCLEAR IMAGING SYSTEM FOR BREAST CANCER - An apparatus combines magnetic resonance (MR) and nuclear imaging of human breast for cancer diagnosis. An MRI system including an MR breast RF coil is combined with a nuclear imaging system having a detector disposed or disposable within the MR breast RF coil arranged and configured for the performance of simultaneous or sequential coregistered breast MRI and nuclear imaging. A selectively controlled compression mechanism for lightly compresses the breast being imaged. The remotely controlled compression mechanism is integrated with the MR breast RF coil. | 12-27-2012 |
20130006091 | SYSTEM AND METHOD FOR A COMBINED MRI-PET IMAGER - A combined magnetic resonance imager (MRI) and positron emission tomography (PET) imager and a method of performing combined MRI-PET imaging of an object is disclosed herein. The combined MRI-PET imager includes an MRI bore configured to perform MR imaging of the object. The MRI bore is sized so as to provide clearance between the MRI bore and the object within the MRI bore. The dedicated MRI-PET imager further includes a PET detector system is disposed outside the MRI bore to detect PET emissions from the object. The PET detector system includes at least one detector element retractably arranged exterior to the MRI bore. During the PET acquisition, the PET detector elements contract to a size so as to provide optimal clearance between the PET detectors and the object. During MRI acquisition, the PET detectors retract to allow the object to traverse into the MRI field of view | 01-03-2013 |
20130006092 | Magnetic Nanoparticle Compositions and Methods of Use Thereof - The present invention relates to diagnosis and treatment of medical conditions using magnetic nanoparticle compositions. | 01-03-2013 |
20130006093 | RADIATION TREATMENT WITH MULTIPLE IMAGING ELEMENTS - Methods, and apparatuses are provided that include a first imaging element configured to generate a first observation of a first object, the first observation of the first object being generated at a first time, wherein the first object is associated with a volume of interest (VOI). The system further includes a second imaging element configured to generate a first observation of a second object, wherein the first observation of the second object is generated at a second time, and the second object is associated with the VOI. A first positioning of the VOI is determined based on the first observation of the first object and the first observation of the second object, a third time for the first imaging element is determined based on a positioning parameter associated with the first positioning of the VOI, and a second observation of the first object is generated at the third time. | 01-03-2013 |
20130006094 | SYSTEMS, METHODS, COMPOSITIONS AND DEVICES FOR IN VIVO MAGNETIC RESONANCE IMAGING OF LUNGS USING PERFLUORINATED GAS MIXTURES - Systems and methods for generating MRI images the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and at least about 20.5% oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture. | 01-03-2013 |
20130006095 | METHODS ASSOCIATED WITH MRI SURGICAL SYSTEMS FOR REAL-TIME VISUALIZATIONS USING MRI IMAGE DATA AND PREDEFINED DATA OF SURGICAL TOOLS - MRI-Surgical systems include: (a) at least one MRI-compatible surgical tool; (b) a circuit adapted to communicate with an MRI scanner; and (c) at least one display in communication with the circuit. The circuit electronically recognizes predefined physical characteristics of the at least one tool to automatically segment MR image data provided by the MRI scanner whereby the at least one tool constitutes a point of interface with the system. The circuit is configured to provide a User Interface that defines workflow progression for an MRI-guided surgical procedure and allows a user to select steps in the workflow, and wherein the circuit is configured to generate multi-dimensional visualizations using the predefined data of the at least one tool and data from MRI images of the patient in substantially real time during the surgical procedure. | 01-03-2013 |
20130012804 | METHODS FOR PHYSIOLOGICAL MONITORING, TRAINING, EXERCISE AND REGULATION - A computer assisted method for measuring activity of one or more internal voxels of a brain using computer executable logic that receives and utilizes the measured brain activity. The computer assisted methods can relate to physiological monitoring, training, exercise and regulation. | 01-10-2013 |
20130012805 | COMPUTER AIDED DIAGNOSTIC METHOD AND DEVICE - A method for generating a map of a region of a patient's body containing one or more lesions that provides information about MR diffusion properties and/or level of suspicion of malignancy. Performing at least one first scan of the region with an MRI apparatus set to a first b value to obtain a first matrix of pixel or voxel values, int(B | 01-10-2013 |
20130030282 | SYNTHESIS AND CHARACTERIZATION OF NEAR IR FLUORESCENT MAGNETIC AND NON-MAGNETIC ALBUMIN NANOPARTICLES FOR BIOMEDICAL APPLICATIONS - The present invention discloses Near Infrared (NIR) fluorescent albumin nanoparticles having a structure selected from a core structure or a core-shell structure. Also disclosed are a process of preparing these NIR fluorescent albumin nanoparticles, and a method of in vivo detection of pathologies, in particular cancer pathology, by using administering these NIR fluorescent albumin nanoparticles to a patient. | 01-31-2013 |
20130030283 | Motion Compensated Image-Guided Focused Ultrasound Therapy System - An image-guide therapy system comprises a thermal treatment device (e.g., an ultrasound transducer) configured for transmitting a therapeutic energy beam, and The system further comprises an imaging device (e.g., a magnetic resonant imaging (MRI) device) configured for acquiring images of the target tissue mass and the thermal treatment device. The system further comprises a controller configured for controlling thermal dose properties of the thermal treatment device to focus the energy beam on a target tissue mass located in an internal body region of a patient, and a processor configured for tracking respective positions of the thermal treatment device and the target tissue mass in a common coordinate system based on the acquired images. The system may optionally comprise a display configured for displaying the acquired images. | 01-31-2013 |
20130035582 | HIGH INTENSITY FOCUSED ULTRASOUND TRANSDUCER OPTIMIZATION - When planning magnetic resonance (MR) guided high intensity focused ultrasonic (HIFU) therapy, HIFU transducer element parameters are optimized as a function of 3D MR data describing a size, shape, and position of a region of interest (ROI) ( | 02-07-2013 |
20130035583 | METHOD AND APPARATUS FOR PROCESSING MEDICAL IMAGE, AND ROBOTIC SURGERY SYSTEM USING IMAGE GUIDANCE - A synthesis image in which medical images captured using different medical image capturing apparatuses are registered is generated by mapping the medical images to each other. The synthesis image may be used for image guidance while a diagnosis or a robotic surgery of a patient is being performed. | 02-07-2013 |
20130035584 | Robotic Linac Adaptation (RLA) for the in-line MRI-linac Configuration - An in-line MRI-linac apparatus is provided that includes an MRI magnet of an MRI scanner, where the MRI magnetic includes a magnetic field, where the magnetic field has a quasi-uniform fringe field, where the fringe field is proximal to an axis of symmetry of the MRI magnet, and a magnetically unshielded dynamically moveable linac that includes a treatment beam that is aligned with field lines of the fringe field in a quasi axial symmetric configuration, where a position of the linac in the fringe field continuously adapts according to a target position to enable continuous dose delivery to the target. | 02-07-2013 |
20130035585 | INSTRUMENT GUIDING DURING MAGNETIC RESONANCE IMAGING - The invention relates to a preparing apparatus for preparing an influencing procedure for influencing a subject. The preparing apparatus ( | 02-07-2013 |
20130035586 | Radiotherapeutic Apparatus - We provide a radiotherapeutic apparatus comprising a patient support, magnetic coils disposed around the patient support for creating a magnetic field therewithin, a radiation source producing a beam of radiation directed toward the patient support and mounted on a rotatable support thereby to rotate the radiation source around the patient support, a slip ring for conveying electrical power to the radiation source and located around the patient support, including at least one electrical interruption therein. This creates a slip ring in which there is no continuous circumferential path, and one in which the current is therefore forced to take a route via one side or the other. | 02-07-2013 |
20130035587 | Radiotherapy Apparatus - A radiotherapy apparatus is described which includes a patient support, a magnetic resonance imaging (MRI) apparatus for obtaining imaging data of a patient positioned on the patient support, and multiple linear accelerators, each aligned in a plane transverse to the patient support and arranged to provide a therapeutic beam of x-ray radiation to the patient. | 02-07-2013 |
20130041249 | METHOD FOR TEMPERATURE CONTROL IN MAGNETIC RESONANCE-GUIDED VOLUMETRIC ULTRASOUND THERAPY - In a method for temperature control in MR-guided administration of ultrasound, ultrasound therapy is administered to a patient at an in vivo site by emitting focused ultrasound into the site at multiple foci with a multi-focus ultrasound therapy device. The temperature is monitored in a localized region of an examination subject in which the site is located firing said therapy in real-time by MR thermometry. From the MR thermometry, characteristics of the temperature distribution in the monitored region of the examination subject are automatically identified. Temperature control is implemented by regulating the energy output of the ultrasound therapy device, according to a rapidly converging master equation. | 02-14-2013 |
20130046168 | METHOD AND SYSTEM OF CHARACTERIZATION OF CAROTID PLAQUE - A system and method of obtaining and analyzing ultrasound images of a patient provides for the identification of specific tissue types in using the image data. A feature vector set of sub-regions of the region of interest is obtained, dimensionally reduced and evaluated using a heuristic to identify the tissue type. Where the tissue type is suitable for image standardization, the overall gray scale of the image is adjusted with respect to a predetermined gray scale for the identified tissue type. The image may be segmented and plaque regions identified and characterized. The characterized plaque and other parameters such as percent stenosis may be used to determine a risk score for the patient. | 02-21-2013 |
20130046169 | MRI-GUIDED NANOPARTICLE CANCER THERAPY APPARATUS AND METHODOLOGY - An apparatus and method direct nanoparticles in a body part under imaging guidance using at least one electromagnet configured and operable to create a magnetic field gradient used to direct the nanoparticles, wherein, the magnetic field gradient used to direct the nanoparticles does not substantially interfere with the use of magnetic field gradients whose purpose is to image the body part. | 02-21-2013 |
20130046170 | DETERMINING RESPIRATORY OR CIRCULATORY HEALTH CONDITION IN ANIMALS FOR IMPROVED MANAGEMENT - A method and system for managing at least one animal is disclosed. The method can include imaging, such as ultrasound imaging, a lung of a live animal, such as a ruminant or bovine. The imaging can be performed to determine a degree of respiratory damage from past respiratory illness. After imaging, information regarding respiratory damage can be used to select at least one aspect of the treatment, care or disposition of the animal. For example, the information can be used to select the amount or type of feed provided to the animal at a feedlot. The information also can be used to select how long the animal should be housed at the feedlot prior to slaughter. If an animal is diagnosed with a respiratory illness, information about its degree of respiratory damage from past respiratory illness also can be used to select the appropriate medical treatment or lack of treatment. | 02-21-2013 |
20130053678 | Avoiding MRI-Interference with Co-existing Systems - MRI interference with a co-existing treatment system may be reduced or avoided by carrying out RF-sensitive operations of the treatment system only when gradient field activity of the MRI system is suppressed. | 02-28-2013 |
20130053679 | MULTI-MODALITY IMAGE ACQUISITION - One or more techniques and/or systems are described for automatically generating a transformation matrix for correlating images from an ultrasound modality with images from another modality (or with ultrasound images acquired at a different point in time). Ultrasound volumetric data and volumetric data yielded from another image modality are examined to identify and/or extract features. The transformation matrix is automatically generated, or populated, based at least in part upon common features that are identified in both the ultrasound volumetric data and the volumetric data yielded from the other image modality. The transformation matrix can then be used to correlate images from the different modalities (e.g., to display a CT image of an object next to an ultrasound image of the object, where the images are substantially similar to one another even though they were acquired using different modalities). | 02-28-2013 |
20130053680 | System and Method for Identification of Medical Device - A system and method for rapidly and accurately identifying an implantable medical device is disclosed, said identification including, for example, the manufacturer and model or type of the implantable device, and further assisting the surgeon and other medical professionals in identifying the instruments used to adjust and/or remove the medical device. | 02-28-2013 |
20130053681 | INFORMATION PROCESSING APPARATUS, ULTRASONIC IMAGING APPARATUS, AND INFORMATION PROCESSING METHOD - An ultrasonic imaging support apparatus for supporting imaging performed by an ultrasonic probe that acquires an ultrasonic image of a subject includes a specification unit configured to specify a position inside the subject in a three dimensional image, an identification unit configured to identify a position on a body surface of the subject based on the specified position, and a display control unit configured to display a position where the ultrasonic image acquired by the ultrasonic probe is captured and the identified position on a display unit. | 02-28-2013 |
20130053682 | GYNECOLOGICAL BRACHYTHERAPY APPLICATOR FOR USE IN MR-GUIDED INTRACAVITARY BRACHYTHERAPY - A gynecological brachytherapy applicator for use in delivering a radiation dose to a tumor affecting a uterus and a cervix of a patient is described herein. The applicator includes an intrauterine tandem that includes a base portion and a tip portion extending outwardly from the base portion. The tip portion is configured to be inserted within the uterus to facilitate delivering a radiation dose to an area including the uterus and the cervix. The tandem is configured to reduce metal artifacts in MR images of the tandem within the patient to facilitate improving visualization and localization of the tandem in the MR images during MR-guided intracavitary brachytherapy. | 02-28-2013 |
20130060127 | ULTRASONICALLY VISIBLE SCORING BALLOON - An angioplasty balloon ( | 03-07-2013 |
20130060128 | METHOD FOR OPERATING A RADIATION THERAPY SYSTEM - A method is disclosed for operating a radiation therapy system. The radiation therapy system includes a magnetic resonance apparatus. In an embodiment of the method, an irradiation plan is received for a patient. While the patient is arranged in the radiation therapy system and a hyperpolarized contrast agent has been administered, magnetic resonance data of the patient is acquired. In the magnetic resonance data, molecular irradiation target areas are determined on the basis of the hyperpolarized contrast agent and the received irradiation plan is corrected as a function of the molecular irradiation target areas determined in the magnetic resonance data. A molecular irradiation target area relates to an area of the patient with a molecular property. | 03-07-2013 |
20130079625 | CT - MRI HYRBRID APPARATUS AND METHOD OF IMPLEMENTING THE SAME - An apparatus and method for non-invasively obtaining an image featuring information on internal human tissues, and more particularly to an apparatus and method for integrating computed tomography (CT) or computerized axial tomography (CAT) and magnetic resonance imaging (MRI) to provide high spatial-accurate resolution images which feature tumor information on human internal tissues especially as a part of a radiotherapy treatment. The apparatus includes a first section for obtaining a first set of images of a subject using a first method, a second section for obtaining a second set of images of the subject using the second method, the second method being different from the first method, and a board for carrying the subject through the first and second sections, the board being movable between the first and second sections. | 03-28-2013 |
20130090546 | SPINAL CORD FUNCTION ASSESSMENT - A device, system and methods are described for stimulating multiple dermatones on a body in accordance with a stimulation pattern. Magnetic resonance images are captured during the application of the stimulation pattern and the captured images are processed. The images are processed using information about the applied stimulation pattern to assess spinal cord function. | 04-11-2013 |
20130090547 | Combined Imaging Modalities for Radiation Treatment Planning - A system includes acquisition of a first three-dimensional image of a patient volume using a magnetic resonance imaging scanner, acquisition of a second three-dimensional image of the patient volume using cone beam radiation emitted by the linear accelerator, and generation of a radiation treatment plan based on the first image and the second image. | 04-11-2013 |
20130090548 | AUTOMATED RENAL EVALUATION SYSTEMS AND METHODS USING MRI IMAGE DATA - Renal screening systems include a circuit configured to electronically analyze MRI image data of a subject to evaluate renal function and generate a renal-risk report for a plurality of different therapeutic agents based on renal responses to test doses of each of the agents. | 04-11-2013 |
20130090549 | SIMULTANEOUS MULTI-MODALITY INVERSE OPTIMIZATION FOR RADIOTHERAPY TREATMENT PLANNING - When performing multimodal radiotherapy planning, an optimizer ( | 04-11-2013 |
20130090550 | METHODS OF IDENTIFYING PATIENTS WITH OVARIAN EPITHELIAL NEOPLASMS BASED ON HIGH-RESOLUTION MASS SPECTROMETRY - Methods for identifying patients with ovarian neoplasms are provided herein comprising performing an assay step of detecting a metabolite in a serum sample of a patient where the metabolite is probably not produced by a tumor but could induce the development of a tumor, and the presence of the metabolite being indicative of an increased likelihood that the patient has ovarian cancer, | 04-11-2013 |
20130096416 | METHOD AND APPARATUS FOR MEASURING A RATIO OF A VARIABLE IN MEDICAL IMAGING DATA - In a method and apparatus for measuring a ratio of a variable for assessment in medical imaging data of a subject, a viewable image is generated from source imaging data of the subject. A pair of regions of interest for arrangement on the viewable image is then generated, and a value of the variable for each region of the pair from the source imaging data is determined. The ratio of the two values is then determined from the pair. | 04-18-2013 |
20130102878 | Trackable Biopsy Needle - A trackable biopsy needle assembly including an inner tube of an outer cannula, an inner dielectric layer, a first coil, a second coil, a third coil, an outer dielectric layer, and an outer tube of the outer cannula. The inner tube defines a bore. The inner dielectric layer is secured onto an outer surface of the inner tube. The first, second, and third coils are wound over the inner dielectric layer. The outer dielectric layer is secured onto the first coil, the second coil, and the third coil. The outer tube is fastened to the outer dielectric layer. | 04-25-2013 |
20130102879 | Method For Correcting Susceptibility-Induced Image Artifacts In MRI After Prospective Motion Correction - A method of magnetic resonance imaging (MRI) is characterized by the following steps: a) forming a susceptibility model ( | 04-25-2013 |
20130109955 | CONTROL UNIT AND MEDICAL EXAMINATION APPARATUS | 05-02-2013 |
20130109956 | PREMATURE NEONATE LIFE SUPPORT ENVIRONMENTAL CHAMBER FOR USE IN MRI/NMR DEVICES | 05-02-2013 |
20130116541 | Self-Assembled, Micropatterned, and Radio Frequency (RF) Shielded Biocontainers and Their Uses for Remote Spatially Controlled Chemical Delivery - The present invention relates to a nanoscale or microscale particle for encapsulation and delivery of materials or substances, including, but not limited to, cells, drugs, tissue, gels and polymers contained within the particle, with subsequent release of the therapeutic materials in situ, methods of fabricating the particle by folding a 2D precursor into the 3D particle, and the use of the particle in in-vivo or in-vitro applications The particle can be in any polyhedral shape and its surfaces can have either no perforations or nano/microscale perforations The particle is coated with a biocompatible metal, e g gold, or polymer e g parvlene, layer and the surfaces and hinges of the particle are made of any metal or polymer combinations. | 05-09-2013 |
20130116542 | MEDICAL IMAGING METHOD AND SYSTEM - In an imaging procedure, sound pressure is generated by applying ultrasound to the region to be imaged in order to cause a deformation of tissue therein from at least one acquired ultrasound image data set, first data are determined that represent, with spatial resolution, the deformation of the tissue as a reaction to the sound pressure. At least one magnetic resonance image data set is acquired, from which second data are determined that represent, with spatial resolution, the deformation of the tissue as a reaction to the sound pressure. The at least one ultrasound image data set and the at least one magnetic resonance image data set are brought into registration with each other by a comparison of the first data and the second data. | 05-09-2013 |
20130116543 | MRI-GUIDED DEVICES AND MRI-GUIDED INTERVENTIONAL SYSTEMS THAT CAN TRACK AND GENERATE DYNAMIC VISUALIZATIONS OF THE DEVICES IN NEAR REAL TIME - An MRI-guided medical device includes an elongated sheath, an elongated dilator, and an elongated needle. The sheath has a distal end, an opposite proximal end, and a central lumen extending between the proximal and distal ends. The sheath comprises MRI-compatible material and includes a tracking member located adjacent to the sheath distal end that is visible in an MRI image. The dilator comprises MRI-compatible material and is movably disposed within the sheath lumen. A distal end of the dilator is configured to extend outwardly from the sheath distal end and dilator includes at least one tracking member that is visible in an MRI image. The needle is movably disposed within the dilator lumen and is movable between stored and operative positions relative to the dilator. An RF shield may be coaxially disposed within the elongated sheath so as to surround a portion of the sheath central lumen. | 05-09-2013 |
20130116544 | DUAL PRESSURE SENSOR SIGNAL CHAIN TO REMOVE MUTUALLY-COUPLED MRI INTERFERENCE - Apparatus and methods provide a physiological status sensing device ( | 05-09-2013 |
20130123609 | Flexible Coil for MR Experiments on Small Animals - A flexible coil device for supporting imaging experiments on subjects, such as small animals. The device has a rigid part where electronics are accommodated and a flexible loop acting as a receiving coil that picks up the imaging signal. The flexible loop allows its shape to be adapted to the particular shape of the imaged subject at the point of placement. This provides a better filling factor and hence better SNR of the region of interest (ROI). This has the advantage that various imaging applications pose less of a compromise than with rigid coils. The flexible loop can be positioned right against the region of interest (ROI) and so maximises the filling factor and the image SNR. | 05-16-2013 |
20130131493 | METHOD AND APPARATUS FOR PERFORMING DUAL-MODALITY IMAGING - A method for performing an examination of a patient using a dual-modality imaging system includes accessing a list that includes a magnetic resonance imaging (MRI) examination protocol to be used to perform a predetermined MRI examination, the examination protocol including a plurality of MRI protocol actions, receiving an input selecting at least one of the MRI protocol actions, scanning the patient using the MRI examination protocol, scanning the patient using a positron emission tomography (PET) imaging system to acquire PET data, and marking the PET data, using a first visual indication, to indicate the selected MRI protocol action. An imaging system and a non-transitory computer readable medium are also described herein. | 05-23-2013 |
20130131494 | METHOD AND SYSTEM FOR GUIDED SHIELDING OF A PATIENT VOLUME FROM ULTRASOUND ENERGY - In order to decrease collateral heating of ribs and tissue surrounding the ribs in a patient during high-intensity focused ultrasound (HIFU) therapy, shielding material may be positioned on or adjacent to an external surface of the patient and aligned with ribs to be protected using a magnetic resonance imaging (MRI) system. The MRI system may be used to image the shielding material and the ribs to be protected, and an error of alignment between the ribs to be protected and the shielding material may be determined based on the images. The shielding or masking material may be repositioned based on the determined error of alignment, images of the shielding material and the ribs to be protected may be reacquired, and the error of alignment may be redetermined based on the reacquired images until the shielding material is aligned with the ribs to be protected. | 05-23-2013 |
20130131495 | PLANNING SYSTEM FOR TARGETING TISSUE STRUCTURES WITH ULTRASOUND - The disclosed subject matter provides systems and methods for targeting tissue structures and applying ultrasound thereto. A method according to the disclosed subject matter for targeting a tissue structure using corresponding tissue structure image data includes inputting the tissue structure image data into a targeting simulator, determining acoustic properties of the tissue structure from the corresponding tissue structure image data, and utilizing the determined acoustic properties to align a simulated transducer with the tissue structure such that the tissue structure is targeted. The method can further include acquiring the tissue structure image data, aligning the image data with an atlas of a body structure encompassing the tissue structure and/or selecting parameters of the simulated transducer such that a focal region of an ultrasound wave generated by the simulated transducer targets the tissue structure. | 05-23-2013 |
20130131496 | MRI-GUIDED CATHETERS - An MRI-compatible catheter that reduces localized heating due to MR scanner-induced currents includes an elongated flexible shaft having a distal end portion and an opposite proximal end portion. A handle is attached to the proximal end portion and includes an electrical connector interface configured to be in electrical communication with an MRI scanner. One or more RF tracking coils are positioned adjacent the distal end portion of the shaft. Each RF tracking coil includes a conductive lead, such as a coaxial cable, that extends between the RF tracking coil and the electrical connector interface and electrically connects the RF tracking coil to an MRI scanner. In some embodiments of the present invention, the conductive lead has a length sufficient to define an odd harmonic/multiple of a quarter wavelength of the operational frequency of the MRI Scanner, and/or includes a series of pre-formed back and forth segments along its length. | 05-23-2013 |
20130137963 | SYSTEM AND METHOD FOR AUTOMATICALLY INITIALIZING OR INITIATING A MOTION COMPENSATION ALGORITHM - A system and method for automatically initializing or initiating a motion compensation algorithm is provided. The system includes a processing apparatus configured to acquire data representing information relating to movement of a medical device, determine whether the medical device is stationary based on the information represented by said data, and automatically initiate the execution of the motion compensation algorithm in response to a determination that the medical device is stationary. In an exemplary embodiment, the system further comprises the medical device. The method comprises acquiring data representing information relating to movement of a medical device. The method further comprises determining whether the medical device is stationary based on the information represented by the acquired data. The method still further comprises automatically initiating the execution of the algorithm in response to a determination that the medical device is stationary. | 05-30-2013 |
20130137964 | MR GAMMA HYBRID IMAGING SYSTEM - A pendant breast imaging system that operates with a MRI system and which allows a planar gamma camera breast imaging system to be positioned away from the breast area while MRI imaging is occurring, and which then moves into breast imaging position after MRI imaging is complete, and which can again be removed from the breast area to allow intervention to occur is described. It may use various collimator or scintillator materials and designs. | 05-30-2013 |
20130137965 | SMALL TISSUE PROPERTY CHANGE DETECTION IN MAGNETIC RESONANCE GUIDED INTERVENTION - Small tissue property change detection is provided for magnetic resonance (MR) guided intervention. T1 changes from before and after treatment are compared. The comparison identifies locations of possible change. The comparison is performed for different times, one before and one after a zero-crossing of a signal intensity time curve. Due to the characteristics of the T1 mapping, common locations from the different times will have reversed contrast. Clustering and this reversal are used to distinguish the treatment region from noise. | 05-30-2013 |
20130137966 | TISSUE EXTRACTION SYSTEM AND THREE-DIMENSIONAL DISPLAY METHOD OF THE SAME - A tissue extraction system for extracting tissue from a subject by using an image, wherein the tissue extraction system comprises: an imaging unit for arranging coordinate axes to capture a plurality of sequences; a conversion unit for converting the plurality of sequences captured by the imaging unit into histogram space in which the sequences are described in terms of the coordinate axes; and an extraction unit for extracting the tissue of the subject from the distribution of the histogram converted by the conversion unit. | 05-30-2013 |
20130150703 | BIOPSY GRID - A biopsy grid is provided that is useful in medical imaging. The biopsy grid comprises a hydrogel layer containing a mixture of contrast agents that are visible in images from X-ray, CT scans, MRI, and/or positron emission tomographs. The hydrogel mixture is attached to a frame having a silicone coated release liner and an adhesive layer. The hydrogel layer is cut into strips that serve as markers in an image. The biopsy grid can be used to locate the position of the marker relative to a tissue of interest in a medical image. | 06-13-2013 |
20130150704 | MAGNETIC RESONANCE IMAGING METHODS FOR RIB IDENTIFICATION - A method for spatially localizing a rib cage prior to transcostal ultrasound treatment of visceral tissue includes computationally refining a three-dimensional model of the rib cage based on image slices taken at multiple locations along the ribs with orientations dependent on local rib orientations. | 06-13-2013 |
20130158385 | Therapeutic Ultrasound for Use with Magnetic Resonance - Therapeutic ultrasound applicator is provided for use with magnetic resonance system. An array of many elements, such as a multi-dimensional array, is used. To avoid cabling, the transmitters are positioned at the array. The array and transmitters are shielded to reduce interference. To avoid large inductors for the many elements, an acoustic matching layer may be sized to provide a desired phase angle or electrical impedance matching. | 06-20-2013 |
20130158386 | SYSTEM FOR ENSURING PRECISION IN MEDICAL TREATMENT - A system for ensuring precision in medical treatment of a patient comprising one or more clusters of targets attached to a patient, a strapping mechanism or a carrier defining a patient-fixed coordinate system. The system also includes a first electro-optical measurement system for observing the one or more clusters of targets and local reference markers of an imaging system to determine the relationship between the patient-fixed coordinate system and a coordinate system of the imaging system, whereby a location to be treated inside the patient can be calculated in the patient-fixed coordinate system. The system further includes a second electro-optical measurement system for observing the one or more clusters of targets and local reference markers of a treatment system, whereby the location to be treated inside the patient can be calculated in a coordinate system of a treatment system. | 06-20-2013 |
20130158387 | MRI THERMAL IMAGING OF WATER TISSUE AND FAT TISSUE USING TRANSVERSE RELAXOMETRY DATA AND PROTON RESONANCE FREQUENCY SHIFT DATA - An apparatus ( | 06-20-2013 |
20130172728 | ATHEROSCLEROSIS THERAPY VIA DELIVERY AND LOCALIZED HEATING OF MICRO SIZE PARTICLES - The present invention relates generally to the treatment of atherosclerosis and thrombosis. Specifically, the invention relates to a method for removing vascular deposits by locally heating plaque sites with micron size particles that are administered intravenously and are heated inductively. | 07-04-2013 |
20130172729 | ACTIVE ADAPTIVE DETUNING SYSTEMS AND METHODS FOR INTERVENTIONAL DEVICES - Active MRI compatible interventional devices, such as catheters, include at least one RF antenna so that they are visible under MRI analysis. However, metallic structures within intravascular devices may heat up significantly during interventional MRI procedures due to eddy current formation over the conductive transmission lines. The electrical field coupling that occurs between interventional devices and RF signals depend on the position and orientation of interventional device within the bore and the insertion length of the interventional device. The system detects an induced current signal during RF transmission phase and selectively adjusts the impedance value associated with the interventional device by using a varactor and integrated circuit components in such a manner that the currents induced in the interventional device are below a threshold current level, thereby controlling current levels and heating in the interventional device. | 07-04-2013 |
20130184559 | Magnetic Resonance Imaging Compatible Positron Emission Tomography Detector - A compact magnetic resonance imaging compatible positron emission tomography detector. The detector has integrated mechanical and electrical subcomponents. The detector uses a cooling channel which does not interfere with magnetic resonance imaging. The layout and selection of electrical subcomponents of the detector, along with a magnetic resonance compatible cooling strategy, enables the detector to function in a magnetic resonance imaging environment. | 07-18-2013 |
20130184560 | GUIDE BLOCK FOR BIOPSY OR SURGICAL DEVICES - A guide block for an MRI device has a block body with a proximal face, a distal face, and a plurality of passageways extending between the two faces. A first guide passageway within the guide block is open along the body length, extends between the proximal face and the distal face, and is configured to receive a tissue-removing device. A second guide passageway within the guide block is open along the body length, extends between the proximal face and the distal face, and is configured to receive the tissue-removing device. A longitudinal opening extends between the first guide passageway and the second guide passageway, and is coextensive with the first guide passageway and the second guide passageway between the proximal face and the distal face. | 07-18-2013 |
20130190602 | 2D3D REGISTRATION FOR MR-X RAY FUSION UTILIZING ONE ACQUISITION OF MR DATA - Systems and methods for 2D3D registration of apply MR volumes and X-ray images using DRR techniques. A bone classifier is trained from co-registered UTE1, UTE2 and CT prior images. Dual-echo MR UTE1 and UTE2 images are acquired from a patient. The bone structure of the patient is classified and a labeled segmentation is generated. A DRR image is generated from the labeled segmentation and is registered with an X-ray image of the patient. The registration methods are implemented on a processor based system. | 07-25-2013 |
20130190603 | METHOD FOR ULTRASOUND FOCAL SPOT SHAPING - The focus of a focused ultrasound system is calibrated with respect to a frame-of-reference, such as that of a magnetic resonance system, by selectively activating only specific regions of the ultrasound transducer of the ultrasound system, thereby altering the shape of the focus. The focal shape is selectively modified in shape and positioned in successive steps of a calibration procedure, while moving the focus through successive localizers of the frame-of-reference. The parameters for operating the ultrasound system when the calibration procedure is completed are stored as parameters that accurately position the focus of the ultrasound system with respect to the frame-of-reference. | 07-25-2013 |
20130190604 | Drive System for a Head Clamp for Use in Imaging by Magnetic Resonance and X-Ray - A head clamp for Magnetic Resonance and X-ray imaging is generally C-shaped including a base and two legs carrying pin clamp members. A course and fine adjustment system allows one of the clamp members to move inwardly relative to the other and then to be finely adjusted so as to apply a clamping force to the skull. The C-shaped support member comprises a truss with a C-shaped inner band adjacent the skull, an outer band generally following the shape of inner band and a plurality of openings defining spaced bars between the inner band and the outer band. The adjustment system comprises a screw that adjusts the width of the C-shaped member at the base and at one leg and includes a gauge to measure force applied with the mechanism located outside the field of view of the head both vertically and horizontally. | 07-25-2013 |
20130190605 | METHODS AND COMPOSITIONS FOR OBJECTIVELY CHARACTERIZING MEDICAL IMAGES - Methods and compositions are provided for objectively characterizing a pathological lesion in a patient. The method comprises: introducing into the patient a contrast enhancing agent; subjecting the patient to at least one of magnetic resonance imaging and computed tomography to obtain an image; and applying a 3-D autocorrelation function to a subdomain of interest of the image to obtain at least one 3-D autocorrelation spectrum. The method may further comprise comparing the at least one 3-D autocorrelation spectrum to a pre-existing 3-D autocorrelation spectrum that is characteristic for the pathological lesion. In one example, the methods and compositions may be useful for identifying and objectively characterizing amyloid plaque deposits characteristic of Alzheimer's Disease. | 07-25-2013 |
20130190606 | COMBINED QUANTITATIVE MRI AND QUANTITATIVE MRS FOR DIAGNOSIS OF ALZHEIMERS DISEASE AND HIPPOCAMPAL SCLEROSIS - Using both quantitative MRI and quantitative MRS, the inventor demonstrates herein that as age and dementia progress, hippocampal volume (HV), amygdala volume (AV), and NAA/mI ratio all decrease compared to normal controls. The inventor's data also demonstrate herein that NAA/mI vs. total amygdala volume showed a very strong linear correlation, while NAA/mI vs. mean total hippocampal volume had a lesser but still significant correlation. Further, after analyzing the data derived from both quantitative MRI and quantitative MRS methods, the inventor made the surprising discovery that the two tests, when combined, provide significantly improved biomarkers over either alone, and are more effective at early MCI and/or AD diagnosis, as well as HS diagnosis. | 07-25-2013 |
20130197348 | CHARGE CONTROL FOR HIGH VOLTAGE THERAPY ENERGY STORAGE COMPONENT - This disclosure provides an implantable medical device comprising a power source a therapy module that includes at least one energy storage component, and a charging module coupled between the power source and the therapy module. The charging module is configured to control charging of the at least one energy storage component of the therapy module. The charging module may be further configured to detect a condition indicative of improper charging, to detect a condition indicative of the implantable medical device being subjected to fields generated by an magnetic resonance imaging (MRI) device, and to terminate charging of the at least one energy storage component when both the condition indicative of improper charging and the condition indicative of the implantable medical device being subjected to fields generated by the MRI device are detected. | 08-01-2013 |
20130197349 | METHOD FOR CALCULATING A VALUE OF AN ABSORPTION PARAMETER IN POSITRON EMISSION TOMOGRAPHY - A method is disclosed for calculating a spatially resolved value of an absorption parameter for a positron emission tomography (PET) scan of an examination object via magnetic resonance tomography (MRT). Magnetic resonance data is acquired within a first region lying within a field of view of a magnetic resonance system and within a second region bordering on the first and lying at the edge of the field of view. The method includes the spatially resolved calculation of a first value of the absorption parameter from the first MR data within the first region and of a second value from the second MR data within the second region. A three-dimensional parameter map is obtained from the first value. This parameter map is extended by the second value such that within the first region and the second region the parameter map has the value of the absorption parameter in spatially resolved form. | 08-01-2013 |
20130197350 | RADIATION FORCE BALANCE CALIBRATOR - A radiation force balance calibrator ( | 08-01-2013 |
20130197351 | BEAM DEFLECTION ARRANGEMENT WITHIN A COMBINED RADIATION THERAPY AND MAGNETIC RESONANCE UNIT - In a radiation therapy and magnetic resonance unit, a magnetic resonance diagnosis part is provided with an interior within which a main magnet generates a main magnetic field, the interior being limited in a radio direction about an axis by the main magnet. A radiation therapy part is provided for irradiation of an irradiation area within the interior, said radiation therapy part comprising an electron beam accelerator providing an electron beam parallel to the main magnet field. At least parts of the radiation therapy part comprise the beam deflection arrangement for deflecting the electron beam toward the axis from an initial trajectory parallel to the axis. The beam deflection arrangement comprises a magnetic arrangement providing a first magnetic field in a region of the beam deflection arrangement but of opposite direction and affective to cancel the main magnet field. The second magnet field is directed perpendicular to a trajectory of the electron beam to cause the electron beam to be deflected inward towards the axis. | 08-01-2013 |
20130204118 | SYSTEM AND METHOD FOR COLLECTION & USE OF MAGNETIC RESONANCE DATA & MICROWAVE DATA TO IDENTIFY BOUNDARIES OF INTEREST - A system and method for detecting permittivity and conductivity boundaries within a high resolution spatial image of a material is presented. Electrical properties of a material, such as permittivity and conductivity, may assist in identification of physical properties of the material. Structural boundaries within tissue may be identified in spatial images, such as MR images. Image reconstruction algorithms may combine these structural boundaries with microwave images of the tissue to determine the permittivity and conductivity parameters within the structural boundaries. In the case of soft tissue, the microwave images may be captured simultaneously with the spatial images. The microwave images may be taken at a different time from the spatial image for rigid tissue. The method may be employed for two dimensional or three dimensional image reconstruction. | 08-08-2013 |
20130204119 | DEVICE FOR MEASURING KNEE LAXITY - The present invention relates to a device ( | 08-08-2013 |
20130204120 | EQUIPMENT AND METHODOLOGIES FOR MAGNETICALLY-ASSISTED DELIVERY OF THERAPEUTIC AGENTS THROUGH BARRIERS - Magnetic gradients are used to transport Magnetic Nano Particles through a barrier, for example, the cribiform (also spelled “cribriform”) plate, which is a porous bony structure which separates the nasal cavity from the cranial vault. By utilizing a configuration of magnets (whether of the electromagnetic type or permanent magnets), MNPs can be propelled, pushed, pulled or otherwise manipulated in relation to an anatomical and/or physiological barrier, to position, re-position or maintain the position(s) of the MNPs. | 08-08-2013 |
20130204121 | NANOPARTICLE-GUIDED RADIOTHERAPY - The present invention relates to a method and nano-sized particles for image guided radiotherapy (IGRT) of a target tissue. More specifically, the invention relates to nano-sized particles comprising X-ray-imaging contrast agents in solid form with the ability to block x-rays, allowing for simultaneous or integrated external beam radiotherapy and imaging, e.g., using computed tomography (CT). | 08-08-2013 |
20130204122 | DEVICE FOR USE IN ELECTRO-BIOLOGICAL SIGNAL MEASUREMENT IN THE PRESENCE OF A MAGNETIC FIELD - A measurement device is presented for use in an EEG measurement performed in the presence of a magnetic field. The device comprises a wiring array for connecting an electrodes arrangement to an electroencephalogram (EEG) monitoring device. The wiring array comprises a plurality of sampling lines arranged to form a first group of sampling lines arranged in a spaced-apart substantially parallel relationship extending along a first axis, at least some of said sampling lines being wire bundles of said first group comprising a plurality of first wires for connecting to a corresponding first plurality of electrodes of said EEG electrodes arrangement; and a second group of sampling lines arranged in a spaced-apart substantially parallel relationship extending along a second axis, intersecting with said first axis, such that said second group of bundles crosses said first group of bundles to form a net structure, at least some of said sampling lines being wire bundles of said second group comprising a plurality of second wires for connecting to a corresponding second plurality of electrodes of said EEG electrodes' arrangement. The wiring array is configured and operable for transmitting a signal measured by the respective electrodes to the EEG monitoring device, enabling generation of EEG data indicative of the neural signal profile along tow directions and characterized by reduced motion artifact and/or reduced gradient artifact associated with the presence of the magnetic field during the EEG measurement. | 08-08-2013 |
20130211231 | METHOD AND SYSTEM FOR VISUALIZATION OF TREATMENT VOLUMES - A method for visualization of treatment volumes includes accessing a plurality of images of a region of interest in a subject that are parallel to a plane. The method also includes delineating a cross section of a first treatment volume and a cross section of a second treatment volume in each of the plurality of images. The method includes reconstructing a three dimensional representation of the first and second treatment volumes from the plurality of images based on the delineated cross sections in the plurality of images. The method includes displaying, in a three dimensional image, a portion of the first treatment volume that is located on a first side of a plane and displaying, in the three dimensional image, at least a part of a portion of the second treatment volume that is located on a second side of the plane. The second side is opposite the first side. | 08-15-2013 |
20130211232 | Arthroscopic Surgical Planning and Execution with 3D Imaging - A method includes obtaining a first three-dimensional (3-D) image of a bone structure, generating a surgical plan based on the first 3-D image and registering the surgical plan to the bone structure to generate a registered surgical plan by obtaining a first 2-D real-time video image of the bone structure and a second 3-D image of the bone structure, and correlating structures from the first 2-D real-time video image and the second 3-D image with the surgical plan. The method also includes obtaining a second 2-D real-time image of the bone structure and overlaying the registered surgical plan onto the second 2-D real-time video image. | 08-15-2013 |
20130211233 | INTEGRATED PET/MRI SCANNER - In the integrated PET/MRI scanner provided with an RF coil for MRI and a plurality of PET detectors in the measuring port of the MRI scanner, the PET detectors are disposed with spaces therebetween and at least the transmitting coil elements of the RF coil for MRI are disposed between adjacent PET detectors. Here, the PET detectors are disposed in the circumferential direction of the measuring port with spaces therebetween and the transmitting coil elements are disposed in the axial direction of the measuring port. Alternatively, at least some of the PET detectors are disposed in the axial direction of the measuring port with spaces therebetween and the transmitting coil elements are disposed between adjacent PET detectors. The PET detectors can be DOI-type detectors capable of detecting position in the depth direction. | 08-15-2013 |
20130218000 | MRI Coil For Imaging Of The Breast And Thoracic Area - The present invention provides a novel MRI coil configuration for breast cancer imaging in preparation for radiation therapy planning and treatment. Both an adjustable anterior and posterior coil sets are described. The coil sets are supported and configured so as not to affect the accurate and repeatable positioning of the patient and breasts. The coil sets are removable so that they can be extracted before radiation therapy treatment commences. | 08-22-2013 |
20130218001 | DOSIMETER, THERAPEUTIC APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR MEASURING RADIATION DOSAGE TO A SUBJECT DURING MAGNETIC RESONANCE IMAGING - A dosimeter ( | 08-22-2013 |
20130218002 | MAGNETIC RESONANCE ELASTOGRAPHY FOR ULTRASOUND IMAGE SIMULATION - Ultrasound data is simulated using magnetic resonance (MR) elastography. MR elastography provides tissue characteristic information, such as elastic modulus, velocity, or stiffness. This tissue characteristic information indicates a density or viscosity of the tissue, allowing simulation of ultrasound data with MR acquired data. The same MR imaging system may be used to acquire the MR elastography and pre-operative anatomy information. The actual ultrasound information may be registered with simulated ultrasound information for registration of the actual ultrasound information with the MR anatomy information. | 08-22-2013 |
20130225973 | METHODS AND DEVICES TO MODULATE THE AUTONOMIC NERVOUS SYSTEM WITH ULTRASOUND - In some embodiments, sympathetic nerves surrounding arteries or leading to organs are targeted with energy sources to correct or modulate physiologic processes. In some embodiments, different types of energy sources are utilized singly or combined with one another. In some embodiments, bioactive agents or devices activated by the energy sources are delivered to the region of interest and the energy is enhanced by such agents. | 08-29-2013 |
20130225974 | MAGNETIC RESONANCE IMAGING SYSTEM AND RADIOTHERAPY APPARATUS WITH AN ADJUSTABLE AXIS OF ROTATION - A therapeutic apparatus ( | 08-29-2013 |
20130225975 | MAGNETIC RESONANCE IMAGING AND RADIOTHERAPY APPARATUS WITH AT LEAST TWO-TRANSMIT-AND RECEIVE CHANNELS - A therapeutic apparatus ( | 08-29-2013 |
20130231553 | METHODS FOR USING ELECTRICAL IMPEDANCE TOMOGRAPHY - Methods for use of EIT. Disclosed are: (1) EIT used to obtain a final solution to an EIT inverse problem for localizing tissues undergoing changes in impedance, which is used as a constraint on solving an EEG source localization inverse problem; (2) EIT used with MREIT, where the MREIT is used to constrain the solutions to the EIT inverse problem for the distribution of static tissue impedance; (3) EIT used with MREIT, where the MREIT is used to constrain the solutions to the EIT inverse problem for localizing tissues undergoing changes in impedance; and (4) EIT according to any of (1)-(3) as feedback for modifying at least one of the location, magnitude, and timing of currents injected for the purpose of neurostimulation. | 09-05-2013 |
20130237806 | METHOD FOR PERFORMING COMBINED MAGNETIC RESONANCE/POSITRON EMISSION TOMOGRAPHY - A method is disclosed for performing a combined magnetic resonance/positron emission tomography scan of an examination object in an MR/PET system. An embodiment of the method entails acquiring first magnetic resonance data using a first readout gradient field. The first readout gradient field is chosen such that, at a location of the field of view of the magnetic resonance system, a distortion caused by a nonlinearity of the first readout gradient field and a distortion caused by a B | 09-12-2013 |
20130237807 | APPARATUS AND METHOD FOR GENERATING MECHANICAL WAVES INTO LIVING BODIES, SYSTEM AND METHOD FOR MAPPING AN ORGAN OR TISSUE AND SYSTEM AND METHOD FOR CHARACTERISING THE MECHANICAL PROPERTIES OF SAID ORGAN OR TISSUE - A method and apparatus ( | 09-12-2013 |
20130245425 | System for Delivering Conformal Radiation Therapy While Simultaneously Imaging Soft Tissue - Devices and processes for performing magnetic resonance imaging of the anatomy of a patient during radiation therapy to measure and control the radiation dose delivered to the patient. | 09-19-2013 |
20130245426 | DIAGNOSTIC IMAGING APPARATUS AND METHOD - A diagnostic imaging apparatus and method are provided. The diagnostic imaging apparatus includes a detection unit configured to detect a lesion from a medical image, an interpretation unit configured to acquire a shape feature value by interpreting a shape of the detected lesion in a frequency domain, and a diagnosis unit configured to determine whether the detected lesion is benign or malignant based on the acquired shape feature value. | 09-19-2013 |
20130245427 | METHOD AND MAGNETIC RESONANCE SYSTEM TO AUTOMATICALLY DETERMINE IMAGING PLANES - In a method and imaging apparatus to automatically determine imaging planes for an imaging procedure to visualize a percutaneous intervention of a patient along a trajectory to a target point, data are obtained that represent a reference coordinate system with three orthogonal reference planes, and data also are acquired that represent the trajectory. One of the reference planes is determined as a selected reference plane based on the arrangement thereof relative to the trajectory. A first imaging plane is defined such that the trajectory lies therein, and such that it has a defined arrangement in relation to the selected reference plane. A second imaging plane is defined such that the trajectory lies therein, and such that it is orthogonal to the first imaging plane. A third imaging plane is defined such that it is orthogonal to the first imaging plane and second imaging plane, and includes the target point. | 09-19-2013 |
20130253306 | SYSTEM, METHOD AND FACILITY FOR REDUCING PEDIATRIC PATIENT ANXIETY DURING MEDICAL DIAGNOSTIC IMAGING PROCEDURES - A facility for performing a medical examination includes a room, a medical imaging system located in the room, and a plurality of elements installed on at least one of the room and the medical imaging system, the elements collectively creating a first theme that forms a physical environment at least partially surrounding a patient, wherein the theme is presented in a manner to reduce the level of patient anxiety and fear experienced by the patient being imaged. A medical imaging system is also described. A method of imaging a patient using the facility, a method of remodeling an existing facility, and a method of determining a theme to be used in a medical facility are also described. | 09-26-2013 |
20130261429 | Magnetic Resonance and Ultrasound Parametric Image Fusion - Magnetic resonance and ultrasound parametric image is fused or combined. MRI and ultrasound imaging are used to acquire the same type of parametric images. Fused data is created by combining ultrasound and MRI parametric data at times for which both types of data are available. Rather than sacrificing rate, fused data is created for times for which MRI data is not acquired. A curve representing the values of the parameter over time is fit to the available MRI and ultrasound data of each location, resulting in fused data at times for which MRI data is not available. | 10-03-2013 |
20130261430 | THERAPEUTIC APPARATUS COMPRISING A RADIOTHERAPY APPARATUS, A MECHANICAL POSITIONING SYSTEM, AND A MAGNETIC RESONANCE IMAGING SYSTEM - A therapeutic apparatus ( | 10-03-2013 |
20130267826 | Implantable Medical Devices, and Methods of Use Therewith, that Detect Exposure to Magnetic Fields from MRI Systems - Embodiments of the present invention generally pertain to implantable medical devices, and methods for use therewith, that detect exposure to magnetic fields produced by magnetic resonance imaging (MRI) systems. In accordance with specific embodiments, a sensor output is produced using an implantable sensor that is configured to detect acceleration, sound and/or vibration, but is not configured to detect a magnetic field. Such a sensor can be an accelerometer sensor, a strain gauge sensor or a microphone sensor, but is not limited thereto. In dependence on the produced sensor output, there is a determination whether of whether the IMD is being exposed to a time-varying gradient magnetic field from an MRI system. In accordance with certain embodiments, when there is a determination that the IMD is being exposed to a time-varying gradient magnetic field from an MRI system, then a mode switch to an MRI safe mode is performed. | 10-10-2013 |
20130267827 | METHOD AND MAGNETIC RESONANCE SYSTEM FOR FUNCTIONAL MR IMAGING OF A PREDETERMINED VOLUME SEGMENT OF THE BRAIN OF A LIVING EXAMINATION SUBJECT - In a method and a magnetic resonance (MR) system for functional MR imaging of a predetermined volume segment of the brain of a living examination subject, MR data of the predetermined volume segment are acquired, EEG data of the examination subject are acquired with the acquisition of the EEG data taking place simultaneously with the acquisition of the MR data, and the MR data automatically evaluated dependent on the acquired EEG data. | 10-10-2013 |
20130267828 | METHOD AND APPARATUS FOR NONINVASIVE QUANTITATIVE DETECTION OF FIBROSIS IN THE HEART - Embodiments provide a noninvasive quantitative method for detecting extent and/or types of fibrosis in the heart. In embodiments, information pertaining to the extent and/or types of fibrosis may aid in the diagnosis of specific cardiac diseases and heart failure and/or may assist in determining suitable treatment options. Embodiments provide methods and apparatuses for determining the extent of fibrosis in viable and nonviable myocardium, which may then be correlated to heart disease and failure. Thus, in an embodiment, a method of screening individuals for the purpose of heart disease or heart failure prevention may be provided using the detection methodology described herein. | 10-10-2013 |
20130267829 | APPARATUS FOR CT-MRI AND NUCLEAR HYBRID IMAGING, CROSS CALIBRATION, AND PERFORMANCE ASSESSMENT - A multiple modality imaging system ( | 10-10-2013 |
20130267830 | RADIATION THERAPY PLANNING AND FOLLOW-UP SYSTEM WITH LARGE BORE NUCLEAR AND MAGNETIC RESONANCE IMAGING OR LARGE BORE CT AND MAGNETIC RESONANCE IMAGING - A radiation therapy planning and follow-up system ( | 10-10-2013 |
20130274589 | System Scan Timing by Ultrasound Contrast Agent Study - Scan timing of contrast agent study is provided. Ultrasound is used to determine timing of contrast agent inflow and/or outflow. The timing based on the ultrasound scanning controls scanning for MR or CT imaging. The MR or CT contrast agent imaging for MR or CT contrast agents may be synchronized using the ultrasound contrast agent flow. | 10-17-2013 |
20130274590 | METHOD AND APPARATUS FOR GENERATING A SIGNAL INDICATIVE OF MOTION OF A SUBJECT IN A MAGNETIC RESONANCE APPARATUS - In a method and magnetic resonance (MR) apparatus for implementing an MR-guided procedure, an MR-compatible digital camera is placed in the patient receiving opening of the MR data acquisition unit that is operated to acquire MR data for reconstructing images that are used to guide the MR-guided intervention. The digital camera is operated to obtain digital images of the exterior of the patient, from which motion of the patient is detectable. The images are analyzed in a processor to identify therefrom the motion of the patient and the result of the analysis is represented as a processor output that is used to control the timing, with respect to the motion of the examination subject, of the occurrence of at least one event in the MR-guided procedure. One important application is respiratory gating/triggering of HIFU sonication for the treatment of moving organs. | 10-17-2013 |
20130274591 | SINGLE CHANNEL MRI GUIDEWIRE - The present application discloses a guidewire for magnetic resonance imaging with a single channel design to reduce complexity and to provide conspicuous tip visibility under MRI. In one embodiment, a guidewire body includes an antenna formed from a rod and a helical coil coupled together. The helical coil can have multiple windings without any gaps between the windings. The rod passes through the windings of the helical coil and is coupled to the helical coil using a conductive joint positioned at an end of the rod and at an end of the helical coil. Insulation can be positioned between the rod and the windings of the helical coil. The configuration allows visibility of the antenna along the length of a rod, except where it enters the windings of the coil. Thus, the tip visibility is enhanced as being separated from the rod. | 10-17-2013 |
20130281825 | ATTENUATION CORRECTION IN POSITRON EMISSION TOMOGRAPHY USING MAGNETIC RESONANCE IMAGING - In one embodiment, a method includes performing a magnetic resonance (MR) imaging sequence to acquire MR image slices or volumes of a first station representative of a portion of a patient; applying a first phase field algorithm to the first station to determine a body contour of the patient in the first station; identifying a contour of a first anatomy of interest within the body contour of the first station using the first phase field algorithm or a second phase field algorithm; segmenting the first anatomy of interest based on the identified contour of the first anatomy of interest; correlating first attenuation information to the segmented first anatomy of interest; and modifying a positron emission tomography (PET) image based at least on the first correlated attenuation information. | 10-24-2013 |
20130281826 | MRI IMAGING AND CONTRAST METHOD - A novel MRI contrast technique enables to observe tissue properties not observable by previously known MRI methods. A difference between two disclosed pulse sequences is used to measure magnetization exchange time between water molecules and macromolecules such as proteins, thereby producing a measure highly sensitive to tissue changes resulting from coagulation, yet relatively insensitive to temperature fluctuations. This result is applied to an imaging method and provides direct visualization of the effects of surgical thermal ablation procedures. | 10-24-2013 |
20130281827 | METHOD FOR OBTAINING A SET OF MEASURED DATA RELATING TO A BREATHING OBJECT OF INTEREST BY USING MAGNETIC RESONANCE TECHNOLOGY, MAGNETIC RESONANCE SYSTEM, COMPUTER PROGRAM, AND ELECTRONICALLY READABLE DATA STORAGE MEDIUM - In a method for determining a respiratory phase from a series of measurements of a respiratory position, the respiratory phase is determined by a finite state machine, which processes a current measured respiratory position and at least one previously measured respiratory position, and assigns a current respiratory phase to the current respiratory position. For this purpose, the temporal spacing between two successive measurements of the respiratory position is small in relation to a respiratory cycle. This method allows for a continuous measurement of imaging measurement data to be influenced in a prospective manner in a determined respiratory phase. | 10-24-2013 |
20130289384 | DEVICES AND TECHNIQUES FOR DETECTING MAGNETIC RESONANCE IMAGING FIELD - A device includes a housing configured to be implanted in a patient. The device also includes a first magnetic field direction sensor located at a first location within the housing and configured to generate a signal representative of a first direction of a magnetic field at the first location, a second magnetic field direction sensor located at a second location within the housing and configured to generate a signal representative of a second direction of the magnetic field at the second location, and a magnetic field strength sensor configured to generate a signal representative of a strength of the magnetic field. The device further includes a control module configured to identify a source of the magnetic field based on at least one of the signal representative of the strength of the magnetic field and the signals representative of the first and second directions of the magnetic field. | 10-31-2013 |
20130289385 | DEEP BRAIN STIMULATION OF MEMORY CIRCUITS IN ALZHEIMER'S DISEASE - Methods and apparatus for screening patients prior to deep brain stimulation to treat cognitive function are provided. One or more patient parameters are processed to produce results. A comparison of the results to a threshold indicates the applicability of the deep brain stimulation therapy. | 10-31-2013 |
20130289386 | Optogenetic Magnetic Resonance Imaging - Disclosed herein are systems and methods involving the use of magnetic resonance imaging and optogenetic neural stimulation. Aspects of the disclosure include modifying a target neural cell population in a first region of a brain to express light-responsive molecules. Using a light pulse, the light-responsive molecules in the target neural cell population are stimulated. Multiple regions of the brain are scanned via magnetic resonance imaging. The scans allow for observation of a neural reaction in response to the stimulation in at least one of the multiple regions of the brain. | 10-31-2013 |
20130296687 | VIDEOGRAPHIC DISPLAY OF REAL-TIME MEDICAL TREATMENT - Systems and methods for creation of a videographic representation of a real-time medical treatment by a processor operating in conjunction with a treatment device and an imaging device are described. The representation may include real-time imaging data, a representation of real-time treatment data and contours of relevant anatomy among other things. Related systems and techniques are also described. | 11-07-2013 |
20130296688 | METHOD FOR EVALUATING A PET DATASET IN RELATION TO A NEUROTRANSMITTER AND / OR NEUROMODULATOR - A method is disclosed for evaluating a PET dataset with information concerning spatial distribution of a neurotransmitter and/or a neuromodulator in the brain of a patient wherein, in addition to the PET dataset, an especially morphometric magnetic resonance image dataset is recorded, which is or will be registered with the PET dataset. Concentration data of the spatial distribution is assigned to at least one specific region of the brain, especially to a nucleus, taking into account the magnetic resonance image data, for establishing result data assigned to the region. | 11-07-2013 |
20130296689 | PET-MRI APPARATUS - A PET-MRI apparatus according to an embodiment includes a static magnetic field magnet, a gradient coil, a high-frequency coil, an MR image reconstruction unit, a PET detector, and a PET image reconstruction unit. The high-frequency coil applies a high-frequency magnetic field to a subject placed in the static magnetic field and detects a magnetic resonance signal emitted from the subject in response to application of the high-frequency magnetic field and a gradient magnetic field. The PET detector has a ring shape and detects a gamma ray emitted from a positron-emitting radionuclide injected into the subject. The coil conductor of the high-frequency coil is made up of a first high-frequency shield that covers the outer surface of the PET detector. | 11-07-2013 |
20130303880 | Thermally Tagged Motion Tracking for Medical Treatment - Motion tracking is performed with a thermal pattern within a patient. A pattern of different temperature is created in tissue, such as warming up tissue in a checkerboard pattern. The temperature pattern is used over time to track motion of the tissue. The tracked motion may be used to treat the tissue throughout at least part of a periodic cycle. | 11-14-2013 |
20130303881 | EQUIPMENT OBJECT FOR A COMBINATION IMAGING SYSTEM - An equipment object is provided for a combination imaging system and can be positioned in a measurement chamber. The equipment object includes a radionuclide imaging device and a magnetic resonance imaging device. In its peripheral region the equipment object further includes an image-critical function component which has an average radionuclide emission radiation attenuation value that reaches at least a specified attenuation limit value of 30% in relation to a first defined minimum cross-sectional area of 30 mm | 11-14-2013 |
20130310679 | 3D TRANSURETHRAL ULTRASOUND SYSTEM FOR MULTI-MODAL FUSION - A three-dimensional transurethral ultrasound system includes a transurethral ultrasound probe, an ultrasound data processor configured to communicate with the transurethral ultrasound probe to receive ultrasound signals from the transurethral ultrasound probe and to output ultrasound imaging signals for three-dimensional ultrasound images of at least a portion of a patient's prostate, and a display system configured to communicate with the ultrasound data processor to receive the ultrasound imaging signals and to render three-dimensional ultrasound images of the at least the portion of the patient's prostate from the ultrasound imaging signals. | 11-21-2013 |
20130310680 | THREE-DIMENSIONAL OPTICAL IMAGING AND THERAPY OF PROSTATE CANCER - A system and method for use in tissue analysis and therapy. An optical probe array has at least two or more optical probes for illuminating tissue and generates light fluorescence and/or diffuse reflectance signals corresponding to the illuminated tissue. One or more ultrasound, CT and MRI imaging guidance systems identify the position of the optical probes relative to the tissue. The imaging guidance system can also be a fusion of an MRI or CT image provided by the MRI or CT imaging guidance system and an ultrasound image provided by the ultrasound imaging guidance system. An imaging system generates a three-dimensional image of the tissue based on the generated light signals and the identified position of the optical probes. | 11-21-2013 |
20130310681 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet configured to generate a static magnetic field at least in a MR examination region from which MR data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (PET) examination region. The radiation detectors include electron multiplier elements having a direction of electron acceleration arranged substantially parallel or anti-parallel with the static magnetic field. In some embodiments, the magnet is an open magnet having first and second spaced apart magnet pole pieces disposed on opposite sides of a magnetic resonance examination region, and the radiation detectors include first and second arrays of radiation detectors disposed with the first and second spaced apart magnet pole pieces. | 11-21-2013 |
20130310682 | CSF Biomarker Dilution Factor Corrections by MRI Imaging and Algorithm - A method is disclosed for providing a correcting factor for the dilution of measurements of at least one biomarker in cerebrospinal fluid (CSF). The method comprises providing semi-automated measurements of the ventricular system by MRI scans using quantitative anatomical protocols, determining a measurement of biomarker levels in CSF that has been extracted, correcting the measurement of the level of said at least one biomarker according to the ventricular size, and providing a corrected result of the measurement determined in step (b), said corrected result accounting for concentration dilution due to the change in ventricular size. The method is particularly suited for the measurement of all biomarkers found in the CSF, such as those associated with mild cognitive impairment (MCI) and Alzheimer's Disease. | 11-21-2013 |
20130317343 | Integration of MRI into Radiation Therapy Treatment - Apparatus for radiation therapy combines a patient table, an MRI and a radiation treatment apparatus mounted in a common treatment room with the MR magnet movable from a position outside a radiation shielded door to an imaging position. An RF-shielded door is movable between a position, separating part of the treatment apparatus from the magnet and an open position allowing access of the patient to the treatment apparatus. In one configuration there is a row of treatment rooms and the magnet is mounted to move along a passageway outside the row of radiation shielded doors of the rooms. | 11-28-2013 |
20130317344 | SOFT TISSUE CUTTING INSTRUMENT AND METHOD OF USE - A surgical apparatus includes a surgical device and a surgical controller. The surgical device is configured to be manipulated by a user to perform a soft tissue cutting procedure on a patient. The surgical controller is programmed to create a virtual object representing an anatomy of the patient based upon data acquired during a pre-operative scan and associate the virtual object with the anatomy of the patient. The surgical controller is also programmed to identify a plurality of soft tissue attachment points on the virtual object which correspond to a plurality of soft tissue attachment points on the anatomy of the patient. The surgical controller is also programmed to determine the location of the surgical device in relation to the anatomy of the patient and provide real-time visualization on the virtual object of the location of the surgical device in relation to the anatomy of the patient. | 11-28-2013 |
20130317345 | IMPLANTABLE CARDIOVERTER DEFIBRILLATOR DESIGNED FOR USE IN A MAGNETIC RESONANCE IMAGING ENVIRONMENT - An implantable cardioverter defibrillator includes a communication interface operable to receive a communication signal from an external programmer. The communication signal includes a command to switch the ICD from a first mode to a second mode. A processor is in electrical communication with the communication interface and configured to switch the ICD between the first and second modes. A battery is configured to supply low DC voltage. A converter is configured to convert the low DC voltage to a high DC voltage. An energy storage capacitor is electrically coupled to the converter and configured to store a therapeutic energy or high DC voltage including at least 15 joules. The second mode includes activating the converter to convert the low DC voltage to the high DC voltage and storing the therapeutic energy or at least 15 joules within the energy storage capacitor during a period of time of the second mode. | 11-28-2013 |
20130324834 | Head Clamp for Use in Imaging by Magnetic Resonance and X-Ray - A head clamp for use in imaging of a part of a patient using Magnetic Resonance and X-ray imaging is formed as a generally C-shaped support including a base and two legs arranged so that the clamp members with pins are attached to the legs. An adjustment system moves one of the clamp members inwardly and outwardly relative to the other so as to apply a clamping force to the skull. The C-shaped support member comprises a truss with a C-shaped inner band adjacent the skull, an outer band generally following the shape of inner band and a plurality of spaced bars between the inner band and the outer band. The adjustment system comprises a screw that adjusts the width of the C-shaped member located at the base of one leg. | 12-05-2013 |
20130324835 | SPLIT BRIDGE FOR PET-MR SCANNER - A PET-MRI apparatus includes a patient support assembly having a cradle to accommodate a subject, a carriage assembly to attach to the cradle and cause the cradle to selectively travel, and a rear bridge to receive the cradle and carriage. The patient support assembly also includes a front bridge to receive the cradle and carriage assembly and provide for translation therealong, with the front bridge including a first section and a second section that is spaced apart from the first section to form a gap in the front bridge between the first section and the second section in an area adjacent a PET detector array of the PET-MRI apparatus. The front and rear bridges include an anti-tip rail assembly to interact with the cradle and the carriage assembly so as to prevent tipping thereof when traversing over the gap between the first and second sections of the front bridge. | 12-05-2013 |
20130324836 | PET DEVICE, PET-MRI APPARATUS, AND IMAGE PROCESSING METHOD - In a PET device according to an embodiment, a first detector includes a plurality of first scintillators and detects gamma rays that are emitted from positron-emitting radionuclides that are injected into a subject. A second detector is provided on the outer circumferential side of the first detector, includes a plurality of second scintillators arranged in an arrangement surface density lower than that of the first scintillators, and detects gamma rays that have passed through the first detector. A counted information acquiring unit acquires, as first counted information and second counted information, the detection positions, energy values, and detection time regarding gamma rays detected by the first detector and the second detector. Based on the detection time contained in each of the first counted information and the second counted information, an energy value adder generate corrected counted information by summing the energy values contained in the first counted information and the second counted information. | 12-05-2013 |
20130331685 | NEURONAVIGATION-GUIDED FOCUSED ULTRASOUND SYSTEM AND METHOD THEREOF - The present invention discloses a neuronavigation-guided focused ultrasound system and a method for the same, which are used to guide focused ultrasound energy to a target point. The system of the present invention comprises a focused ultrasound device, a neuronavigation system and a fixture. According to an image of an interested region of an individual, a focus point of the focused ultrasound device, and tracking points provided by the neuronavigation system, the neuronavigation system performs a calibration process and establishes a positional relationship between the focus point and the image of the interested region. Thereby, the neuronavigation system can recognize the focus point and guide focused ultrasound to the target point. | 12-12-2013 |
20130338483 | COGNITIVE MAPPING USING TRANSCRANIAL MAGNETIC STIMULATION - The present invention relates to the field of mapping cognitive brain functions, more specifically to non-invasive systems for and methods of cognitive mapping. Examples of cognitive brain function which can reliably be mapped according to embodiments of the present invention are speech, language, working-memory and decision-making. According to certain embodiments, navigated Transcranial Magnetic Stimulation (TMS) is utilized along with accurate baseline determination in order to provide accurate, non-invasive cognitive mapping. | 12-19-2013 |
20130338484 | ACCELERATED MR THERMOMETRY MAPPING INVOLVING AN IMAGE RATIO CONSTRAINED RECONSTRUCTION - A medical apparatus ( | 12-19-2013 |
20130338485 | CALCULATING THE SPEED OF ULTRASOUND IN AT LEAST TWO TISSUE TYPES - A medical apparatus ( | 12-19-2013 |
20130345545 | Ultrasound Enhanced Magnetic Resonance Imaging - Magnetic resonance imaging frame rate is increased using ultrasound information. Magnetic resonance (MR) images may be provided at an increased frame rate relative to the MR acquisition. For times between acquisition of MR data, MR data may be created. To account for any change in position of tissue over time, ultrasound is used to track the location of tissue or other imaged structure. The ultrasound-based location information is used to indicate the position of intensities or values of the created MR data. MR images at a higher frame rate than the MR acquisition are generated, but with accuracy of relative position based on the ultrasound data. | 12-26-2013 |
20130345546 | CT-MRI HYBRID APPARATUS WITH LARGER CT CORE-DIAMETER AND METHOD OF IMPLEMENTING THE SAME - An apparatus and method for integrating computed tomography (CT) or computerized axial tomography (CAT) and magnetic resonance imaging (MRI) to provide high spatial-accurate resolution images. The apparatus includes a first section for obtaining a first set of images of a subject, the first section including a design of a CT machine with much larger dimension in height and width and very large opening or first diameter and redistribution of the electric gear peripherally, and a second section for obtaining a second set of images of the subject. More specifically, the CT machine design permits to position the CT x-ray tube, sensors and other electric and rotating gear substantially outside the magnetic field of the MRI machine, and the CT machine preferably includes three cameras or X-ray tubes at about 120 degree from each other for reduced scanning time. | 12-26-2013 |
20130345547 | MAGNETIC RESONANCE MEASUREMENT OF ULTRASOUND PROPERTIES - An apparatus ( | 12-26-2013 |
20140005520 | Concurrent Acquisition of PET Fields During Acquisition of a MRI Field of View | 01-02-2014 |
20140005521 | CATHETER COMPRISING CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCERS WITH AN ADJUSTABLE FOCUS | 01-02-2014 |
20140005522 | SYSTEM AND METHOD FOR MANIPULATION OF DEVICES USING MAGNETIC FIELDS | 01-02-2014 |
20140005523 | ACCELERATED MAGNETIC RESONANCE THERMOMETRY | 01-02-2014 |
20140012127 | HEARING PROTECTION APPARATUS AS WELL AS A MEDICAL IMAGING APPARATUS HAVING THE HEARING PROTECTION APPARATUS AND A METHOD FOR DETECTING MOVEMENT OF A PATIENT'S HEAD - A hearing protection apparatus includes a first ear coupling unit, which is designed for positioning on a first ear of a user, a second ear coupling unit, which is designed for positioning on a second ear of the user, and a sound protection for at least partial shielding of sound waves, wherein the hearing protection apparatus has at least one motion sensor unit. | 01-09-2014 |
20140024922 | Curved Passive Acoustic Driver for Magnetic Resonance Elastography - An acoustic driver system includes an active acoustic driver and a passive acoustic driver. The active acoustic driver is configured to produce oscillating acoustic energy. The passive acoustic driver is acoustically connected to the active acoustic driver and is configured to receive the oscillating acoustic energy and to convert it into shear waves. The passive acoustic driver includes a housing member and a vibrating member. The housing member includes a housing member cavity. The vibrating member is disposed at least partially within the housing member cavity. The vibrating member permanently retains a curved shape while disposed within the housing member cavity. | 01-23-2014 |
20140024923 | TRANSOESOPHAGEAL DEVICE USING HIGH INTENSITY FOCUSED ULTRASOUNDS FOR CARDIAC THERMAL ABLATION - The present invention relates to a probe that comprises a piezoelectric therapy transducer having an acoustic axis BB′, and an imaging transducer having an imaging plane, in which the therapy transducer and imaging transducer are mounted in a head which is itself connected to a guide. More particularly, the therapy transducer is in a form of a truncated cup and has a spherical concave front face for emitting ultrasonic waves focused on a focal point, a rear surface and the therapy transducer is truncated alone two parallel lanes such that a length d | 01-23-2014 |
20140031669 | SYSTEMS FOR FUSION OF FLUORESCENCE MOLECULAR TOMOGRAPHY AND MAGNETIC RESONANCE IMAGES - An imaging cassette. The cassette includes a top frame, a bottom frame, and one or more of a front wall, back wall, or plurality of posts, and defines a chamber for holding an animal in a desired position for analysis in a fluorescence molecular tomography imager and a vertical bore magnetic resonance imager. | 01-30-2014 |
20140031670 | Novel Needle Driver For Magnetic Resonance Elastography - The present invention is directed toward an acoustic, piezoelectric, electric, electro-mechanical or pneumatically driven surface drum driver, in mechanical engagement with a biopsy or acupuncture needle device and a method for its use for diagnosis of small e.g. 100 microns, tumors via the production of magnetic resonance elastographic images (MRE), without artifact production, in a magnetic resonance imaging (MRI) machine. In a second embodiment, the invention is directed toward an acoustically, pneumatically, piezoelectrically, electrically and/or electro-mechanically driven acupuncture needle, useful for simulating manual single-needle acupuncture treatments via a non-manually manipulated acupuncture needle; and further to a device and process for determination, using twin pneumatically driven surface drivers, of organ stiffness, e.g. brain stiffness, which can be quantified so as to be useful in elucidating and quantifying brain cognitive state, e.g. normal, mild cognitive impairment (MCI) or Alzheimer's dementia (AD). | 01-30-2014 |
20140039295 | PREMATURE NEONATE CRADLE - A cradle configured for life supporting a premature neonate during magnetic resonance imaging procedure. The cradle includes a receptacle configured for receiving the neonate and inserting into a MRI apparatus. The receptacle is magnetically transparent. The cradle includes a unit of neonate life support remotely connected to the receptacle such that a magnetic field of the MRI apparatus is not disturbed by the life support unit. | 02-06-2014 |
20140046170 | BRAIN VOLUMETRIC MEASURING METHOD AND SYSTEM USING THE SAME - The present invention discloses a brain volumetric measuring method for measuring brain volumetric changes of a subject. The method at least comprises the following steps. First, a light source is provide and emitted into the head of the subject through a light source emitting position. And then, a first optical signal is obtained by receiving numerous scattered photons from the head of the patient through several second positions of. A second optical signal will be obtained by processing the first optical signal. The present invention also discloses a brain volumetric measuring system for performing the abovementioned method. | 02-13-2014 |
20140046171 | METHOD AND APPARATUS FOR IDENTIFYING AT LEAST ONE RADIATION-ATTENUATING IMPLANT FOR MEDICAL MR-PET IMAGING - A method is disclosed. In at least one embodiment, the method includes segmentation of an implant present in a target object by diverging the attenuation of the MR signals caused by the implant from a threshold value; determination of a suitable attenuation coefficient and consideration of the attenuation coefficient in the PET imaging for the correct PET representation of the target object including the implant. The attenuation coefficient can thereby by determined dependent on the material of the implant. | 02-13-2014 |
20140046172 | METHOD AND APPARATUS FOR TRACKING A POSITION OF A TUMOR - Provided is a method and apparatus for tracking a tumor position, which changes by the movement of a body. According to various aspects, a location of a tumor position of a target organ may be estimated using images of one or more surrounding organs. | 02-13-2014 |
20140046173 | ULTRASOUND VIBROMETRY WITH UNFOCUSED ULTRASOUND - Methods for measuring mechanical properties of an object or subject under examination with an ultrasound system and using unfocused ultrasound energy are provided. Shear waves that propagate in the object or subject are produced by applying unfocused ultrasound energy to the object or subject, and measurement data is acquired by applying focused or unfocused ultrasound energy to at least one location in the object or subject at which shear waves are present Mechanical properties are then calculated from the acquired measurement data. | 02-13-2014 |
20140051973 | MRI IMAGING SYSTEM FOR GENERATING A RENDERED IMAGE - A magnetic resonance imaging (MRI) imaging system, having an MRI device that images at least a portion of an animal. The system includes: a photon transmitter that is introducible within the body of an animal; at least one imaging photon detector that detects fluorescence excited within the animal by transmitted photons from the photon transmitter; and an image processor that superimposes an MRI image and a photon detector image to yield a combined image. | 02-20-2014 |
20140051974 | SYSTEM AND METHOD FOR MRI IMAGING USING POLARIZED LIGHT - A magnetic resonance imaging (MRI) imaging system, including: an MRI device adapted to image at least a portion of an animal; a photon source; an imaging photon detector that detects photons emitted by the photon source; and an image processor that superimposes the MRI image and the photon detector image. The system also includes one or more polarizers located between the animal and the photon detector. | 02-20-2014 |
20140051975 | MULTIPLE HETEROGENEOUS IMAGING SYSTEMS FOR CLINICAL AND PRECLINICAL DIAGNOSIS - A magnetic resonance imaging (MRI) imaging system. The system includes: at least one MRI device that images an object; an image processor; at least one photon detector of a first type to generate at least one first optical image of the object; and at least one photon detector of a second type to generate at least one second optical image of the object. The image processor superimposes the MRI image, the first optical image(s) and the second optical image(s) so as to yield a rendered 3D computer MRI image of the object. | 02-20-2014 |
20140051976 | MRI APPARATUS COMBINED WITH LIGHTFIELD CAMERA - An MRI apparatus that induces a magnetic resonance signal from an object to be imaged. The apparatus includes: magnet poles for creating a homogeneous magnetic field; and a set of RF coils for generating a radio frequency (RF) excitation pulse in the imaging volume of the apparatus, and for acquiring magnetic resonance signals resulting from the RF excitation pulse. The apparatus also includes a light-field (plenoptic) camera and the object may be imaged concurrently by both MRI and plenoptic channels. The obtained images can be superimposed. | 02-20-2014 |
20140058246 | SYSTEM AND METHODS FOR REAL-TIME CARDIAC MAPPING - A method and system of electroanatomical mapping comprises bringing a patient's image such as a fluoroscopic image and intracardiac signals into a computer based mapping system. Electroanatomical mapping or superimposing of cardiac electrical activity on fluoroscopic image is provided by placing visual indicators on electrode pairs of various catheters including standard catheters and ablation catheter. Visual indicators are coupled or linked to underlying electric signals from those electrode pairs via software coding, whereby electrical activity sequence of the heart is provided and updated in real-time on fluoroscopic image. A combination of fluoroscopic image and CT or MRI may also be used. The mapping system further comprises various algorithms for aiding in cardiac mapping and ablation of cardiac arrhythmias. | 02-27-2014 |
20140058247 | INFORMATION OBTAINING METHOD AND EVALUATION METHOD - An information obtaining method includes (1) presenting a first visual stimulus to a living body, (2) obtaining brain activity data in the primary visual cortex and a color vision related area during presentation of the first visual stimulus, (3) presenting a second visual stimulus different from the first visual stimulus to the living body, (4) obtaining brain activity data in the primary visual cortex and the color vision related area during presentation of the second visual stimulus, and (5) obtaining brain activity information on the basis of the ratio between the brain activity data in the primary visual cortex, obtained in (2), and the brain activity data in the primary visual cortex, obtained in (4), and the ratio between the brain activity data in the color vision related area, obtained in (2), and the brain activity data in the color vision related area, obtained in (4). | 02-27-2014 |
20140058248 | MR IMAGING GUIDED THERAPY SYSTEM - The invention relates to a thermal treatment applicator ( | 02-27-2014 |
20140066748 | PROSTHETIC IMPLANT SHELL - A fluid-filled prosthetic implant having a shell comprising a matrix material and an additive distributed in the matrix material. The implant can be imaged in vivo using magnetic resonance imaging to more clearly reveal defects in the shell, relative to a implant having a shell without the additive material. | 03-06-2014 |
20140073906 | Passive Acoustic Driver for Magnetic Resonance Elastography - An acoustic driver system for use in applying an oscillating stress to a subject undergoing a magnetic resonance elastography (MRE) examination includes a flexible passive driver located in the bore of the magnet and in contact with the subject. A remotely located active driver is acoustically coupled to the passive driver and produces acoustic energy in response to an applied current. The passive driver produces shear waves in response to the acoustic energy and are directed into the body of the subject undergoing the MRE examination. | 03-13-2014 |
20140081122 | METHOD FOR GENERATING A PET IMAGE DATA RECORD OF A MOVED EXAMINATION OBJECT AND FACILITY THEREFOR - A method is disclosed for generating a PET image data record or a SPECT image data record of an at least partially moved examination object. The method includes recording or calculation of at least one first PET start image data record or one first SPECT start image data record; recording of at least one first anatomy image data record with an imaging facility imaging anatomical features; recording of at least one second anatomy image data record with the imaging facility imaging the anatomical features; determination of at least one transformation requirement from the first and second anatomy image data record; and generation of at least one PET image data record or one SPECT image data record by the application of the at least one transformation requirement onto the PET start image data record or the SPECT start image data record respectively. An embodiment further relates to an imaging facility. | 03-20-2014 |
20140088403 | PATIENT COUCH FOR COMBINED MAGNETIC RESONANCE AND PET EXAMINATION - A patient couch is disclosed, for a combination of positron emission tomography and magnetic resonance tomography device (PET/MRT device), for presenting images of an examination object in an examination room. A system, including the patient couch and a combination of positron emission tomography and magnetic resonance tomography device, is also disclosed. In an embodiment, the patient couch includes a reclining surface for a patient, which is designed to only insignificantly attenuate radiation intensity originating from a positron decay when it passes therethrough. | 03-27-2014 |
20140088404 | PATIENT POSITIONING DEVICE, AND MEDICAL IMAGING METHOD AND APPARATUS EMPLOYING SAME - A patient positioning device has an electromagnetically transparent transfer plate for positioning an examination subject, and at least one patient bed. The electromagnetically transparent transfer plate can be disposed on the patient bed for imaging an examination region of the examination subject with a first imaging device. For imaging the examination region of the examination subject with the second imaging device that has an electromagnetic localization device, the electromagnetically transparent transfer plate is disposed above the electromagnetic localization device. An imaging system and a corresponding method for medical imaging make use of such a patient position device. | 03-27-2014 |
20140088405 | METHOD AND MEDICAL IMAGING DEVICE TO DETERMINE AND DISPLAY AN EMOTIONAL STATE OF A PATIENT DURING THE MEDICAL IMAGING - In a medical imaging method and apparatus, an emotional state of a patient is recorded during a medical imaging examination, by recording at least one emotion parameter of the patient during the medical imaging examination, and calculating an emotional state of the patient using the at least one emotion parameter of the patient during the medical imaging examination. | 03-27-2014 |
20140088406 | ASSESSMENT OF CORONARY HEART DISEASE WITH CARBON DIOXIDE - The invention provides methods for diagnosing coronary heart disease in a subject in need thereof comprising administering an admixture comprising CO2 to a subject to reach a predetermined PaCO2 in the subject to induce hyperemia, monitoring vascular reactivity in the subject and diagnosing the presence or absence of coronary heart disease in the subject, wherein decreased vascular reactivity in the subject compared to a control subject is indicative of coronary heart disease. The invention also provides methods for increasing sensitivity and specificity of BOLD MRI. | 03-27-2014 |
20140094682 | IMAGE GUIDED HIGH INTENSITY FOCUSED ULTRASOUND TREATMENT OF NERVES - A method for using high intensity focused ultrasound (HIFU) to treat neurological structures to achieve a desired therapeutic effect. Depending on the dosage of HIFU applied, it can have a reversible or irreversible effect on neural structures. For example, a relatively high dose of HIFU can be used to permanently block nerve function, to provide a non-invasive alternative to severing a nerve to treat severe spasticity. Relatively lower doses of HIFU can be used to reversibly block nerve function, to alleviate pain, to achieve an anesthetic effect, or to achieve a cosmetic effect. Where sensory nerves are not necessary for voluntary function, but are involved in pain associated with tumors or bone cancer, HIFU can be used to non-invasively destroy such sensory nerves to alleviate pain without drugs. Preferably, ultrasound imaging synchronized to the HIFU therapy is used to provide real-time ultrasound image guided HIFU therapy of neural structures. | 04-03-2014 |
20140094683 | DEVICE PRODUCING TEST SONICATIONS FOR HIGH INTENSITY FOCUSED ULTRASOUND - A medical apparatus ( | 04-03-2014 |
20140100442 | SYSTEMS FOR INDICATING PARAMETERS IN AN IMAGING DATA SET AND METHODS OF USE - Systems and methods for aiding users in viewing, assessing and analyzing images, especially images of lumens and medical devices contained within the lumens. Systems and methods for interacting with images of lumens and medical devices, for example through a graphical user interface. | 04-10-2014 |
20140107466 | METHOD AND APPARATUS FOR CAPTURING MEDICAL IMAGES - A method for capturing medical images of an object by using a medical image capturing apparatus for capturing medical images is provided. The method includes: checking a remaining battery capacity of at least one peripheral device that is connected to the medical image capturing apparatus and that receives power from a battery; and providing information relating to a capturing scheme, which is performable by using the medical image capturing apparatus, from among a plurality of capturing schemes which are preset in the medical image capturing apparatus, which information is based on the checked remaining battery capacity. | 04-17-2014 |
20140107467 | System And Method For Improved Efficiency In Magnetic Resonance Elastography - A system and method for generating a magnetic resonance elastography (MRE) report includes a) acquiring MRE data from a subject including positively motion encoded medical imaging data and negatively motion encoded medical imaging data and b) deriving uncorrected difference medical imaging data from the MRE data for a given slice. The method also includes c) filtering the uncorrected difference medical imaging data to create filtered medical imaging data corrected for errors associated with phase ramps occurring during gradient switching used to derive the positively motion encoded medical imaging data and negatively motion encoded medical imaging data, d) generating a corrected difference image for the given slice from the filtered medical imaging data and the uncorrected difference medical imaging data, e) repeating steps b) through d) for each slice reflected in the MRE data, and f) generating a report of elastic properties of the subject from the corrected difference image. | 04-17-2014 |
20140107468 | COMBINED MRI AND RADIATION THERAPY EQUIPMENT - In a combined MRI and radiation therapy system, a magnet structure and radiation therapy equipment are provided. The magnet structure comprises a single substantially cylindrical field coil structure comprising a number of superconducting coils joined by a support structure and extending axially of a central region. An outer vacuum chamber encloses the field coil structure in an evacuated volume. A cooling arrangement comprising cooling tubes is in thermal contact with the superconducting coils and receives a cryogen flowing through the cooling tubes. The radiation therapy equipment comprises a gamma radiation source rotatable about an axis of the field coil structure to direct a radiation beam substantially radially through the field coil structure. Parts of the field coil structure and the outer vacuum chamber are transparent to radiation emitted by the gamma radiation source whereby the radiation beam is directed through the field coil structure and the outer vacuum chamber without substantial interference. | 04-17-2014 |
20140114176 | CT PERFUSION PHANTOM - A physical phantom reference to control for variability of computed tomography measurement results duplicates the density curve of blood perfusion of contrast material in a healthy aorta or large artery to normalize observed changes in healthy arterial blood perfusion when calculating the reduction in tumor blood perfusion between two examination times. In one embodiment, a plurality of compartments with different concentrations of contrast material corresponding to a density curve of blood perfusion of a healthy tissue are positioned-in a screening field of a CT machine so the CT machine images the compartments when it linages the healthy tissue. In another embodiment, a pipe containing fluid receives an injection of contrast material from the injector when the injector injects the contrast material into the patient, the pipe having sections of varying diameter so the sections together correspond to a blood perfusion curve of the contrast material in a healthy tissue. | 04-24-2014 |
20140121493 | System and Apparatus for Multimodality-compatible High-quality Intravital Radionuclide Imaging - The present invention discloses an imaging system and apparatus to obtain high-resolution low-noise intravital radionuclide imaging based on transparent window chamber. This imaging system is dedicated to preclinical research. It comprises a transparent window chamber, in particular a dorsal skin window chamber or a cranial chamber or an ear chamber or a spine cord chamber on a living animal, and a high-quality radionuclide imaging camera for the imaging of positron or electron. The apparatus is compatible with multimodality imaging, in particular magnetic resonance imaging (MRI), microscopy imaging including fluorescence microscopy, phosphorescence microscopy and two-photon microscopy. | 05-01-2014 |
20140121494 | NIR IMAGE-GUIDED TARGETING - A method for targeting. The method includes determining skin characteristics in a region of a patient. An in-treatment optical scan is performed on a region of a patient, wherein the in-treatment optical scan comprises a near infrared (NIR) energy source. A plurality of detected signals is detected from the optical scan. The skin characteristics are filtered out from the plurality of detected signals. Skeletal anatomy positioning associated with the region is determined from the plurality of signals that is filtered. | 05-01-2014 |
20140121495 | ASSESSMENT AND IMPROVEMENT OF TREATMENT USING IMAGING OF PHYSIOLOGICAL RESPONSES TO RADIATION THERAPY - Edema in tissue of a patient undergoing a course of radiation therapy or treatment can be estimated based on one or more MRI measurements used to measure changes in fluid content of various tissues. A correlation between observed changes in edema and one or more delivered fractions of radiation can be used to drive one or more clinical actions. Methods, systems, articles of manufacture, and the like are described. | 05-01-2014 |
20140128719 | MRI MAGNET FOR RADIATION AND PARTICLE THERAPY - In an MRI magnet structure for use with a radiation beam source as an assembly, magnet coils of varying diameters are concentrically arranged along a magnetic axis, the magnetic coils not sharing a common inner or outer radius. Mechanical support is provided to retain the magnetic coils in necessary relative fixed positions. The patient bore tube is provided through the assembly and defines a patient bore axis in an essentially horizontal direction such that the magnetic axis is inclined to the patient bore axis by an angle of 30°-60°. At least one radiation therapy beam access cavity provides access in a straight line for a radiation therapy beam to reach a treatment region within the magnet structure. | 05-08-2014 |
20140128720 | IN VIVO QUANTIFICATION OF A VARIATION OF OXYGENATION IN A TISSUE BY USING A MAGNETIC RESONANCE IMAGING TECHNIQUE - The invention relates to a device and a method for quantifying a variation of oxygenation in a tissue by using a magnetic resonance imaging technique. The variation of oxygenation in a tissue can be quantified from a measured variation of a proton longitudinal relaxation rate ΔR1 and from calibration data. The method of the invention is characterized in that the variation of proton longitudinal relaxation rate ΔR1 that is used is a variation of proton longitudinal relaxation rate of lipids rather than a variation of proton longitudinal relaxation rate of water molecules. | 05-08-2014 |
20140128721 | MEDICAL IMAGING SYSTEM WITH MOTION DETECTION - A medical imaging system comprises an image data acquisition module to acquire imaging data and a motion detection module to acquire motion information. A reconstruction module reconstructs image datasets from the imaging data and with use of the motion information to correct for motion. The motion detection module is provided with a shape-sensing photonic fibre system to provide a photonic output representative of the spatial shape of the photonic fibre and an arithmetic unit to compute the motion information on the basis of the photonic output. | 05-08-2014 |
20140128722 | Noise tolerant localization systems and methods - A system and method for tracking catheter electrode locations with the body of a patient during an MRI scan sequence includes mitigation logic configured to identify one or more impedance measurements that were taken during potentially noise-inducing conditions (i.e., magnet gradients, RF pulses), and were thus subject to corruption by noise. The mitigation logic is configured to replace the potentially corrupt impedance measurements with previously-obtained impedance measurements taken from an immediately preceding acquisition cycle (e.g., from a previous time-slice). | 05-08-2014 |
20140135613 | PET/MRI DEVICE, PET DEVICE, AND IMAGE RECONSTRUCTION SYSTEM - A PET/MRI device includes an MRI device that has a measurement port, a PET detector that can be inserted into the measurement port, and a mechanism that can slide the PET detector into and out of the MRI measurement port. Thereby, the PET/MRI device allows MRI measurement during PET measurement. | 05-15-2014 |
20140135614 | SYSTEMS AND LEADS FOR IMPROVED RF COMPATIBILITY AND METHODS OF MANUFACTURE AND USE - An implantable electrical stimulation lead includes a lead body having a distal end, a proximal end, and a longitudinal length; a plurality of electrodes disposed along the distal end of the lead body; a plurality of terminals disposed along the proximal end of the lead body; and a plurality of conductors electrically coupling the plurality of electrodes to the plurality of terminals. To reduce or redistribute current induced in the conductors during an MRI procedure, an internal conductive structure, such as a dummy coil or hollow metal tube, or non-therapeutic electrodes may be provided. Alternatively or additionally, a multi-layer region of the conductors may extend beneath the electrodes or terminals or the electrodes or terminals may vary in size or surface area. | 05-15-2014 |
20140135615 | COMBINED MRI AND RADIATION THERAPY SYSTEM - A combined MRI and radiation therapy system has MRI imaging equipment and radiation therapy equipment. The MRI imaging equipment includes a shielded solenoidal magnet including a number of main magnet coils arranged coaxially along an axis, and a shielding arrangement arranged coaxially with the axis, at a greater radius from the axis than the main magnet coils. The radiation therapy equipment includes a LINAC assembly, that includes a linear electron accelerator arranged with an electron beam path parallel to the axis, and electron beam deflection arrangement and a target for generating a beam of therapeutic radiation. The linear electron accelerator is located at a position radially between the main magnet coils and the shielding arrangement. | 05-15-2014 |
20140148684 | PET Acquisition Scheduling Based on MR SCOUT Images - Exemplary embodiments of the present disclosure are directed to scheduling positron emission tomography (PET) scans for a combined PET-MRI scanner based on an acquisition of MR scout images of a subject. An anatomy and orientation of the subject can be determined based on the MR scout images and the schedule for acquiring PET scans of the subject can be determined from the anatomy of the subject. The schedule generated using exemplary embodiments of the present disclosure can specify a sequence of bed positions, scan durations at each bed position, and whether respiratory gating will be used at one or more of the bed positions. | 05-29-2014 |
20140148685 | METHOD AND APPARATUS FOR NAVIGATING CT SCAN WITH A MARKER - A method for a CT scan of a body part, wherein a marker is positioned on the body part. The method comprises: positioning a marker on the body part; performing a scout scan of the area which contains the body part, to acquire a scout image; detecting the marker in the scout image to acquire position information of the marker; and using the position information to navigate the CT scan. | 05-29-2014 |
20140155733 | METHOD AND COMPOSITION FOR HYPERTHERMALLY TREATING CELLS - A method and composition for hyperthermally treating tumor cells in a patient under conditions that affect tumor stem cells and tumor cells. In one embodiment, the method is administered in combination with localized internal ionizing radiation therapy. | 06-05-2014 |
20140155734 | METHOD AND PET APPARATUS FOR LOCALIZING AN OBJECT - A method for localization of an object in an examination area of an examination object, which includes an organ, is disclosed. In an embodiment, the method includes detection of a repeating movement of the organ in the examination area; detection of PET data of the examination area during the movement; and localization of the object in the examination area by use of the PET data for at least two different repeating movement sections of the movement. | 06-05-2014 |
20140171781 | Method to Determine Distribution of a Material by an Infused Magnetic Resonance Image Contrast Agent - A contrast agent can be infused into a subject and a determination can be made of a VOD and/or a concentration gradient of the contrast agent in the VOD. The contrast agent can be infused in the subject using selected parameters. A correlation to a selected material can be made to determine parameters for infusion the selected material. | 06-19-2014 |
20140171782 | METHOD FOR DETECTING THE POSITION OF A TRANSDUCER - A method for detecting the position of a transducer for monitoring the position and motion of one or more target structures for the preparation or during an operation, with creating at least one volume data set (CT or MRI) showing the target structure(s), possible contact surfaces for the positioning of the ultrasonic transducer and the tissue between contact surfaces and target structure(s), determining from the volume data set one or more contact surfaces on which the best reflection of the ultrasound is or are to be expected, and positioning the ultrasonic transducer which monitors the operation on the contact surface(s). | 06-19-2014 |
20140180059 | Method for MR-Guided Brachytherapy with Consistent Patient Positioning - In a method for guiding brachytherapy radiation treatment the patient is supported on a table and an MR magnet is brought into the treatment bunker through doors for imaging while the after-loader for the radiation source delivery is stored away in a storage location outside the RF shield. A safety system controls movement of the after-loader and the magnet. Images of the patient obtained while the patient is on the table are used to locate the applicator with respect to the lesion and organs-at-risk. The MR and X-ray compatible patient support table with MR coil integration includes a removable end-extension, which provides pelvic access for applicator insertion. | 06-26-2014 |
20140180060 | Methods and Systems for Automated Functional MRI in Clinical Applications - A method for operating an automated functional Magnetic Resonance Imaging (fMRI) system includes controlling, by a control computer, a Magnetic Resonance Imaging (MRI) device to apply one or more pulse sequences to a portion of a brain of a patient and controlling, by the control computer, one or more stimulation devices to provide a stimulation of the patient. The method also includes acquiring, by the control computer, functional images of said portion of said brain of the patient in response to the applying of the one or more pulse sequences and during stimulation and receiving, by the control computer, one or more patient responses during the stimulating of the patient. The method further includes synchronizing, by the control computer, the stimulation of the patient, the acquiring of the functional images and the receiving of the one or more patient responses using at least one synchronization signal. | 06-26-2014 |
20140187909 | WHOLE BODY RF COIL FOR PET-MR SYSTEM - A PET-MR apparatus includes an MR imaging system having an RF coil former having inner and outer surfaces, an RF shield formed about the outer surface of the RF coil former, and an RF coil positioned on the inner surface of the RF coil former. The PET-MR apparatus also includes a PET system having a detector array positioned to encircle the bore to acquire PET emissions of the subject of interest and a plurality of RF power cables to provide power to the RF coil. The RF coil of the PET-MR apparatus comprises an RF body coil including a pair of end rings and a plurality of rungs extending between the end rings, wherein the plurality of RF power cables are coupled to one of the pair of end rings, along an outer edge of the one end ring distal from the plurality of rungs. | 07-03-2014 |
20140187910 | STATIONARY ANTERIOR PHASED ARRAY COIL FOR SIMULTANEOUS PET-MR IMAGING - A PET-MR apparatus includes an MR imaging system for acquiring MR signals and a PET system for acquiring PET emissions of the patient. The PET-MR apparatus also includes an anterior surface coil configured to receive MR signals from a volume-of-interest of the patient in the bore and resulting from the emitted RF pulse sequence and a coil positioning structure mounted to the PET-MR apparatus and configured to receive the anterior surface coil thereon and position the anterior surface coil proximate to the volume-of-interest of the patient without coming in contact with the patient, with the coil positioning structure being configured to provide both a vertical adjustment of the anterior surface coil relative to a coronal plane of the patient and an angular adjustment of the anterior surface coil relative to the coronal plane of the patient. | 07-03-2014 |
20140187911 | TISSUE MARKER FOR MULTIMODALITY RADIOGRAPHIC IMAGING - An implantable tissue marker incorporates a contrast agent scaled within a chamber in a container formed from a solid material. The contrast agent is selected to produce a change, such as an increase, in signal intensity under magnetic resonance imaging (MRI). An additional contrast agent may also be sealed within the chamber to provide visibility under another imaging modality, such as computed tomographic (CT) imaging or ultrasound imaging. | 07-03-2014 |
20140187912 | POSITIONING DEVICE, IMAGE PROJECTING SYSTEM AND METHOD FOR OVERLAPPING IMAGES - A positioning device, an image projecting system and a method for overlapping images are provided. The positioning device is applied to a Computed Tomography process and a Magnetic Resonance Imaging process. The positioning device includes a patch and a positioning mark. The positioning mark is adapted to be mounted on the patch, and includes a Computed Tomography mark and a Magnetic Resonance Imaging mark. | 07-03-2014 |
20140187913 | APPARATUS FOR INSERTION OF A MEDICAL DEVICE DURING A MEDICAL IMAGING PROCESS - The end-effector includes a sheath and a medical device or needle carrier that is disposed within the interior compartment of the sheath. An aperture is located in a portion of the sheath proximal a distal end of the sheath that is inserted into a natural or artificial cavity. This device is guided by a real-time imager. | 07-03-2014 |
20140194726 | Ultrasound Neuromodulation for Cognitive Enhancement - Disclosed are methods and systems for non-invasive neuromodulation using ultrasound for cognitive enhancement. Cognitive enhancement can be used for mitigation of abnormal conditions such as Alzheimer's Disease, Parkinson's Disease or stroke, or for enhancement in a normal individual. The neuromodulation can produce acute or long-term effects. The latter occur through Long-Term Depression (LTD) and Long-Term Potentiation (LTP) via training. Included is control of direction of the energy emission, intensity, frequency, pulse duration, pulse pattern, mechanical perturbation, and phase/intensity relationships to targeting and accomplishing up regulation and/or down regulation. | 07-10-2014 |
20140194727 | COMPOSITE RF SHIELD AND METHOD OF MAKING SAME - An imaging apparatus comprises an RF coil former comprising an inner surface and an outer surface and a composite RF shield positioned adjacently to the outer surface of the RF coil former so as to be formed about the RF coil former. The MRI system also comprises an RF coil positioned on the inner surface of the RF coil former. The RF coil former comprises a generally cylindrical member having an indented portion indented in a radial direction inwardly from the outer surface, and the composite RF shield comprises a first shield material positioned about the outer surface of the RF coil former, a second shield material position about the indented portion of the RF coil former, and a conformal shield material positioned about the RF coil former that electrically couples the first shield material to the second shield material. | 07-10-2014 |
20140194728 | REAL TIME CONTROL OF HIGH INTENSITY FOCUSED ULTRASOUND USING MAGNETIC RESONANCE IMAGING - A medical apparatus ( | 07-10-2014 |
20140206982 | METHOD AND APPARATUS FOR IMPLEMENTING A POSITRON EMISSION TOMOGRAPHY - A method is disclosed for implementing a positron emission tomography of an examination object. In an embodiment of the method, after introducing a PET tracer into the examination object, the method includes implementing at least one functional magnetic resonance tomography for determining at least one respective measure of the activation of at least one respective brain area; implementing positron emission tomography; and adjusting a result of the positron emission tomography as a function of the at least one respective measure of the activation of at least one respective brain area. An embodiment of the present invention further describes an apparatus for implementing a positron emission tomography of an examination object. | 07-24-2014 |
20140206983 | PET/MR SCANNERS FOR SIMULTANEOUS PET AND MR IMAGING - In a combined system, a magnetic resonance (MR) scanner includes a magnet configured to generate a static magnetic field at least in a MR examination region from which MR data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (PET) examination region. The radiation detectors include electron multiplier elements having a direction of electron acceleration arranged substantially parallel or anti-parallel with the static magnetic field. In some embodiments, the magnet is an open magnet having first and second spaced apart magnet pole pieces disposed on opposite sides of a magnetic resonance examination region, and the radiation detectors include first and second arrays of radiation detectors disposed with the first and second spaced apart magnet pole pieces. | 07-24-2014 |
20140213886 | INTEGRATED MR IMAGING AND INTERVENTIONAL COIL DEVICE, METHOD AND SYSTEM - MR imaging and intervention functions are localized within a single device. At least one integrated coil device ( | 07-31-2014 |
20140221814 | MAGNETIC RESONANCE IMAGING AND POSITRON EMISSION TOMOGRAPHY SYSTEM - Provided is a magnetic resonance imaging and positron emission tomography (MRI-PET) system. The MRI-PET system includes a PET unit and a radiofrequency (RF) coil disposed within a gradient coil assembly. | 08-07-2014 |
20140221815 | SUPPORT UNIT FOR POSITIONING A PATIENT - A support unit is disclosed for positioning a patient within a medical imaging apparatus with at least one magnetic resonance device; along with a patient positioning apparatus and a medical imaging apparatus including such a support unit. In an embodiment, the support unit includes at least one bearing element for movable positioning relative to a patient positioning apparatus and a coil unit for receiving magnetic resonance raw data. The coil unit includes a flat supporting surface for positioning the patient. | 08-07-2014 |
20140221816 | MAGNETIC RESONANCE IMAGING OF BONE TISSUE - A medical apparatus includes a magnetic resonance imaging system for acquiring magnetic resonance data from an imaging volume, a processor for controlling the medical apparatus, and a memory containing machine executable instructions and a pulse sequence. The magnetic resonance data acquired using the pulse sequence comprises free induction decay data and multiple gradient echo data. Execution of the instructions causes the processor to acquire the magnetic resonance data using the magnetic resonance imaging system in accordance with the pulse sequence, and reconstruct an in-phase image, a fat-saturated image, a water-saturated image, and an ultra-short echo time image from the magnetic resonance data, wherein the ultra-short echo time image comprises bone image data. | 08-07-2014 |
20140221817 | METHOD FOR GENERATING ATTENUATION CORRECTION FOR A COMBINED MAGNETIC RESONANCE-POSITRON EMISSION TOMOGRAPHY DEVICE - A method, a computer program product and a computer readable storage medium are disclosed for generating a global attenuation map used for attenuation correction of positron emission tomography image data sets in a combined magnetic resonance-positron emission tomography device. In an embodiment, during the course of detecting hardware components of the combined magnetic resonance-positron emission tomography device and determining positions of the detected hardware components relative to a patient support, the global attenuation map is generated as a function of the detected hardware components. | 08-07-2014 |
20140221818 | MEDICAL DEVICE FOR INSERTION INTO THE HUMAN OR ANIMAL BODY - A medical device according to the invention for insertion into a human and/or animal body comprises an elongated tubular lead probe including a proximal end portion and a distal end portion, an opening which opens into a lumen extending in the axial direction being formed on the proximal end of the lead probe, and the distal end of the lead probe being closed. The medical device further comprises an elongated core which is constructed in such a manner that it can be inserted into the lead probe and removed again via the lumen, and the core is made from non-metallic filaments and a matrix material. | 08-07-2014 |
20140235995 | MULTI-MODALITY IMAGE ACQUISTION - One or more techniques and/or systems are described for automatically generating a transformation matrix for correlating images from an ultrasound modality with images from another modality (or with ultrasound images acquired at a different point in time). Ultrasound volumetric data and volumetric data yielded from another image modality are examined to identify and/or extract features. The transformation matrix is automatically generated, or populated, based at least in part upon common features that are identified in both the ultrasound volumetric data and the volumetric data yielded from the other image modality. The transformation matrix can then be used to correlate images from the different modalities (e.g., to display a CT image of an object next to an ultrasound image of the object, where the images are substantially similar to one another even though they were acquired using different modalities). | 08-21-2014 |
20140235996 | METHOD FOR NON-INVASIVE MAPPING OF MYOCARDIAL ELECTRIC ACTIVITY - A method for mapping of myocardial electric activity includes measuring electrocardiogram data or magnetocardiogram data and mapping the degree of electric activity of a myocardial surface using the electrocardiogram data or the magnetocardiogram data. A signal source of the electrocardiogram data or the magnetocardiogram data is a myocardial surface potential that is scalar quantity. The mapping uses a lead-field vector which represents the sensitivity between the myocardial surface potential and the electrocardiogram or magnetocardiogram data, and a modified lead-field vector which combines a constraint matrix with a constraint condition where no potential sources exist in a specific region. | 08-21-2014 |
20140243653 | MOTION-CORRECTED PET IMAGES - A method is disclosed for generating a motion-corrected PET image of an examination area in a combined MR-PET system. In an embodiment, the method includes recording PET events from the examination area in a first recording time frame; recording a number of MR images of the examination area in at least the first recording time frame; calculating an at least two-dimensional movement information of the examination area on the basis of the number of MR images, wherein the movement information describes the movement information of the examination area during the first recording time frame, and determining the motion-corrected PET image from the PET events using the calculated movement information. | 08-28-2014 |
20140243654 | METHOD AND APPARATUS FOR GENERATION OF IMAGE DATA BASED ON MR THERMOMETRY DATA - In a method, apparatus and medical imaging system to generate image data based on magnetic resonance (MR) thermometry data, planning data of a region of an examination subject that is to be depicted thermometrically are provided to a processor. Through the processor, segmentation data based on the planning data are generated MR thermometry data are provided to the processor, which generates image data on the basis of the MR thermometry data, using the segmentation data. | 08-28-2014 |
20140249402 | RADIOACTIVE EMISSION DETECTOR EQUIPPED WITH A POSITION TRACKING SYSTEM - A radioactive emission probe in communication with a position tracking system and the use thereof in a variety of systems and methods of medical imaging and procedures, are provided. Specifically, wide-aperture collimation-deconvolution algorithms are provided, for obtaining a high-efficiency, high resolution image of a radioactivity emitting source, by scanning the radioactivity emitting source with a probe of a wide-aperture collimator, and at the same time, monitoring the position of the radioactive emission probe, at very fine time intervals, to obtain the equivalence of fine-aperture collimation. The blurring effect of the wide aperture is then corrected mathematically. Furthermore, an imaging method by depth calculations is provided, based on the attenuation of photons of different energies, which are emitted from the same source, coupled with position monitoring. | 09-04-2014 |
20140257084 | METHOD TO COMPUTE AND PRESENT BRAIN AMYLOID IN GRAY MATTER - An imaging work station ( | 09-11-2014 |
20140275962 | METHODS AND SYSTEMS USING MAGNETIC RESONANCE AND ULTRASOUND FOR TRACKING ANATOMICAL TARGETS FOR RADIATION THERAPY GUIDANCE - Methods and systems using magnetic resonance and ultrasound for tracking anatomical targets for radiation therapy guidance are provided. One system includes a patient transport configured to move a patient between and into a magnetic resonance (MR) system and a radiation therapy (RT) system and an ultrasound transducer coupled to the patient transport, wherein the ultrasound transducer is configured to acquire four-dimensional (4D) ultrasound images concurrently with one of an MR acquisition or an RT radiation therapy session. The system also includes a controller having a processor configured to use the 4D ultrasound images and MR images from the MR system to control at least one of a photon beam spatial distribution or intensity modulation generated by the RT system. | 09-18-2014 |
20140275963 | SYSTEMS AND METHODS FOR RADIOTHERAPY WITH MAGNETIC RESONANCE IMAGING - Systems and methods for delivery of radiotherapy in conjunction with magnetic resonance imaging in which various conductors, shields and shims may be used to solve issues occurring when radiation therapy equipment is placed in the vicinity of an magnetic resonance imaging system. | 09-18-2014 |
20140275964 | MARKER-FLANGE FOR MRI-GUIDED BRACHYTHERAPY - Disclosed herein is a marker flange for use with a brachytherapy applicator, having a flange body with a first face, a second face, and a hollow chamber positioned between the first and second faces. A cavity extending through the flange body is dimensioned to receive a tandem in a brachytherapy applicator in a press-fit connection, so as to affix the flange-marker to an outside surface of the tandem. The hollow chamber includes an MR imaging responsive marker agent that provides strong signal intensities and a high geometric accuracy in MR imaging. | 09-18-2014 |
20140275965 | Apparatus and Implementation Method of a Set of Universal Compact Portable MR-Compatible PET Inserts to Convert Whole-Body MRI Scanners Into Organ-Specific Hybrid PET/MRI Imagers - A Positron Emission Tomography (PET″) insert for use with a Magnetic Resonance Imaging (“MRI”) scanning device, the PET insert including a plurality of photodetector modules provided adjacent each other in an array, the plurality of photodetector modules configured for placement adjacent a body of a patient and sized to be received in a magnetic bore of the MRI scanning device with the patient, the photodetector modules providing detection of gamma annihilation photons, and a Radio Frequency (“RF”) coil provided between the patient and the plurality of photodetector modules. Each of the plurality of photodetector modules includes a pixelated scintillator array provided for alignment adjacent the patient's body, and a shielding block including silicon photomultiplier pads and passive electronic circuitry only. | 09-18-2014 |
20140275966 | SYSTEM AND METHOD FOR MOTION TRACKING USING UNIQUE ULTRASOUND ECHO SIGNATURES - A system and method for tracking the position of a region in a subject using an ultrasound system is provided. Training data that indicates the position of the region is acquired from the subject while ultrasound data is acquired from the subject using the ultrasound system. A position mapping table is formed using the training data and ultrasound data; this table relates position information contained in the training data to the acquired ultrasound data. The position of the region is tracked by acquiring additional ultrasound data from the subject using the ultrasound system. This additional ultrasound data is compared to the ultrasound data contained in the position mapping table to identify the position of the region based on a unique relationship between the position of the region and ultrasound echo signatures of the ultrasound data acquired in both the training and motion tracking stages. | 09-18-2014 |
20140275967 | Method and Apparatus for Detecting a Dipole Position Marker - An apparatus, method and system for detecting a position within a body are provided. A dipole that is free to rotate or oscillate within a capsule is inserted at a target location within the body. The dipole can be either electric or magnetic, and the dipole rotates or oscillates within the capsule when an alternating or rotating electric or magnetic field is applied in the vicinity of the dipole. Ultrasound energy is impinged upon the target location and a position of the dipole is determined based on detected ultrasound reflections. | 09-18-2014 |
20140275968 | SURROGATE IMPLANTED MEDICAL DEVICE FOR ENERGY DISSIPATION OF EXISTING IMPLANTED LEADS DURING MRI SCANS - A surrogate implantable medical device includes a thermally conductive and electrically conductive housing. A header connector block includes a header block body, where the header block body is attached to the housing. At least one connector cavity is located within the header block body and configured to be attachable to an implantable lead. At least one conductive leadwire is disposed at least partially within the header block body having a first end and a second end. The at least one conductive leadwire's first end is electrically connected to the at least one connector cavity and the at least one conductive leadwire's second end is electrically connected to the housing. The housing does not contain active electronics. | 09-18-2014 |
20140296697 | METHOD FOR DISPLAYING SIGNAL VALUES OF A COMBINED MAGNETIC RESONANCE POSITRON EMISSION TOMOGRAPHY DEVICE AND A CORRESPONDINGLY EMBODIED MAGNETIC RESONANCE POSITRON EMISSION TOMOGRAPHY DEVICE - A method, a computer program product and a computer-readable storage medium are disclosed for displaying signal values of a combined magnetic resonance positron emission tomography device. In at least one embodiment, the spatial correspondence of signal values, which result from a magnetic resonance measurement, and of signal values, which result from a positron emission tomography measurement, are used and the corresponding signal values are arranged in matrix form and displayed graphically as a multi-dimensional scatter plot. | 10-02-2014 |
20140296698 | METHOD FOR CREATING A MOTION CORRECTION FOR PET DATA, A METHOD FOR CREATING PET IMAGES AS WELL AS A CORRESPONDINGLY EMBODIED MR SYSTEM AND PET SYSTEM - A method is disclosed for creating a motion correction for PET data acquired by a PET system from a volume segment of an examination object. The method includes acquisition of MR data within the volume segment by the magnetic resonance system; and determination of a motion model of a motion within the volume segment as a function of the MR data. The motion model, as a function of a respective motion state of the motion, provides a correction specification for PET data which is acquired during this motion state. During acquisition of the MR data, specific MR data is acquired in the center of the k-space or of a straight-line segment which passes through the center of the k-space. The MR data determined is converted by a mathematical function into one value, as a function of which the respective motion state is determined. | 10-02-2014 |
20140296699 | IMPLANTABLE DEVICE WITH BIAS FOR MRI - An ambulatory or implantable device, such as a pacer, defibrillator, or other cardiac rhythm management device, can tolerate magnetic resonance imaging (MRI) or other noise without turning on an integrated circuit diode by selectively providing a bias voltage that can overcome an expected induced voltage resulting from the MRI or other noise. | 10-02-2014 |
20140303482 | MAGNETIC RESONANCE IMAGING METHOD FOR IMAGING COMPONENTS WITH SHORT TRANSVERSE RELAXATION TIMES (T2) IN A HUMAN OR AN ANIMAL HEART - A magnetic resonance imaging (MRI) method for imaging components with short transverse relaxation times (T | 10-09-2014 |
20140303483 | BREAST BIOPSY SYSTEM USING MR AND GAMMA IMAGING - Described herein is the use of gamma cameras in the fringe field of the MRI system. Specifically, an MR image of the breast with lesion identification is first produced. Then, a gamma camera is attached to the existing breast immobilization system for generating one or more gamma images of the breast. The gamma camera is then removed from the breast immobilization system, and a breast biopsy is performed. The gamma camera can then be used to image the biopsy cores that have been removed from the patient in order to verify that the biopsy cores are radioactive, that the biopsy cores extend from one end of the lesion to the other and have a radioactive profile in which the tip is not as radioactive as the middle, and in which the ratio of amount of radioactivity in the middle of the core to the amount of radioactivity that is present in the tip of the core can be expressed as a ratio. | 10-09-2014 |
20140303484 | MODULAR PROCESSING OF MAGNETIC RESONANCE DATA - The invention provides for medical instrument ( | 10-09-2014 |
20140303485 | RF-SAFE INTERVENTIONAL OR NON-INTERVENTIONAL INSTRUMENT FOR USE IN AN MRI APPARATUS - An RF-safe interventional or a non-interventional instrument is disclosed for use during an MR imaging or MR examination of an examination object (A), which instrument is made of or comprises at least one longitudinal or elongated electrically conductive element ( | 10-09-2014 |
20140309519 | MAGNETIC RESONANCE THERMOGRAPHY: HIGH RESOLUTION IMAGING FOR THERMAL ABNORMALITIES - A magnetic resonance scanner ( | 10-16-2014 |
20140316247 | METHOD, APPARATUS, AND SYSTEM FOR TRACKING DEFORMATION OF ORGAN DURING RESPIRATION CYCLE - A method and apparatus of tracking a change in a region of interest in an subject according to respiration are provided. For example, an apparatus embodiment may include a model selector configured to select a model from among models of a region of interest of an subject generated to indicate a change in a region of interest during a respiration cycle of the subject, a respiration signal obtainer configured to obtaining a respiration signal of the region of interest by using ultrasound images including the region of interest obtained during the respiration cycle of the subject, and an information obtainer configured to obtain information regarding the region of interest at a time when the ultrasound images are obtained, from the selected model, by using the obtained respiration signal. | 10-23-2014 |
20140316248 | METHODS FOR MEASUREMENT AND ANALYSIS OF BRAIN ACTIVITY - A computer assisted method is provided for diagnosing the in condition of a subject associated with particular activation in one or more regions of interest, the method comprising: having the subject perform a behavior or have a perception adapted to selectively activate one or more regions of interest associated with the condition; measuring activity of the one or more regions of interest as the behavior is performed or the subject has the perception; diagnosing the condition associated with the one or more regions of interest based on the activity in response to the behavior or perception; performing an intervention; and repeating this process one or more times including repeating said behavior, said measuring of activity and said diagnosis at a later time; and observing changes between measurements that are associated with said intervention. | 10-23-2014 |
20140316249 | ELECTRONIC BRACHYTHERAPY SOURCE FOR USE IN/NEAR MR SCANNERS - A miniature X-ray source ( | 10-23-2014 |
20140323848 | Systems And Methods For Noninvasive Spectral-Spatiotemporal Imaging of Cardiac Electrical Activity - A system and method for non-invasively generating a report of cardiac electrical activities of a subject includes determining, using cardiac electrical activation information, equivalent current densities (ECDs). The ECDs are assembled into time-course ECD information and a spectrum of the time-course ECD information is analyzed to determine peaks for spectral characteristics of atrial fibrillation (AF). The spectral characteristics of AF are correlated with potential electrical sources of the AF and a report is generated indicating the potential electrical sources of the AF spatially registered with the medical imaging data. | 10-30-2014 |
20140323849 | Optogenetic Magnetic Resonance Imaging - Disclosed herein are systems and methods involving the use of magnetic resonance imaging and optogenetic neural stimulation. Aspects of the disclosure include modifying a target neural cell population in a first region of a brain to express light-responsive molecules. Using a light pulse, the light-responsive molecules in the target neural cell population are stimulated. Multiple regions of the brain are scanned via magnetic resonance imaging. The scans allow for observation of a neural reaction in response to the stimulation in at least one of the multiple regions of the brain. | 10-30-2014 |
20140330107 | ULTRASOUND SYSTEM AND METHOD FOR PROVIDING CHANGE INFORMATION OF TARGET OBJECT - Provided are an ultrasound system and method for providing change information of a target object by performing image registration on a reference image acquired before radiofrequency ablation (RFA) and an ultrasound image acquired during the RFA and comparing the reference image and the ultrasound image that have undergone the image registration with each other. | 11-06-2014 |
20140330108 | System and Method for Image Guidance During Medical Procedures - A surgical guidance system is disclosed that allows for real-time imaging and patient monitoring during a surgical procedure. The system can include an MRI system for generating real-time images of the patient while surgery is being performed. Prior to surgery, a surgical plan can be created using a planning interface. A control unit receives the real-time image data and the surgical plan, and monitors the image data based on parameters included in the surgical plan. The control-unit monitoring occurs in real-time while the surgical procedure is being performed. The control unit can detect deviations from the surgical plan and/or high-risk patient conditions and instruct an alert unit to issue an alert based on the detected conditions. | 11-06-2014 |
20140330109 | PHOTOBIOMEDICAL MEASUREMENT APPARATUS - A photobiomedical measurement apparatus includes a measurement point determination module to determine a specified position in a brain surface image as a measurement point by designating the specified position in the brain surface image with an input device, an estimated point determination module to determine a specific position in a scalp surface image as an estimated point(s) based on the measurement point (m) and displaying an image of the estimated point (s); and a position-guiding module that displays, on the scalp surface image pathway images (L1, L2), which represent the shortest pathways along the scalp surface between the estimated point (s) and reference points on the scalp surface image corresponding to reference points of the subject. | 11-06-2014 |
20140336497 | NON-INVASIVE OR MINIMALLY INVASIVE PARASPINAL AND PRE-AORTIC SYMPATHETIC ABLATION FOR THE TREATMENT OF HYPERTENSION - A system for treatment includes a focused ultrasound energy source for placement outside a patient, wherein the focused ultrasound energy source is configured to deliver ultrasound energy towards a blood vessel with a surrounding nerve that is a part of an autonomic nervous system inside the patient, and wherein the focused ultrasound energy source is configured to deliver the ultrasound energy from outside the patient to the nerve located inside the patient to treat the nerve. | 11-13-2014 |
20140336498 | MEDICAL IMAGING SYSTEM HAVING A MAGNETIC RESONANCE IMAGING UNIT AND A POSITRON EMISSION TOMOGRAPHY UNIT - A medical imaging system includes a magnetic resonance imaging unit including a magnet unit and a patient receiving area surrounded by the magnet unit, wherein the magnet unit includes a main magnet, a gradient coil unit and a radio-frequency antenna unit. In at least one embodiment, the medical imaging system further includes a positron emission tomography unit including at least two positron emission tomography detector modules. The at least two positron emission tomography detector modules each include a detector surface. Further, the radio-frequency antenna unit is disposed outside an area disposed between an examination area and the detector surfaces. | 11-13-2014 |
20140336499 | METHOD FOR CREATING A DETAILED ATTENUATION VALUE MAP FOR A LIMITED BODY REGION - A method, medical imaging device and computer program product are disclosed for creating a detailed attenuation value map for a limited body region of a patient for a positron emission tomography examination. In an embodiment, the method includes an acquisition of first attenuation value data from a first attenuation value measurement of the limited body region; an ascertainment of at least one mean attenuation value based upon the first attenuation value data for the limited body region; an acquisition of second attenuation value data from a second attenuation value measurement of the limited body region; an ascertainment of local correction values based upon the second attenuation value data for the limited body region; and a determination of the detailed attenuation value map for the limited body region based upon the at least one mean attenuation value and based upon the local correction values. | 11-13-2014 |
20140343400 | MEDICAL IMAGE DIAGNOSIS APPARATUS AND PET-MRI APPARATUS - A medical image diagnosis apparatus according to an embodiment includes: a first image taking unit, a second image taking unit, a position specifying unit, and a moving controlling unit. The first image taking unit performs an image taking process by implementing PET while using a first PET detector and a second PET detector. The position specifying unit specifies positions of the first PET detector and the second PET detector, on the basis of a medical image taken by the second image taking unit. The moving controlling unit controls moving of the first PET detector and the second PET detector in accordance with the specified positions. The first image taking unit and the second image taking unit each perform the image taking process after the first PET detector and the second PET detector have been moved. | 11-20-2014 |
20140350381 | METHOD AND APPARATUS FOR CONTROLLING MEDICAL DIAGNOSTIC SYSTEM, AND METHOD OF PROVIDING SUBJECT IMAGE - A method of controlling a medical diagnostic system using a contrast medium is provided. The method includes injecting the contrast medium into a subject; obtaining an appearance image of the subject via a first camera; obtaining a temperature distribution image of the subject via a second camera; displaying a fusion image which combines the appearance image of the subject and the temperature distribution image of the subject on a screen; determining whether a side effect of the contrast medium has occurred in the subject, based on the fusion image; and selectively controlling the medical diagnostic system depending on a result of the determining. | 11-27-2014 |
20140350382 | APPARATUS AND METHOD FOR ADMINISTERING CONTRAST MEDIUM DURING MAGNETIC RESONANCE TOMOGRAPHY, MAGNETIC RESONANCE TOMOGRAPHY SYSTEM AND USE OF THE APPARATUS - An apparatus and a method are specified for administering a gentle contrast medium during magnetic resonance tomography. The apparatus comprises means for injection of blood into the patient as well as an enrichment device for enriching the blood with the gaseous contrast medium. As part of the magnetic resonance tomography imaging the blood is enriched with the gaseous contrast medium and injected into the patient. The contrast medium contains oxygen. | 11-27-2014 |
20140350383 | PET-MRI DEVICE - A PET-MRI device according to an embodiment includes image generators and a derivation unit. The image generators capture an image of a target placed in an effective visual field of a PET by the PET and an MRI so as to generate a PET image and an MR image. The derivation unit calculates a strain correction factor for correcting strain on the MR image based on a positional relation between a target that is expressed on the PET image and a target that is expressed on the MR image. | 11-27-2014 |
20140350384 | APPARATUS AND METHOD FOR USE IN ANALYZING A PATIENT'S BOWEL - An apparatus and method are provided for use in studying a patient's bowel which combines recording and analysis of physiologic parameters and patient sensory perception. A pain input detector, a pain transducer, and a processor are provided. A gas pressure transducer and flow meter may also be provided. Output data may be generated to reflect perceived patient pain, volume of gas delivered to the patient's bowel, and bowel pressure. An indication of perceived patient pain is processed by the processor to generate data that may used to validate a scan of a patient or may be used as a diagnostic tool. | 11-27-2014 |
20140357980 | METHOD FOR MOTION CORRECTION OF EMISSION COMPUTED TOMOGRAPHY DATA BY WAY OF MAGNETIC RESONANCE TOMOGRAPHY DATA - A method includes introducing the examination object into an examination region of a combination device; recording emission computed tomography data over a measurement period and storing detection events and detection instants associated therewith; measuring magnetic resonance data of at least two subregions of the examination region at at least two instants during the recording period of the emission computed tomography data and storing the magnetic resonance data and the recording instants; determining motion information describing a motion of a region of the examination object at a first instant relative to the position at a second instant from the magnetic resonance data recorded at the first instant and the second instant, for each subregion; determining a motion model describing motion of the examination object, for the entire object, from information for the subregions; and calculating motion-corrected emission tomography data from detection events, detection instants and the motion model. | 12-04-2014 |
20140364721 | IN VIVO VISUALIZATION AND CONTROL OF PATHOLIGICAL CHANGES IN NEURAL CIRCUITS - Neurological Disease Mechanism Analysis for Diagnosis, Drug Screening, (Deep) Brain Stimulation Therapy design and monitoring, Stem Cell Transplantation therapy design and monitoring, Brain Machine Interface design, control, and monitoring. | 12-11-2014 |
20140371573 | METHOD OF IDENTIFYING THE SPATIAL DISTRIBUTION OF AREAS IN A SENSORY AREA OF BRAIN, PROGRAM, AND RECORDING MEDIUM THEREFOR - A method of identifying a spatial distribution of areas includes: a first step of determining a rough spatial distribution of at least one area in a sensory area of cerebral cortex in each of a left hemisphere and right hemisphere of the brain that is a target area of the identification; a second step of applying a sensory stimulus to the identification target area; a third step of obtaining brain activity information; and a fourth step of using the brain activity information to calculate one of a coefficient of cross-correlation, and coherence, between brain activity information of areas, assessing synchrony between the left and right hemispheres, and changing the spatial distribution determined in the first step. | 12-18-2014 |
20140371574 | NONCONTACT ELECTROPHYSIOLOGICAL MEASUREMENT AND IMAGING OF THE HEART - Method and system for noncontact electrophysiologic imaging of the heart. The methods may employ the magnetization and its relaxation-based measurements, sensitive or specifically sensitized to the properties of cardiac electrical activity, to determine the spatio-temporal distribution of cardiac electromagnetic field and cardiac electrical potentials, and to display such spatio-temporal distribution (image) for assisting in the identification of the regions with abnormal cardiac electrical activity. In one embodiment, the system uses external magnets, gradient magnetic fields and radio-frequency waves, such as those commonly used for MRI, to generate the magnetic resonance. The system synchronizes scanning to the cardiac cycle using a measure of cardiac activity (e.g., electrocardiogram, ultrasound, ballistocardiogram, arterial pressure or cardiac sounds) and examines the difference between the cardiac electromagnetic properties (magnetization and relaxation) modulated by the oscillating radio-frequency fields and/or gradient fields of different orientations and magnitudes in the presence and absence of the cardiac electrical currents. | 12-18-2014 |
20140378818 | DIRECT MAGNETIC IMAGING AND THERMAL ABLATION FOR CANCER DIAGNOSIS AND TREATMENT - Devices and methods for identifying and destroying cancer cells are disclosed. Devices and methods may relate to techniques of imaging and/or irradiating cells bearing a plurality of surface-modified superparamagnetic iron oxide nanoparticles (SPIONs) therein. Imaging can be realized with a magnetic imaging device that generates an imaging magnetic field. A magnetic field associated with the SPION-bearing cancer cells and resulting from imaging, can be detected with a detection device. Irradiation can be realized with a magnetic field emission device that generates an irradiation magnetic field such that the SPIONs in the SPION-bearing cells are heated as a result of said magnetic field, thereby killing the SPION-bearing cells. The magnetic imaging device may be used as the magnetic field emission device. The magnetic fields produced for imaging and/or irradiating, as well as the associated magnetic field, can be focused using one or more magnetic metalens devices. | 12-25-2014 |
20140378819 | METHOD OF PROVIDING GUIDE INFORMATION FOR PHOTOGRAPHING OBJECT, METHOD OF RECOMMENDING OBJECT, AND MEDICAL IMAGE CAPTURING APPARATUS - A system provides guidance information for guiding sequencing and acquisition of medical images of objects by obtaining first imaging configuration information of a first object and second imaging configuration information of a second object. The system classifies the first imaging configuration information into, changing information indicating a difference between the first and second imaging configuration and unchanging information indicating no difference between the first and second imaging configuration, by comparing the first imaging configuration information and the second imaging configuration information. The system outputs the changing information as guide information for imaging the second object. | 12-25-2014 |
20140378820 | SYSTEMS AND METHOD FOR AUTOMATICALLY DETECTING AN MRI ENVIRONMENT FOR PATIENT IMPLANTED WITH MEDICAL DEVICE - Methods, medical devices, and magnetic resonance imaging (MRI) systems are provided. A patient implanted with a medical device is exposed to a time-varying magnetic field having a signature, thereby inducing mechanical vibrations in at least one component of the medical device. A vibrational characteristic of the mechanical vibrations induced in the component(s) is detected. The vibrational characteristic is analyzed, and the signature of the magnetic field is identified based on the analyzed vibrational characteristic. The medical device is automatically switched from a first operational mode to a second operational mode when the signature is identified. | 12-25-2014 |
20140378821 | MASK FOR ANALYZED MAMMALS - An encapsulatable life support mechanism (ELSM) for an analyzed animal, including: a cradle or bed adapted by means of size and shape to accommodate the animal; an anesthetization gas mask (AGM) characterized by a cup with conic cross section, comprising a plurality of apertures located at the outer circumference of the cup; a fluid supplying mechanism (FSM) in which the AGM is placed, the FSM is in a continuous fluid communication with (i) an anesthetization gas inlet positioned outside the ELSM and an outlet located within the ELSM; (ii) an air suction scavenging device positioned outside the ELSM and a mask and an air suction outlet located within the ELSM; and a plurality of (iii) air conditioning tubes; and an airtight shell enveloping the same. The airtight ELSM prevent leakage of anesthetization gas. | 12-25-2014 |
20150011865 | SYSTEMS AND METHODS FOR TRACKING IMAGING ATTENUATORS - A system for imaging an object is provided including a first imaging acquisition module, a magnetic resonance imaging (MRI) acquisition module, and a first reconstruction module. The first imaging acquisition module is configured to acquire imaging information using a first non-MRI modality. The MRI acquisition module is configured to acquire MR non-imaging, foreign structure (NFIS) information. The MR NFIS information is acquired via at least one tracking coil associated with an external non-therapeutic (ENT) structure. The MR NIFS information corresponds to at least one of a position or orientation of the ENT structure. The first reconstruction module is configured to obtain the MR NIFS information and use the MR NIFS information to correct an attenuation in the imaging information acquired by the first imaging acquisition module associated with the ENT structure. | 01-08-2015 |
20150011866 | Probe for Surgical Navigation - Disclosed is a probe for use in conjunction with a surgical navigation platform to transform image sequences from multiple imaging modalities into a uniform coordinate system, stacking 2D image sequences into 3D image voxels. Image volumes are aligned, spatially co-registering each image volume to a base anatomical image volume, segmented to generate new image volumes for creating aspects of the image. | 01-08-2015 |
20150018666 | Method and Apparatus for Registering Image Data Between Different Types of Image Data to Guide a Medical Procedure - A method and apparatus are provided for registering image data between two different types of image data. The image data is obtained during two separate scanning processes. The first process is a high-resolution imaging process, such as a CT scan or an MRI. The second process is a lower resolution process, such as ultrasound. The image data is registered in real time so that the combined image data can be displayed during the second process to guide a medical professional during a procedure. | 01-15-2015 |
20150018667 | PROMOTING TRANSCRANIAL DIRECT CURRENT STIMULATION OR TRANSCRANIAL MAGNETIC STIMULATION USING TEMPERATURE-INDUCED SYNAPTIC MODULATION - Disclosed herein are representative embodiments of methods, systems, and apparatus for enhancing or diminishing synaptic strength. Embodiments of the disclosed methods, systems, and apparatus can be used, for example, to complement the change in synaptic strength from transcranial direct current stimulation (“tDCS”) or transcranial magnetic stimulation (“TMS”) systems. One exemplary embodiment disclosed herein is a flexible housing having a top surface and a bottom surface. The flexible housing of this embodiment comprises a recessed cavity on the bottom surface that is configured to at least partially enclose an electrode of a transcranial direct current stimulator system. The flexible housing of this embodiment further comprises one or more apertures configured to provide access to the recessed cavity when the electrode is positioned within the recessed cavity. The flexible housing can further comprise one or more heating or cooling elements that can be selectively activated before, during, and/or after tDCS or TMS stimulation. | 01-15-2015 |
20150025358 | SURFACE STATIONARY ARRAY COIL STRUCTURE FOR MULTI-MODALITY IMAGING - A stand-alone MR or hybrid PET-MR imaging system incorporating a surface stationary RF coil structure is disclosed. The imaging system includes a support assembly comprising a cradle to accommodate a subject and a bridge to receive the cradle and provide for translation therealong to enable an acquisition of imaging data. An RF coil structure is positioned between the bridge and the cradle, and includes a base portion, a cover portion, and an array of RF coil elements positioned on the cover portion. The cover portion includes contoured features that enable placement of RF coil elements in proximity to a subject and to provide a constant and uniform gap between the RF elements and the cradle. The RF coil structure also includes structural elements that support the cradle when rolling over the array of RF coil elements without deforming the RF coil elements. | 01-22-2015 |
20150025359 | METHOD FOR EVALUATION AND COMPARISON OF A CHRONOLOGICAL SEQUENCE OF COMBINED MEDICAL IMAGING EXAMINATIONS AND ALSO A MEDICAL IMAGING SYSTEM WHICH IS DESIGNED FOR EXECUTING THE INVENTIVE METHOD - A method is disclosed for evaluating and comparing a chronological sequence of at least two combined medical imaging examinations, wherein a combined medical imaging examination is carried out in each case by way of a first imaging apparatus and by way of a second imaging apparatus which is formed by a Positron Emission Tomography apparatus. On the basis of the image data captured by the first imaging apparatus, a transformation specification is created and this is applied to the image data captured by the Positron Emission Tomography apparatus, so that a direct comparison of the first and second image data captured by way of the Positron Emission Technology apparatus is made possible. | 01-22-2015 |
20150025360 | REFERENCE-LIBRARY EXTENSION DURING IMAGING OF MOVING ORGANS - Images acquired during an image-guided treatment procedure sometimes exceed the scope of a reference library previously acquired for the purpose of monitoring and/or adjusting the treatment. In this situation, the reference library may be extended dynamically and/or in real time based on the newly acquired treatment images and/or other available information. | 01-22-2015 |
20150031981 | HIGH-FREQUENCY ANTENNA UNIT AND A MAGNETIC RESONANCE APPARATUS WITH THE HIGH-FREQUENCY ANTENNA UNIT - A high-frequency antenna unit includes a high-frequency antenna element and a stabilization layer, arranged at least partially around the one high-frequency antenna element. In at least one embodiment, the high-frequency antenna unit includes a layer which at least partially includes an imaging material. | 01-29-2015 |
20150031982 | SURGICAL NAVIGATION DEVICES AND METHODS - A trajectory frame for use with surgical navigation systems includes a base having a patient access aperture formed therein. A yoke is mounted to the base and is rotatable about a roll axis. A platform is mounted to the yoke and is rotatable about a pitch axis. An elongated guide is secured to the platform and includes opposite proximal and distal end portions and a bore that extends from the proximal end portion to the distal end portion. The guide is configured to removably receive various devices therein for quick release therefrom, including an optical tracking probe (which may be a universal tracker) detectable by a camera-based tracking system or an EM probe detectable by an EM navigation system, a microelectrode probe driver adapter, a drill guide and drill bit, skull fixation device and driver, and a catheter guide. | 01-29-2015 |
20150038827 | MEDICAL IMAGE DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC APPARATUS - According to one embodiment, a medical image diagnostic apparatus includes an imaging unit, an image generation unit, and a display unit. The imaging unit images a subject injected with blood vessel contrast enhancement particles and diseased tissue contrast enhancement particles. The blood vessel contrast enhancement particles have the first particle size larger than the gap of vascular endothelial cells under the EPR effect. The diseased tissue contrast enhancement particles have the second particle size smaller than the gap. The image generation unit generates a medical image associated with an imaging region of the subject based on output data from the imaging unit. The display unit displays the medical image. | 02-05-2015 |
20150045652 | Magnetic Resonance Apparatus with Optimized Arrangement of Local Coils - A magnetic resonance apparatus includes a patient couch with a couch surface on which a patient is supportable. In the patient couch, lower local coils for receiving excited magnetic resonance signals of the patient are arranged below the couch surface. On an upper side of the patient couch, connecting devices are arranged to sides. The magnetic resonance device includes upper local coils that are detachably connected mechanically and electrically with the connecting devices. The lower local coils and the upper local coils are connected to electronics that at least include a respective pre-amplifier and are connected via connection lines arranged outside the patient couch to an evaluation device. In a state in which the upper local coils are connected to the connecting devices, the upper local coils are fixed mechanically to the patient couch and cover the patient in a dome shape. The electronics are arranged in the patient couch. | 02-12-2015 |
20150045653 | PET-MRI APPARATUS - A positron emission tomography (PET)-magnetic resonance imaging (MRI) apparatus according to an embodiment includes a gantry having a static magnetic field magnet, a gradient coil, and a radio frequency coil, a PET detector, and a moving mechanism. The static magnetic field magnet generates a static magnetic field in a bore having an approximately cylindrical shape. The gradient coil is disposed on an inner circumference side of the static magnetic field magnet and applies a gradient magnetic field to an object disposed in the bore. The radio frequency coil is disposed on an inner circumference side of the gradient coil and applies a radio frequency magnetic field to the object. The PET detector detects gamma rays emitted from a positron-emitting radionuclide injected into the object. The moving mechanism causes the PET detector in the gantry along the axial direction of the bore. | 02-12-2015 |
20150051475 | TEMPERATURE DETERMINATION USING B1 FIELD MAPPING - A medical apparatus ( | 02-19-2015 |
20150051476 | METHOD FOR AN EVALUATION OF FIRST IMAGE DATA OF A FIRST IMAGING EXAMINATION AND SECOND IMAGE DATA OF A SECOND IMAGING EXAMINATION AND ALSO A MEDICAL IMAGING SYSTEM WHICH IS DESIGNED FOR CARRYING OUT THE METHOD - A method is disclosed for an evaluation of first image data of a first imaging examination and second image data of a second imaging examination on a patient. In an embodiment, the method includes a provision of first image data of the first imaging examination captured by way of a first imaging apparatus; a provision of second image data of the second imaging examination captured by way of a second imaging apparatus; a determination of first dynamic data on the basis of the first image data as a function of a time; a determination of second dynamic data on the basis of the second image data as a function of a time; and a determination of correlated data of a correlation of the first dynamic data with the second dynamic data. | 02-19-2015 |
20150051477 | FIBROUS MARKER AND INTRACORPOREAL DELIVERY THEREOF - An intracorporeal marker delivery system includes a delivery device including a delivery cannula and a plunger. The delivery cannula has an inner lumen, a distal tip, and a discharge opening in communication with the inner lumen. A radiographically detectable marker having a fibrous-body and a radiographically detectable marker element coupled to the fibrous body is disposed within and pushable by the plunger through the inner lumen of the delivery cannula. An MRI detectable distal tip plug is disposed at least in part within a distal portion of the inner lumen distal to the radiographically detectable marker, and configured to partially occlude the discharge opening in the delivery cannula. An ultrasound detectable short term marker is interposed between the radiographically detectable marker and the MRI detectable distal tip plug in the inner lumen of the delivery cannula. | 02-19-2015 |
20150057526 | CONTROL OF A MEDICAL IMAGING DEVICE VIA A NAVIGATION SYSTEM - The present invention relates to a data processing method of determining at least one operating parameter of a medical imaging device, the method being executed by a computer and comprising the following steps:
| 02-26-2015 |
20150065854 | JOINT ESTIMATION OF ATTENUATION AND ACTIVITY INFORMATION USING EMISSION DATA - Methods, systems and non-transitory computer readable media for imaging are disclosed. Emission projection data corresponding to a target region of a subject is acquired using an emission tomography system. Additionally, one or more magnetic resonance images of the target region are generated using a magnetic resonance imaging system operatively coupled to the emission tomography system. A partially-determined attenuation map is determined by identifying one or more regions in the partially-determined attenuation map with a designated confidence level based on the magnetic resonance images. Further, a complete attenuation map and/or a complete activity map is reconstructed from the emission projection data using the partially-determined attenuation map as a constraint. One or more images corresponding to the target region are then generated based on the partially-determined attenuation map, the complete attenuation map and/or the complete activity map. | 03-05-2015 |
20150065855 | CARDIAC IMAGING PROCESSING FOR INTERVENTIONS - A method of processing an image includes determining a local disease severity measure based on a 3D dataset. The method further includes determining a target region for a treatment, based on the local disease severity measure, wherein the target region corresponds to a transition region between a first region and a second region, wherein the first region has values of the local disease severity measure which are substantially distinct from the values of the local disease severity measure in the second region. The method further includes registering at least the target region with an interventional image modality. For example, the local disease severity measure is indicative of a measure of a local disease severity at a location along a surface of a myocardium. | 03-05-2015 |
20150065856 | Ultrasonic Measuring Device, Examination Apparatus and Method for Operating Same - The invention relates to an ultrasonic measuring device including an ultrasonic array configured to detect ultrasonic signals, and a housing. The housing includes an acoustic window portion and a housing wall. The ultrasonic array is arranged in the housing in acoustic contact with the acoustic window portion. The acoustic window portion is configured to adhere to a surface of the object to be examined. The invention further relates to an examination apparatus, which includes at least one such ultrasonic measuring device, and to a method for ultrasonic signal detection, in particular for ultrasound-based imaging. | 03-05-2015 |
20150065857 | Determining a Respiratory Rate of a Living Being - A method for determining a respiratory rate of a living being includes emitting a radio signal using a radio transmitter arranged on the living being. The emitted radio signal is acquired, and the respiratory rate is determined based on the acquired radio signal. | 03-05-2015 |
20150065858 | CORE-SATELLITE NANOCOMPOSITES FOR MRI AND PHOTOTHERMAL THERAPY - The present invention provides methods, compositions, systems, and kits comprising core-satellite nanocomposites useful for photothermal and/or MRI applications (e.g., tumor treatment and/or imaging). In certain embodiments, the core-satellite nanocomposites comprise: i) a core nanoparticle complex comprising a biocompatible coating surrounding a nanoparticle core, and ii) at least one satellite component attached to, or absorbed to, the biocompatible coating. In some embodiments, the nanoparticle core and satellite component are composed of near-infrared photothermal agent material and/or MRI contrast agent material. In further embodiments, the satellite component is additionally or alternatively composed of near-infrared optical dye material. | 03-05-2015 |
20150065859 | METHOD AND APPARATUS FOR REGISTERING MEDICAL IMAGES - A method for registering medical images of different types, includes: receiving a selection of at least one point in a first medical image that is acquired in non-real time; extracting, from the first medical image, a first anatomic object which includes the selected point and a second anatomic object which is adjacent to the selected point; extracting, from a second medical image that is acquired in real time, a third anatomic object which corresponds to the first anatomic object and a fourth anatomic object which corresponds to the second anatomic object; and registering the first medical image and the second medical image based on a geometric relation between the first, second, third, and fourth anatomic objects. | 03-05-2015 |
20150065860 | Method And Apparatus For Shielding A Linear Accelerator And A Magnetic Resonance Imaging Device From Each Other - A radiation therapy system comprises a magnetic resonance imaging (MRI) system combined with an irradiation system, which can include one or more linear accelerators (linacs) that can emit respective radiation beams suitable for radiation therapy. The MRI system includes a split magnet system, comprising first and second main magnets separated by gap. A gantry is positioned in the gap between the main MRI magnets and supports the linac(s) of the irradiation system. The gantry is rotatable independently of the MRI system and can angularly reposition the linac(s). Shielding can also be provided in the form of magnetic and/or RF shielding. Magnetic shielding can be provided for shielding the linac(s) from the magnetic field generated by the MRI magnets. RF shielding can be provided for shielding the MRI system from RF radiation from the linac. | 03-05-2015 |
20150065861 | MEDICAL IMAGE DIAGNOSTIC DEVICE - A medical image diagnostic device according to an embodiment includes a first collector, a second collector, and an image generator. The first collector collects data from a first region of a subject through a first detector. The second collector collects data from a second region of the subject that is different from the first region through a second detector. The image generator generates a first diagnostic image from the data collected by the first collector and generates a second diagnostic image from the data collected by the second collector. | 03-05-2015 |
20150073259 | SYSTEM AND METHOD FOR CT-GUIDED NEEDLE BIOPSY - An image-guided system and method for performing needle biopsy on a moving lung nodule of a body is provided. CT images of the lung nodule are obtained to generate a motion model, based on which an optimal needle advancing path is determined. The motion of the lung nodule and the motion of a fiducial marker attached to the body are correlated. The motion of the fiducial marker is tracked and monitored by a camera to determine a position of the lung nodule based on the correlation. A time for advancing the needle is determined based on a motion attribute of the reference. The needle is advanced by a robotic needle manipulator at the predetermined time along the path to accomplish the needle placement. | 03-12-2015 |
20150073260 | BLOOD-BRAIN BARRIER RECOVERY CURVE ASSESSMENT METHOD AND SYSTEM - The present invention relates to a blood-brain barrier recovery curve assessment method which uses a focused ultrasound dynamic contrast-enhanced MRI technique, in order to obtain a permeability constant of drug. Furthermore, the present invention, using a double exponential distribution function mathematical model, can estimate the actual physiological recovery curve of the blood-brain barrier. Meanwhile, the present invention also provides a monitoring system for the blood-brain barrier permeability. | 03-12-2015 |
20150073261 | MODIFICATION OF A TREATMENT PLAN USING MAGNETIC RESONANCE DATA ACQUIRED DURING A COOLING PERIOD - A medical apparatus ( | 03-12-2015 |
20150073262 | METHOD FOR ESTIMATING THE SHAPE OF AN INDIVIDUAL EAR - A method of estimating the shape of an individual ear includes determining at least part of the shape of the individual ear, the shape being determined over a first extent and constituting a determined shape; taking a predefined template shape determined by statistical analysis of a plurality of previously measured ear shapes according to a statistical model, the template shape having a second extent; and generating an estimated shape corresponding to an estimated representation of the shape of the individual ear over the intersection of the first extent and second extent by modifying the template shape to substantially match the determined shape over the first extent or over the second extent within a predefined tolerance. Also, a method of optimising an ITE shell, BTE or CRT housing, or BTE sound tube to a given population group utilising the same template methodology. | 03-12-2015 |
20150080704 | REDUCING ARTEFACTS IN MRI IMAGE DATA - A computer-implemented method is provided for reducing artefacts in an MRI image as a result of radiation induced current in collector coils of an MRI apparatus. The method comprises the following steps. Selecting a plurality of pixels in a k-space image prior to generation of the MRI image. Analysing each of the plurality of selected pixels to determine whether a pixel intensity is greater than a predefined global threshold. For each pixel having pixel intensity greater than the predefined global threshold, determining whether the pixel lies within a signal region of the k-space image or outside of the signal region of the k-space image. For each pixel that lies outside of the signal region, modifying the pixel intensity to be similar to a background pixel intensity, thereby creating a modified k-space image. Generating the MRI image based on the modified k-space image. A non-transitory computer readable medium and a radiation therapy system configured to implement the method are also provided. | 03-19-2015 |
20150080705 | HIGH-INTENSITY FOCUSED ULTRASOUND FOR HEATING A TARGET ZONE LARGER THAN THE ELECTRONIC FOCUSING ZONE - The invention provides for a medical instrument ( | 03-19-2015 |
20150080706 | Medical Imaging Device - A medical imaging device includes an imaging modality for recording a medical image, a housing unit for housing the imaging modality, a system electronics unit for operating the imaging modality, and a receiving element for accommodating the system electronics unit. The receiving element includes a connecting element for connecting the receiving element to the imaging modality and/or the housing unit. | 03-19-2015 |
20150087958 | METHOD FOR DETERMINING A POSITION-DEPENDENT ATTENUATION MAP OF SURFACE COILS OF A MAGNETIC RESONANCE/PET SCANNER - A method is disclosed for determining a position-dependent attenuation map of at least one surface coil of a combined magnetic resonance/PET apparatus. In an embodiment, the method includes acquiring magnetic resonance image data by way of the at least one surface coil during a magnetic resonance/PET examination of a patient; reconstructing the position of the at least one surface coil on the basis of the acquired magnetic resonance image data; and determining the position-dependent attenuation map of the at least one surface coil on the basis of the reconstructed position of the at least one surface coil. A magnetic resonance/PET apparatus and a computer program product, embodied to perform the method, are also disclosed. | 03-26-2015 |
20150087959 | Correction of Capacitively Acquired EKG Signals in Conjunction with Measurements - An interference value that occurs during a measurement using a medical imaging examination device is determined. At least one EKG signal is measured using a capacitive EKG sensor during a measurement using the medical imaging examination device. The measured EKG signal is corrected using the determined interference value. The corrected EKG signal is displayed or stored. | 03-26-2015 |
20150087960 | POSITRON EMISSION TOMOGRAPHY GUIDED PROTON THERAPY - Systems and methods of treating a patient, including a proton treatment system having a proton delivery unit to direct protons to a target area of a patient, the proton treatment system including a positron emission tomography (PET) system having a detector unit to scan for radiotracers introduced into a patient's body, a processing unit to generate location information corresponding to a target area of the patient based on a scanned radiotracer, a guidance unit to receive the location information from the PET system and to instruct the proton delivery unit to direct protons to the target area according to the location information. | 03-26-2015 |
20150087961 | IMAGE-GUIDED THERAPY OF A TISSUE - Image-guided therapy of a tissue can utilize magnetic resonance imaging (MRI) or another medical imaging device to guide an instrument within the tissue. A workstation can actuate movement of the instrument, and can actuate energy emission and/or cooling of the instrument to effect treatment to the tissue. The workstation and/or an operator of the workstation can be located outside a vicinity of an MRI device or other medical imaging device, and drive means for positioning the instrument can be located within the vicinity of the MRI device or the other medical imaging device. The instrument can be an MRI compatible laser probe that provides thermal therapy to, e.g., a tissue in a brain of a patient. | 03-26-2015 |
20150087962 | IMAGE-GUIDED THERAPY OF A TISSUE - Image-guided therapy of a tissue can utilize magnetic resonance imaging (MRI) or another medical imaging device to guide an instrument within the tissue. A workstation can actuate movement of the instrument, and can actuate energy emission and/or cooling of the instrument to effect treatment to the tissue. The workstation and/or an operator of the workstation can be located outside a vicinity of an MRI device or other medical imaging device, and drive means for positioning the instrument can be located within the vicinity of the MRI device or the other medical imaging device. The instrument can be an MRI compatible laser probe that provides thermal therapy to, e.g., a tissue in a brain of a patient. | 03-26-2015 |
20150087963 | MONITORING AND NOISE MASKING OF THERMAL THERAPY - Image-guided therapy of a tissue can utilize magnetic resonance imaging (MRI) or another medical imaging device to guide an instrument within the tissue. A workstation can actuate movement of the instrument, and can actuate energy emission and/or cooling of the instrument to effect treatment to the tissue. The instrument can be an MRI compatible laser probe that provides thermal therapy to, e.g., a tissue in a brain of a patient. By tracking a probe position within tissue through feedback, multiple data slices provided around the probe position can be processed to monitor treatment and view thermal data. The operator selects treatment area reference points with the assistance of noise masking. | 03-26-2015 |
20150094561 | REDUCTION OF MRI INTERFERENCE FROM THE ELECTROCARDIOGRAM USING LEAD INFORMATION - A circuit ( | 04-02-2015 |
20150099963 | METHOD AND SYSTEM FOR COMBINED TRANSCRANIAL MAGNETIC SIMULATION (TMS) AND FUNCTIONAL MAGNETIC RESONANCE IMAGING (fMRI) STUDIES - A method for transcranial magnetic stimulation (TMS) of a stimulation area of medical interest, combined with functional magnetic resonance imaging (fMRI) for visualization of the response of, for example neurons, is disclosed. An ultra-thin magnetic resonance coil, MR coil, positioned in the immediate vicinity over an area where the response of, for example neurons, is to be detected, and preferably sandwiched between the TMS coil and the area, provides an excellent signal-to-noise ratio. The TMS can be performed directly through the MR coil. A great deal of flexibility in the number of the TMS and MR coils in use and their spatial arrangement is provided. A corresponding system for the TMS/fMRI studies is also provided. | 04-09-2015 |
20150105651 | SYSTEMS AND METHODS FOR MRI-BASED HEALTH MANAGEMENT - A method for improving health may include the steps of receiving patient input from a first patient regarding at least one parameter, scanning the first patient for a biomarker using an internal imaging machine, receiving a health plan for the first patient, accessing a database and searching the database for other patients having patient input similar to the first patient, predicting changes in the biomarker based on a patient having input similar to the first patient, and presenting the first patient with the predicted results. Follow-up monitoring may include the steps of receiving internal imaging data as a baseline for a patient undergoing a health plan to improve one or more biomarkers, measuring the patient for one or more biomarkers, estimating the patient's progress by comparing the measurement taken with the baseline internal imaging data, and presenting the patient with the estimated progress. | 04-16-2015 |
20150112185 | DISPLACEMENT MEASUREMENT METHOD AND APPARATUS, AND ULTRASONIC DIAGNOSTIC APPARATUS - An accurate real-time measurement of a displacement vector is achieved on the basis of the proper beamforming that require a short time for obtaining one echo data frame without suffering affections by a tissue motion. The displacement measurement method includes the steps of: (a) yielding ultrasound echo data frames by scanning an object laterally or elevationally using an ultrasound beam steered electrically and/or mechanically with a single steering angle over an arbitrary three-dimensional orthogonal coordinate system involving existence of three axes of a depth direction, a lateral direction, and an elevational direction; and (b) calculating a displacement vector distribution by implementing a block matching on the predetermined ultrasound echo data frames yielded at more than two phases. | 04-23-2015 |
20150119690 | ELECTROPHYSIOLOGY LABORATORY SYSTEM FOR USE WITH MAGNETIC RESONANCE IMAGING SYSTEMS - An electrophysiological laboratory system comprises a subsystem configured to perform diagnostic and/or therapeutic functions, a medical device, and an interface module disposed therebetween. The medical device comprises a shaft having proximal and distal portions, high- and low-impedance electrical pathways disposed within the shaft, and an electrode disposed at the distal portion of the shaft and electrically coupled to one or both of the high- and low-impedance electrical pathways. The electrode is configured to perform diagnostic and/or therapy delivery functions. The interface module comprises a high-impedance channel configured to couple the high-impedance pathway of the medical device to the subsystem, and to attenuate magnetic resonance RF and gradient field pulses generated by the MRI system. The interface module further comprises a low-impedance channel configured to couple the low- impedance pathway of the medical device to the subsystem. | 04-30-2015 |
20150119691 | AUTOMATED NON-MAGNETIC MEDICAL MONITOR USING SHAPE MEMORY ACTUATORS - When employing a valve in a medical device in or near a bore of a magnetic resonance (MR) scanner, MR-compatible materials are employed to minimize the susceptibility of the valve to the strong magnetic fields generated by the MR scanner. An MR-compatible actuator comprises a shame memory alloy (SMA) wire or member ( | 04-30-2015 |
20150119692 | NON-INVASIVE EVALUATION OF FIT AND SIZING OF DEVICE PRIOR TO IMPLANT - Maximum and minimum dimensional characteristics of a conduit are determined by imaging a portion of the conduit into which an expandable medical device is to be implanted at appropriate points in the cardiac cycle (or other suitable cycle, such as the respiratory cycle, or at other suitable times). The dimensional characteristics of the conduits within the portion of interest may be evaluated and compared to the maximum and minimum dimensional characteristics of the medical device to be implanted in the conduit to determine whether the medical device is of an appropriate size for properly fitting in the conduit. | 04-30-2015 |
20150119693 | IMAGE GUIDED RADIATION THERAPY APPARATUS - A radiation therapy apparatus includes a radiation source and a ring shaped gantry. The gantry includes a static ring component and a dynamic ring component upon which the radiation source is mounted, the dynamic ring component is rotatable about its center and is provided in multiple arcuate parts that can be assembled together to form the dynamic ring component. | 04-30-2015 |
20150119694 | Simultaneous attenuation and activity reconstruction for Positron Emission Tomography - A method of PET image reconstruction is provided that includes obtaining intra-patient tissue activity distribution and photon attenuation map data using a PET/MRI scanner, and implementing a Maximum Likelihood Expectation Maximization (MLEM) method in conjunction with a specific set of latent random variables, using an appropriately programmed computer and graphics processing unit, wherein the set of latent random variables comprises the numbers of photon pairs emitted from an electron-positron annihilation inside a voxel that arrive into two given voxels along a Line of Response (LOR), where the set of latent random variables results in a separable joint emission activity and a photon attenuation distribution likelihood function. | 04-30-2015 |
20150119695 | METHOD AND DEVICE FOR MRI-GUIDED BREAST INTERVENTIONS - A method and apparatus for radially compressing bodily tissue and performing medical procedures from a selected one of a plurality of circumferential positions and angles, a selected one of a plurality of different elevations and elevational angles. Some embodiments include a tissue-compression fixture having members that are configured to be moved to radially compress bodily tissue such that each of a plurality of areas of biological tissue are exposed between the plurality of members, and wherein the fixture is compatible with use in an MRI machine in operation; an actuator having a receiver for a medical-procedure probe; and a computer system operatively coupled to the actuator to move the probe. The computer receives user commands, and based on the commands, moves the actuator to a selected one of a plurality of different positions around the tissue-compression fixture and then extends the probe into the patient. | 04-30-2015 |
20150133767 | Biopsy Needle System for MR-Guided Biopsy - The invention discloses a biopsy needle system ( | 05-14-2015 |
20150141801 | SURGICAL PROCEDURES USING INSTRUMENT TO BOUNDARY SPACING INFORMATION EXTRACTED FROM REAL-TIME DIAGNOSTIC SCAN DATA - Specific embodiments of the invention are directed to improved surgical procedures involving the use of processed non-visual three-dimensional data (i.e. diagnostic scan data) to provide a surgeon with additional guidance (i.e. more than that generally obtained from visual observation of the working area) concerning the distance separating a working end of a surgical instrument and the posterior portion of a target tissue. Separation information may be used to aid the surgeon in minimizing the risk of unintended penetration of adjacent tissue with the working end of the instrument. Some embodiments provide for the visual and/or auditory conveyance of distance information to the surgeon. Additional embodiments provide for overlaying visual representations of selected three-dimensional structure information (e.g. depths of troughs cut into the lens) with the real surface feature images viewed by the surgeon. | 05-21-2015 |
20150148659 | MAGNETIC RESONANCE IMAGING ALONG ENERGY-DELIVERING DEVICE AXIS - The present invention relates to a method of controlling a medical apparatus ( | 05-28-2015 |
20150289832 | Multi-Bed Elastic Motion Correction - A set of first modality data (e.g., MR or CT) is provided. The set of first modality data comprises a plurality of mu-maps, a plurality of motion vectors and a plurality of gated data. Each of the mu-maps corresponds to one of the beds. A set of second modality data (e.g., PET/SPECT) is provided. The set of second modality data comprises a plurality of frames for each of the beds. Each of the plurality of frames is warped by one or more motion vectors of the plurality of motion vectors. A single-bed image is generated for each bed by summing the frames corresponding to the bed. A whole body image is generated by summing the single-bed images for each of the beds. | 10-15-2015 |
20150289848 | METHOD AND APPARATUS FOR REGISTRATION OF MEDICAL IMAGES - A medical image registration method and apparatus are described. By performance of a medical image registration method, a highly accurate registered image, in which breathing deformation information is considered, may be obtained by generation of non-real-time medical images in which the breathing deformation information is reflected before a medical procedure is conducted and by rigid registration of a real-time medical image and the generated non-real-time medical images during the medical procedure. | 10-15-2015 |
20150297083 | ELASTOGRAPHY DEVICE AND METHOD FOR OPERATING IT - The invention relates, inter alia, to a method for operating an elastography device ( | 10-22-2015 |
20150297311 | SURGICAL VISUALIZATION SYSTEMS - A medical apparatus is described for providing visualization of a surgical site. The medical apparatus includes an electronic display disposed within a display housing, the electronic display configured to produce a two-dimensional image. The medical apparatus includes a display optical system disposed within the display housing, the display optical system comprising a plurality of lens elements disposed along an optical path. The display optical system is configured to receive the two-dimensional image from the electronic display, produce a beam with a cross-section that remains substantially constant along the optical path, and produce a collimated beam exiting the opening in the display housing. The medical apparatus can also include an auxiliary video camera configured to provide an oblique view of a patient on the electronic display without requiring a surgeon to adjust their viewing angle through oculars viewing the electronic display. | 10-22-2015 |
20150297758 | MAGNETITE IN NANOPARTICULATE FORM - The present invention relates to a process for the polyol-type synthesis of nanoparticulate magnetite starting from mixtures of Fe | 10-22-2015 |
20150305646 | CHECKING FOR PERFORATION OF THE EPICARDIUM USING MAGNETIC RESONANCE IMAGING - Cardiac ablation is monitored to detect hemopericardium by iteratively acquiring magnetic resonance imaging (MRI) data that includes the pericardium, measuring the pericardium by analyzing the sets of MRI data, making a determination that a measurement of the pericardium in consecutive sets of MRI data differ, and responsively to the determination reporting a change in configuration of the pericardium. | 10-29-2015 |
20150305771 | GUIDE BLOCK FOR BIOPSY OR SURGICAL DEVICES - A method includes providing a guide block with a body having a proximal face, a distal face, a length between the proximal and distal faces, a central longitudinal axis extending between the proximal and distal faces, and at least one passageway disposed within the body that extends between the proximal and distal faces, which is configured to receive a tissue accessing device and which is not parallel to the central longitudinal axis; selecting a grid opening of the grid-like breast receiving pressure plate and selecting a rotational orientation of the guide block relative to the selected grid opening to provide access to a desired location in the patient's breast; and inserting the guide block into the selected grid opening of the grid-like breast receiving pressure plate of the magnetic resonance imaging device at the selected rotational orientation, and advancing the guide block in the selected grid opening. | 10-29-2015 |
20150305821 | IMAGE-GUIDED THERAPEUTIC APPARATUS AND METHOD OF PREPARATION OF AN IMAGE-GUIDED THERAPEUTIC APPRATUS FOR TREATMENT OF TISSUE - An image-guided therapeutic apparatus ( | 10-29-2015 |
20150305825 | IMAGE GUIDED ATLAS CORRECTION - An external stylus provides an impulse to correct mal-alignments of the Atlas (C1). The placement and direction of the impulse is guided by the analysis of a plurality precisely placed or acquired tomographic images, preferably MRI images. | 10-29-2015 |
20150313471 | OPTICAL APPARATUS FOR USE WITH A MEDICAL IMAGER - An optical apparatus comprising a disposable non-magnetic optical fibre probe for coupling light into a sample and receiving light from the sample for performing Raman spectroscopy, and a non-magnetic optical extension releasably connected to the disposable non-magnetic optical probe for transmitting light into the disposable non-magnetic optical probe and receiving light from the disposable non-magnetic optical probe. | 11-05-2015 |
20150313540 | Improved Methods of Assessing Metabolic Function - The present invention relates to improved methods for determining metabolic function in tissues of an animal. In particular, the invention relates to methods for determining the penumbra in ischaemic tissues using MRI techniques in association with hyperoxic conditions and an oxygen carrier. The invention also relates to systems adapted to perform the methods. | 11-05-2015 |
20150314116 | Bio-Medical Unit and Applications for Cancer Treatment - An in vivo cancer treatment system includes a plurality of bio-medical units, a communication control device, and a wireless power source device. A bio-medical unit of the plurality of bio-medical units includes a power harvesting module operable to convert a wireless power source into a supply voltage; a communication module operable to communication data, wherein the communication unit is powered by the supply voltage; and a field generation module operable to generate a type of electromagnetic field, wherein the field generation module is powered by the supply voltage. The communication control device communicates with the plurality of bio-medical units to facilitate treatment of cancer cells within the body. The wireless power source device generates the wireless power source. | 11-05-2015 |
20150314132 | IMPLANTABLE CARDIOVERTER DEFIBRILLATOR DESIGNED FOR USE IN A MAGNETIC RESONANCE IMAGING ENVIRONMENT - An implantable cardioverter defibrillator (ICD) includes a communication interface operable to receive a communication signal from an external programmer. With the ICD not being in the presence of an MRI field generated by an MRI scanner, a communication signal is sent precharging a high energy storage capacitor before the patient undergoes the MRI scan. The signal also switches the ICD into an MRI mode which turns off the ICD's sensing functions detecting a dangerous ventricular arrhythmia. An operator monitors the patient's vital signs with sensors connected to the patient. If the patient does require the defibrillation shock, the operator sends a second communication signal delivering the defibrillation shock from the precharged high energy storage capacitor of the ICD. The patient can then be removed from the MRI scanner and the RF and gradient fields of the MRI scanner turned off. | 11-05-2015 |
20150314138 | TUMOR TRACKING DURING RADIATION TREATMENT USING ULTRASOUND IMAGING - Systems and methods for tracking a target volume, e.g., tumor, in real-time during radiation treatment are provided. Under one aspect, a system includes an ultrasound probe, an x-ray imager, a processor, and a computer-readable medium that stores a 3D image of the tumor in a first reference frame and instructions for causing the processor to: instruct the x-ray imager and ultrasound probe to substantially simultaneously obtain inherently registered x-ray and set-up ultrasound images of the tumor in a second reference frame; establish a transformation between the first and second reference frames by registering the 3D image and the x-ray image; instruct the ultrasound probe to obtain an intrafraction ultrasound image of the tumor; registering the intrafraction ultrasound image with the set-up ultrasound image; and track target volume motion based on the registered intrafraction ultrasound image. | 11-05-2015 |
20150320331 | ESTIMATING DISTRIBUTION, FLUCTUATION AND/OR MOVEMENT OF ELECTRICAL ACTIVITY THROUGH A HEART TISSUE - A computer implemented method for processing measurement data from electrocardiogram, ECG, electrodes on a subject. The method includes obtaining a 3D anatomical model of the torso of the subject, and obtaining a 3D image of the torso of the subject. The three dimensional image is aligned with the three-dimensional model. A position of each electrode in the three-dimensional model is determined from the three dimensional image. The positions of the electrodes in the three dimensional model are used for estimating the distribution, fluctuation and/or movement of electrical activity through heart tissue. | 11-12-2015 |
20150320341 | APPARATUSES FOR EXTERNALLY CONTROLLING ARTICULATION OF A JOINT MOTION - An apparatus and process for measuring the motion of internal joint structures during and for measuring the function of muscles involved with the motion of a joint of a subject are disclosed. The apparatus can be configured in three forms: a horizontal, vertical, or butterfly motion control device. Each configuration comprises a static member and a moving member, in which the moving member operates to move or be moved by the subject being studied. Also disclosed are processes for using each apparatus to measure of the relative motion of skeletal structures in a subject, in which the subject is positioned in the apparatus and commanded to move while diagnostic medical images are taken or captured. Additionally, processes for using each apparatus to specifically measure and collect data on the function of the subject's muscles are disclosed. | 11-12-2015 |
20150320342 | MAGNETIC RESONANCE DEVICE HAVING A MOTION DETECTION UNIT AND A METHOD FOR DETECTING A MOVEMENT OF A PATIENT DURING A MAGNETIC RESONANCE EXAMINATION - A magnetic resonance device includes a radiofrequency unit that includes a radiofrequency antenna, at least one radiofrequency line and at least one radiofrequency injection point. Radiofrequency signals are transferred to the radiofrequency antenna by the at least one radiofrequency line and are coupled into the radiofrequency antenna at the at least one radiofrequency injection point. The magnetic resonance device also includes a patient receiving zone that is at least partially enclosed by the radiofrequency antenna, and a motion detection unit for detecting a movement of a patient that may be positioned within the patient receiving zone. At least one radiofrequency line includes at least one injection element by which at least one motion detection signal of the motion detection unit is coupled into the radiofrequency line. | 11-12-2015 |
20150327795 | Assessing the Condition of a Joint and Preventing Damage - Methods are disclosed for assessing the condition of a cartilage in a joint, particularly a human knee. The methods include converting an image such as an MRI to a three dimensional map of the cartilage. The cartilage map can be correlated to a movement pattern of the joint to assess the affect of movement on cartilage wear. Changes in the thickness of cartilage over time can be determined so that therapies can be provided. Information on thickness of cartilage and curvature of cartilage or subchondral bone can be used to plan therapy. Information on movement pattern can be used to plan therapy. | 11-19-2015 |
20150327805 | BODY STRUCTURE IMAGING - A method of imaging nervous tissue, comprising acquiring functional imaging modality data from a functional imaging modality which images an intrabody volume of a patient having a body part, the patient having been injected with an imaging agent having a nervous tissue uptake by an autonomic nervous system (ANS); and locating the nervous tissue in the intrabody volume based on the functional imaging modality data. | 11-19-2015 |
20150331073 | MAGNETIC RESONANCE TOMOGRAPHY APPARATUS AND METHOD FOR ASSISTING A PERSON WHEN POSITIONING A MEDICAL INSTRUMENT FOR A PERCUTANEOUS INTERVENTION - A medical instrument for carrying out a percutaneous intervention in a patient is provided with a marker that is visible in an MR image. A real-time magnetic resonance image of the patient is created, so that the actual position of the marker can be identified in the real-time image. For assisting a person in the positioning of the medical instrument in an initial position suitable for the intervention, a desired position of the marker that correlates with the initial position is displayed in the real-time image. The positioning thus can be carried out relatively effortlessly and quickly. | 11-19-2015 |
20150335268 | Measuring Breathing of a Patient During a Magnetic Resonance Examination - A method is provided for measuring the breathing of a patient during a magnetic resonance examination with a magnetic resonance device, wherein the reflection properties of at least one coil element arranged beneath the patient are measured and evaluated to determine the breathing data that describes the respiratory situation at various times. | 11-26-2015 |
20150336997 | MANGANESE-BASED MAGNETIC RESONANCE CONTRAST AGENTS - Manganese coordination complexes with utility as magnetic resonance probes and as biological reductant sensors are disclosed. In one embodiment, ligands can stabilize both the Mn | 11-26-2015 |
20150342460 | IMAGING AND VISUALIZATION SYSTEMS, INSTRUMENTS, AND METHODS USING OPTICAL COHERENCE TOMOGRAPHY - Imaging and visualization systems, instruments, and methods using optical coherence tomography (OCT) are disclosed. A method for OCT image capture includes determining a location of a feature of interest within an operative field. The method also includes determining a relative positioning between the feature of interest and an OCT scan location. Further, the method includes controlling capture of an OCT image at a set position relative to the feature of interest based on the relative positioning. | 12-03-2015 |
20150343237 | METHOD AND POSITION DETERMINATION SYSTEM FOR DETERMINING A POSITION OF A TARGET REGION OF A PATIENT TO BE IRRADIATED IN AN IRRADIATION DEVICE - In a method for determining a position of a target region of a patient to be irradiated in an irradiation device, a patient is positioned on a patient positioning device having markers that are visible in magnetic resonance images. A magnetic resonance image data record is acquired showing a target area of the patient containing the target region, together with the markers. The magnetic resonance image data record is evaluated to determine location information describing the three-dimensional position of the target region relative to the markers. The patient positioning device with the unmoved patient is transported to the irradiation device. Target information describing the position of the target region in the irradiation device is determined from marker information indicating the position of the markers in the irradiation device, and the location information. | 12-03-2015 |
20150346304 | CARDIAC LATE GADOLINIUM ENHANCEMENT MRI FOR PATIENTS WITH IMPLANTED CARDIAC DEVICES - Disclosed herein are methods and systems for clinical practice of medical imaging on patients with metal-containing devices, such as implanted cardiac devices. In particular, Disclosed herein are methods and systems for improved late gadolinium enhancement (LGE) MRI for assessing myocardial viability for patients with implanted cardiac devices, i.e., cardiac pacemakers and implantable cardiac defibrillators. | 12-03-2015 |
20150351710 | MRI-PET CEPHALIC MOLECULAR IMAGING COIL AND MRI-PET CEPHALIC MOLECULAR IMAGING SYSTEM - This invention discloses an MRI-PET cephalic molecular imaging coil and an MRI cephalic molecular imaging system including this MRI-PET cephalic molecular imaging coil; the said MRI-PET cephalic molecular imaging coil is an integrated and nested structure, with a molecular signal acquisition assembly installed on the peripheral surface of the MRI cephalic RF coil, the said molecular signal acquisition assembly including a crystal gamma-ray detector and photoelectric conversion structure; the said photoelectric conversion structure is semi-conductors, having an effect in preventing the impact of magnetic field on gamma-ray imaging, hence making it possible to obtain precision fusion images of magnetic resonance and molecular imagery and ensuring consistency of physiological and biochemical information in spatial location and temporal synchronization. | 12-10-2015 |
20150359418 | ENDOSCOPE, PARTICULARLY FOR MINIMALLY INVASIVE SURGERY - Three-dimensional detection of an interior space of a body is performed by an endoscope in which a projection device projects a color pattern onto a region of the interior space and a detecting device detects an image of the color pattern projected onto the region. The projection and detection devices are positioned at least in part in a distal end region of an elongate endoscope extent. The distal end region can be angled up to 180° in relation to the original elongate endoscope extent. Active triangulation can be used in evaluating 3D images of the region to simply and effectively enlarge the 3D images. Such endoscopes can be used particularly advantageously in minimally invasive surgery or in industrial endoscopy. | 12-17-2015 |
20150360020 | IMAGING SYSTEM OF MICROBUBBLE THERAPY AND IMAGE EVALUATION METHOD USING THE SAME - An imaging system of microbubble therapy cooperated with an ultrasound device for monitoring a cavitation on microbubbles in a vessel of an affected part is disclosed in the present invention, in which the cavitation is occurred by applying an ultrasound to disrupt the microbubbles. The system comprises an image acquiring module and a controlling module. The image acquiring module comprises at least one magnetic resonance device for acquiring a plurality of magnetic resonance images of the cavitation, and the controlling module provided for controlling an acquiring time of the magnetic resonance device and an irradiation time of the ultrasonic device through a controlling mode. An image evaluation method using the same is also disclosed herein and comprises steps as the following. First, injecting the microbubbles into the vessel of the affected part is performed. And then, a plurality of magnetic resonance images by a magnetic resonance device and in an acquiring time is acquired. The microbubbles are irradiated for an irradiation time by an ultrasound. Finally, changes of the magnetic resonance images will be monitored, in which an irradiation path of the ultrasound may be perpendicular to a direction of flow in the vessel and the irradiation time is within the acquiring time. | 12-17-2015 |
20150366482 | SYSTEM AND METHOD FOR MODELING BRAIN DYNAMICS IN NORMAL AND DISEASED STATES - A system and method is provided for modeling brain dynamics in normal and diseased states. | 12-24-2015 |
20150374287 | HYPERTHERMIA FOR DIAGNOSTIC IMAGING - The present invention provides a diagnostic imaging system ( | 12-31-2015 |
20150374318 | METHOD, APPARATUS, AND ARTICLE FOR PET ATTENUATION CORRECTION UTILIZING MRI - A method for attenuation correcting a PET image of a target includes locating a radiopaque structure by MRI scan of the target; fitting a model of the radiopaque structure to the MRI scan image; and correcting attenuation of the PET image based on the fitted model. | 12-31-2015 |
20150375016 | HIGH-INTENSITY FOCUSED ULTRASOUND IRRADIATION - The present invention provides n ultrasonic treatment device ( | 12-31-2015 |
20160004837 | COMPUTATIONAL FLOW DYNAMICS BASED METHOD FOR STIMATING THROMBOEMBOLIC RISK IN PATIENTS WITH MYOCARDIAL INFARCTION - The present invention provides a method for determining thromboembolic risk in a patient. The method includes processing functional images of a patient's heart in order to create a computational fluid dynamic (CFD) modeling of the patient's heart. Once a CFD model is obtained, various metrics can be determined to estimate the patient's risk of left ventricular thrombosis. This method is particularly suited for determining thromboembolic risk in patients having suffered a myocardial infarction. However, the method can also be applied to a broader population at risk of cardioembolic and cryptogenic stroke. | 01-07-2016 |
20160007973 | SENSOR COORDINATE CALIBRATION IN AN ULTRASOUND SYSTEM | 01-14-2016 |
20160008467 | METHOD FOR THE PRODUCTION OF SUB-MICROMETRIC PARTICLES AND THEIR THERANOSTIC USE IN ONCOLOGY WITH A SPECIFIC APPARATUS | 01-14-2016 |
20160008634 | IMAGE-GUIDED FOCUSED ULTRASOUND ABLATION | 01-14-2016 |
20160008636 | ULTRASOUND IMAGING SHEATH AND ASSOCIATED METHOD FOR GUIDED PERCUTANEOUS TRANS-CATHETER THERAPY | 01-14-2016 |
20160011285 | Magnetic Resonance Imaging (MRI) Scan Plane Control Device | 01-14-2016 |
20160011288 | ACTIVE COMPENSATION FOR FIELD DISTORTING COMPONENTS IN A MAGNETIC RESONANCE IMAGING SYSTEM WITH A GANTRY | 01-14-2016 |
20160015331 | METHOD FOR ASCERTAINING AN ABSOLUTE SCAN REGION ON A PATIENT - In a method and imaging device for ascertaining an absolute scan region on a patient, who is positioned on an examination table, for a subsequent medical imaging examination by operation of the medical imaging device, the height of the patient is ascertained, a relative examination region is ascertained, and the absolute scan region of the patient for the subsequent medical imaging examination is determined in a processor using the patient height and the relative examination region. | 01-21-2016 |
20160022146 | Insert Imaging Device for Surgical Procedures - Insertable imaging devices, and methods of use thereof in minimally invasive medical procedures, are described. In some embodiments, insertable imaging devices are described that can be introduced and removed from an access port without disturbing or risking damage to internal tissue. In some embodiments, imaging devices are integrated into an access port, thereby allowing imaging of internal tissues within the vicinity of the access port, while, for example, enabling manipulation of surgical tools in the surgical field of interest. In other embodiments, imaging devices are integrated into an imaging sleeve that is insertable into an access port. Several example embodiments described herein provide imaging devices for performing imaging within an access port, where the imaging may be based one or more imaging modalities that may include, but are not limited to, magnetic resonance imaging, ultrasound, optical imaging such as hyperspectral imaging and optical coherence tomography, and electrical conductive measurements. | 01-28-2016 |
20160023002 | MAGNETIC FIELD DETECTORS, IMPLANTABLE MEDICAL DEVICES, AND RELATED METHODS THAT UTILIZE A SUSPENDED PROOF MASS AND MAGNETICALLY SENSITIVE MATERIAL - Magnetic field detectors include a proof mass suspended by deformable arms similar to a three dimensional accelerometer. The magnetic field detectors further include magnetically sensitive material present on the proof mass and/or deformable arms to cause movement of the proof mass and/or deformable arms when in the presence of a magnetic field. This movement is converted to an electrical signal and that electrical signal is compared to a reference to determine if a magnetic field of interest is present. The magnetic field detector may be included within an implantable medical device, and when the magnetic field detector indicates that a magnetic field of an MRI scanner is present, the implantable medical device may switch to an MRI mode of operation. The device may also switch back to a normal mode of operation once the MRI scanner is no longer detected such as after a predefined amount of time. | 01-28-2016 |
20160029969 | SYSTEMS AND METHODS FOR AVOIDING MRI-ORIGINATED INTERFERENCE WITH CONCURRENTLY USED SYSTEMS - MRI interference with a concurrently operated system may be reduced or corrected by subtracting the MRI interference from signals measured using the concurrently operated system. | 02-04-2016 |
20160029990 | METHOD AND APPARATUS FOR GATE SPECIFIC MR-BASED ATTENUATION CORRECTION OF TIMED-GATED PET STUDIES - A method for producing an attenuation-corrected time-gated PET image comprising includes obtaining a baseline MR image and a cine MR image of a structure; registering the baseline MR image to the cine MR image to create an image transform; and generating a corresponding cine ACF matrix using the image transform, and time-correlating the ACF matrix to a time-gated PET data set to produce an attenuation-corrected time-gated PET image. | 02-04-2016 |
20160030002 | MEDICAL IMAGING SYSTEM, SURGICAL GUIDANCE SYSTEM AND MEDICAL IMAGING METHOD - A medical imaging system according to embodiment includes an ultrasonic probe, positioning circuitry, first mapping relationship estimation circuitry, repositioning circuitry and a display. The first mapping relationship estimation circuitry estimates a first mapping relationship between a position of the ultrasonic probe when a subject is in a first position state and a position of the ultrasonic probe when the subject is in a second position state. The repositioning circuitry determines a target position of a volume image corresponding to the position of the ultrasonic probe in the second position state according to the first mapping relationship and a second mapping relationship between the position of the ultrasonic probe in the first position state and the target position of the volume image of the subject. The display displays the image of the target position obtained from the volume image according to the target position of the volume image. | 02-04-2016 |
20160033601 | SYSTEMS AND METHODS FOR AVOIDING MRI-ORIGINATED INTERFERENCE WITH CONCURRENTLY USED SYSTEMS - MRI interference with a concurrently operated system may be reduced or corrected by subtracting the MRI interference from signals measured using the concurrently operated system. | 02-04-2016 |
20160038081 | REAL TIME ENERGY DEPOSITING THERAPY SYSTEM CONTROLLED BY MAGNETIC RESONANCE RHEOLOGY - An energy depositing therapy system ( | 02-11-2016 |
20160038091 | REMOVING ELETROPHYSICOLOGIC ARTIFACTS FROM A MAGNETIC RESONANCE IMAGING SYSTEM - Systems and a method for reducing periodic artifacts in an electrophysiologic signal are provided. The method includes receiving a time-series electrophysiologic signal acquired from a subject and providing a regression model that defines an interference signal caused by periodic artifacts using a harmonic representation. The method also includes applying the regression model using the time-series electrophysiologic signal to define a cost function and performing an iterative optimization process to estimate regression parameters that minimize the cost function. The method further includes determining, using the regression parameters, the interference signal, and generating a corrected time-series electrophysiologic signal by reducing the interference signal. | 02-11-2016 |
20160038230 | DEVICES AND METHODS FOR TRACKING AN ENERGY DELIVERY DEVICE - Methods for treating a network of organs including generating a map of at least a portion of the network of organs using a rendering system; selecting at least one treatment location within the luminal passageway of the network of organs; and applying an energy therapy to the treatment location to treat the smooth muscle tissue, where the energy therapy applied to the respective treatment location is defined by a plurality of parameters that are associated with a map. Such a system allows for historical or ideal treatment parameters to be identified, visually or otherwise to actual treatment locations. Also, control systems and methods for delivery of energy that may include control algorithms that prevent energy delivery if a fault is detected and may provide energy delivery to produce a substantially constant temperature at a delivery site. In some embodiments, the control systems and methods may be used to control the delivery of energy, such as radiofrequency energy, to body tissue, such as lung tissue. | 02-11-2016 |
20160041245 | MAGNETIC RESONANCE IMAGING OF POLY-L-GLUTAMATE - A non-invasive imaging approach using CEST and MRS may be used to monitor the cleavage of the poly-L-glutamate (PLG) backbone. The cleavage of PLG by cathespsin B can expose exchangeable —NH2 protons in the PLG that are then monitored non-invasively through CEST. The technique can provide direct information on malignant tissue and tumor aggressiveness, and can also be used to monitor treatment. | 02-11-2016 |
20160045112 | REDUCING INTERFERENCE IN A COMBINED SYSTEM COMPRISING AN MRI SYSTEM AND A NON-MR IMAGING SYSTEM - The present invention relates to a method and a system for reducing interference between a non-MR imaging system (e.g. a PET imaging scanner) and an MR imaging system. The method comprises receiving at least a signal indicative of the MR RF signal detection period, and in response to the received signal, setting the state of at least a portion of the non-MR imaging system to an inactive state during at least a portion of the MR RF signal detection period. | 02-18-2016 |
20160045152 | SYSTEM AND METHOD FOR AUTOMATED MONITORING OF FETAL HEAD DESCENT DURING LABOR - A method for automatically monitoring fetal head descent in a birth canal is presented. The method includes segmenting each image in one or more images into a plurality of neighborhood components, determining a cost function corresponding to each neighborhood component in the plurality of neighborhood components in each of the one or more images, identifying at least two structures of interest in each image in the one or more images based on the cost function, wherein the at least two structures of interest include a pubic ramus and a fetal head, measuring an angle of progression based on the at least two structures of interest, and determining the fetal head descent in the birth canal based on the angle of progression. | 02-18-2016 |
20160051187 | MAGNETIC RESONANCE IMAGING - An open MRI methodology and system that allows dynamic viewing and access to a patient. In intraoperative MRI, the MRI apparatus is configured in the shape of a typical operating room, with full 360° access to the patient. The MRI apparatus encompasses the entire operating room with magnets located on or near the ceiling and floor of the operating room. The remainder of the MRI apparatus, including the control computer, and imaging monitor, may be located outside of the MRI operating room, in order to keep the operating room free of unnecessary equipment, or located inside of the MRI operating room, as desired for operability of the MRI. The patient is placed over the magnet in the floor, the only fixed location in the operating room. The operating room may contain typical operating equipment, as needed, such as cardiopulmonary bypass units, surgical navigation systems, endoscopy systems, and anesthesia carts. | 02-25-2016 |
20160051845 | THERAPY SYSTEM FOR DEPOSITING ENERGY - The invention relates to a system in the field of MR guided thermal treatment and more specifically to the temperature control. In the invention an MR and a thermal treatment system are combined. The thermal treatment system is configured to apply thermal treatment pulses to a subject. The prevent overheating of healthy tissue, the thermal treatment pulses are spaced by a cool-down period. The end of the cool-down period is determined by temperature measurements performed during the cool-down period. | 02-25-2016 |
20160054409 | FMRI-BASED NEUROLOGIC SIGNATURE OF PHYSICAL PAIN - Described herein is a novel fMRI-based neurologic signature that predicts pain. Further described are methods for detecting pain, for diagnosing pain-related neuropathic conditions and for predicting or evaluating efficacy of an analgesic based on the neurologic signature. | 02-25-2016 |
20160054416 | DETECTION OF BONE TISSUE USING MAGNETIC RESONANCE IMAGING - The invention provides for a medical apparatus ( | 02-25-2016 |
20160054455 | DETECTOR, NUCLEAR MEDICAL IMAGING APPARATUS, PET-CT APPARATUS, AND PET-MRI APPARATUS - A detector of an embodiment includes a plurality of photomultipliers, a signal line, and identifying circuitry. The photomultipliers each convert light converted from radiation into an electric signal and output the electric signal. The signal line has a first path and a second path through which the electric signal passes and that have different lengths for each of the photomultipliers. The identifying circuitry identifies the photomultiplier that outputs the electric signal by a time difference between the electric signal passing through the first path and the electric signal passing through the second path. | 02-25-2016 |
20160058368 | SYSTEM AND METHOD FOR IMAGING BIOMARKERS INDICATIVE OF CARIDAC THERMAL ABLATION LESIONS - Described here are systems and methods for visualizing thermal ablation lesions by imaging specific chemical compounds that are created during thermal ablation procedures, such as cardiac ablation procedures. When a cardiac ablation procedure is performed, a central area of coagulative necrosis is created at the treatment site. This necrotic region is surrounded by layers of tissues with ultra-structural and electrophysiological changes. Two particular changes include the denaturation of proteins and the formation of ferric iron containing chemical compounds, such as methemoglobin and metmyoglobin. The formation of and distribution of such chemical compounds can be imaged with the appropriate systems and methods. Accordingly, these chemical compounds can be utilized as biomarkers that indicate the presence and physical characteristics of thermal ablation lesions. Imaging can be performed using magnetic resonance imaging, optical imaging, or photoacoustic imaging, as examples. | 03-03-2016 |
20160058401 | MR-PET Hybrid Scout Scan/Topogram Workflow - A magnetic resonance and positron emission tomography (MR-PET) hybrid scanner workflow for providing a scout scan (topogram) of a patient includes (a) positioning the patient in the MR-PET hybrid scanner; (b) referencing the patient to the scanner's field of view; (c) specifying the patient parameters for MR and PET hybrid topogram scan; (d) performing hybrid MR-PET topogram scan and acquiring MR topogram scan data and PET topogram scan data simultaneously; and (e) reconstructing the MR and PET topogram scan images in real-time; and (f) presenting the topogram san images as a fused topogram data set. | 03-03-2016 |
20160058424 | IMAGE REGISTRATION FOR CT OR MR IMAGERY AND ULTRASOUND IMAGERY USING MOBILE DEVICE - A method for fusion of live ultrasound imagery with computed tomography (CT) scan images or magnetic resonance images, the method comprising steps of acquiring a series of CT scan images or magnetic resonance images, acquiring a series of ultrasound images, applying a manual registration process on a computing device to register each of the CT scan images or magnetic resonance images with corresponding ultrasound images, and displaying on a display associated with the computing device the live ultrasound imagery and corresponding CT scan images or magnetic resonance images. | 03-03-2016 |
20160058975 | MRI COMPATIBLE CONTROL HANDLE FOR STEERABLE SHEATH WITH AUDIBLE, TACTILE AND/OR VISUAL MEANS - An MR compatible steerable sheath is provided. The MR compatible steerable sheath includes a steerable shaft that receives first and second longitudinal movement wires at a distal end thereof and audible or tactile means for indicating to a user the degree of deflection of the distal tip of the steerable shaft. A control handle is coupled to a proximal end of the first and second longitudinal movement wires and causes longitudinal movement of the wires. | 03-03-2016 |
20160059041 | METHOD AND APPARATUS FOR MONITORING A RADIATION THERAPY OF A PATIENT - In a method and magnetic resonance (MR) apparatus for monitoring a radiation therapy of a patient, first MR image data are acquired with a quantitative magnetic resonance method before an irradiation of a target area of the patient, and second MR image data are acquired with the quantitative magnetic resonance method after the irradiation of the target area of the patient. The first MR image data and the second MR image data are compared, and output information is generated on the basis of a result of the comparison. | 03-03-2016 |
20160066874 | ATTENUATION CORRECTION OF POSITRON EMISSION TOMOGRAPHY DATA USING MAGNETIC RESONANCE IMAGES DEPICTING BONE DENSITY VARIATIONS - Systems and methods for performing attenuation correction on positron emission tomography (“PET”) data using images acquired with a magnetic resonance imaging (“MRI”) system are provided. Preferably, the magnetic resonance images are acquired using a pulse sequence that produces magnetic resonance signals from bone tissue that can be distinguished by variations in bone density. Images acquired in this manner can provide information about intra-subject and inter-subject variations in bone density, thereby resulting in more accurate attenuation correction in bone tissues. | 03-10-2016 |
20160073925 | Obtaining a Three-dimensional Image of a Medical Instrument with a Magnetic Resonance Tomography Device - An apparatus is provided for obtaining a spatial instrument image of a medical instrument with a magnetic resonance tomography device, wherein the apparatus includes a medical instrument, a magnetic resonance tomography device, and a computing and control device. The medical instrument includes at least one marker material in at least one region, the marker material having a nuclear spin resonance outside of the proton resonance and wherein the computing and control device is configured to control the magnetic resonance tomography device such that a nuclear spin tomography imaging may be implemented by the magnetic resonance tomography device with the nuclear spin resonance of the at least one marker material in order to obtain a spatial instrument image, and wherein the computing and control device is configured to accept the instrument image. A corresponding medical instrument and a corresponding method are also provided. | 03-17-2016 |
20160073926 | Apparatus and method for determining the position of a medical instrument - An apparatus for determining a position of a medical instrument within a patient receiving zone of a magnetic resonance tomography device is provided. The apparatus includes a sensor and a computing and control device. The sensor is arranged on or in the medical instrument, includes at least one magnetic field sensor for obtaining measured values of a magnetic flux density, and may be connected to the computing and control device for data transfer purposes. The computing and control device is embodied to control magnetic fields of the magnetic resonance tomography device and to determine the position of the medical instrument. The measured values of the at least one magnetic field sensor and control signals for controlling the magnetic fields of the magnetic resonance tomography device are included in the determination of the position of the medical instrument. | 03-17-2016 |
20160073948 | MEASURE OF DISC DEGENERATION AND PATHOLOGY - Systems, computer-readable media, and methods are described for assessing physiological condition of spinal intervertebral discs in a quantitative manner using magnetic resonance imaging (MRI) data A simple, objective, continuous measurement of disc health or degeneration/pathology is provided, using routinely acquired or other digital magnetic resonance imaging (MRI) sequences. The measurement includes calculation of a value based on one or more ratios from signal-based measurements of spinal disc structures or regions, which can be obtained either through manual tracing or automated through programming of image analysis software. The measurement can be implemented by a computer and/or stored on a computer readable storage medium. | 03-17-2016 |
20160073992 | COMPUTED TOMOGRAPHY PERFUSION IMAGING - A method of computed tomography (CT) perfusion imaging includes: obtaining perfusion data by using a CT device to scan a present perfusion subject; performing calculations of the perfusion data by using two perfusion calculation methods to obtain perfusion parameters of each of said two perfusion calculation methods as initial perfusion parameters of each of said two perfusion calculation methods; performing calculations by using the initial perfusion parameters based on weights of said two perfusion calculation methods to obtain target perfusion parameters; and forming a target perfusion image of the present perfusion subject according to the target perfusion parameters. | 03-17-2016 |
20160073993 | SYSTEM AND METHOD FOR CORRECTING PET IMAGING DATA FOR MOTION USING MR IMAGING DATA AND TRACKING COILS - A system and method for generating motion-corrected positron emission tomography (PET) images is provided. A subject is prepared to be imaged by arranging a plurality of motion tracking coils about the subject. Each of the plurality of motion tracking coil includes a conductor extending through a plurality of loops to form a coil and includes a sample material. PET coincidence events are acquired concurrently with magnetic resonance (MR) data generated using the plurality of motion tracking coils with an MR system. Motion data is determined from the MR data and is incorporated in PET reconstruction or applied to PET images to generate motion corrected PET images. | 03-17-2016 |
20160074677 | METHODS AND DEVICES TO MODULATE THE AUTONOMIC NERVOUS SYSTEM VIA THE CAROTID BODY OR CAROTID SINUS - In some embodiments, sympathetic nerves surrounding arteries or leading to organs are targeted with energy sources to correct or modulate physiologic processes. In some embodiments, different types of energy sources are utilized singly or combined with one another. In some embodiments, bioactive agents or devices activated by the energy sources are delivered to the region of interest and the energy is enhanced by such agents. | 03-17-2016 |
20160074678 | PLANNING SYSTEM FOR TARGETING TISSUE STRUCTURES WITH ULTRASOUND - The disclosed subject matter provides systems and methods for targeting tissue structures and applying ultrasound thereto. A method according to the disclosed subject matter for targeting a tissue structure using corresponding tissue structure image data includes inputting the tissue structure image data into a targeting simulator, determining acoustic properties of the tissue structure from the corresponding tissue structure image data, and utilizing the determined acoustic properties to align a simulated transducer with the tissue structure such that the tissue structure is targeted. The method can further include acquiring the tissue structure image data, aligning the image data with an atlas of a body structure encompassing the tissue structure and/or selecting parameters of the simulated transducer such that a focal region of an ultrasound wave generated by the simulated transducer targets the tissue structure. | 03-17-2016 |
20160081588 | METHOD FOR CORRECTING RESPIRATORY INFLUENCES ON MAGNETIC RESONANCE RECORDINGS OF AN EXAMINATION OBJECT - In a method for correcting respiratory influences on recordings of an examination object by operation of a magnetic resonance apparatus, an external respiratory signal is determined, an internal respiratory signal is determined, a correlation signal is determined, at least one reliability range of the correlation signal is determined, a fit function in at least one reliability range of the correlation signal is determined, and the recordings subject to respiratory influences of the examination object are corrected based on the determined fit function. | 03-24-2016 |
20160081676 | MRI BIOPSY SYSTEM - A biopsy system, including a biopsy device, a localization assembly, and a control module. The localization assembly is configured to orient the biopsy device relative to a patient. The control module is communication with the biopsy device. The control module is configured to operate a plurality of functional features of the biopsy device. The control module includes a cable and a cable management assembly. The cable management assembly includes a pair of cable management plates, and a weight. Each of the pair cable management plates are disposed substantially parallel to each other and define a space therebetween. The weight is configured to move within the space defined by the pair of cable management plates. The weight is attachable to the cable of the control module and is further configured to slide axially along the cable. | 03-24-2016 |
20160081763 | PATHOLOGY LOCALIZER AND THERAPEUTICAL PROCEDURE GUIDE SYSTEM - A pathology localizer and therapeutical procedure guide system comprising an elongate strip ( | 03-24-2016 |
20160082288 | RADIATION THERAPY SYSTEM WITH REAL-TIME MAGNETIC RESONANCE MONITORING - The invention relates to a method and device in the field of MR guided radiotherapy and more specifically to the real-time magnetic resonance monitoring. The invention can be used for quality assurance of radiotherapy. To this end prior to the radiotherapy MR data is acquired and structures relevant to the treatment are tracked. These MR data can be displayed to a user. Furthermore, these data can be used to calculate a quality factor for the treatment to be given. | 03-24-2016 |
20160091583 | Patient-Specific Estimation of Specific Absorption Rate - A method for optimizing Specific Absorption Rate (SAR) estimation using a Magnetic Resonance Imaging (MRI) Scanner includes detecting movement of a table holding a patient into a bore of the MRI Scanner and, while the table is moving into the bore, performing an MRI scan of the patient to acquire a multi-slice multi-dimensional MRI dataset of an anatomical region of interest of the patient. The multi-slice multi-dimensional MRI dataset is processed to obtain a three-dimensional model corresponding to the patient's body geometry. Then, a patient-optimized SAR estimation is calculated using the three-dimensional model of the patient's body geometry. | 03-31-2016 |
20160098621 | METHOD AND SYSTEM FOR MULTI-MODAL TISSUE CLASSIFICATION - A method for multi-modal tissue classification of an anatomical tissue involves a generation of a tissue classification volume ( | 04-07-2016 |
20160100897 | STABILIZATION APPARATUSES AND METHODS FOR MEDICAL PROCEDURES - The present invention teaches minimally invasive apparatuses and methods for stabilizing and/or guiding medical instruments used in a variety of medical procedures, including (a) introducing one or more substances into a subject's body, (b) removing one or more substances from a subject's body, (c) manipulating a region of a subject's body, or (d) combinations thereof. Among the many advantages of the inventive apparatuses are their simplicity and adaptability to attach to a variety of retractors. | 04-14-2016 |
20160106317 | RF SHIELDED EXAM ROOM OF A MAGNETIC RESONANCE IMAGING SYSTEM - The present invention provides an exam room shielding ( | 04-21-2016 |
20160109458 | METHODS FOR DIAGNOSING AND TREATING BICUSPID AORTIC VALVE AND/OR AORTOPATHIES - Provided herein are methods for identifying and treating BAV disease and/or aortopathy in a subject, and methods of improving outcome in a subject. The subject may be asymptomatic of BAV disease and/or aortopathy, experiencing symptoms of BAV disease and/or aortopathy, have BAV disease and/or aortopathy, or be a blood relative of an individual having BAV disease and/or aortopathy. Levels of sRAGE in the subject's biological sample are determined, compared to a control biological sample, and used as an indicator for the presence and severity of BAV disease and/or aortopathies, a tool to screen family members, and an indicator of the proper surgical or treatment regimens. | 04-21-2016 |
20160113570 | COMBINED RADIOTHERAPY AND MRI APPARATUS - The present invention provides a combined radiotherapy and MRI system in which an imaging coil is mounted on a mechanical arm. The position of the imaging coil is thus known and in embodiments can be controlled to prevent collisions with the patient and unfavourable interactions between the imaging coil and the radiation beam. | 04-28-2016 |
20160113606 | METHODS AND SYSTEMS FOR DYNAMICALLY MODIFYING ACQUISITION PARAMETER DURING IMAGE ACQUISITION - Systems and methods for automatically and dynamically modifying an image acquisition parameter for use in tomosynthesis breast imaging. A selected image acquisition parameter is modified in response to a measured characteristic of an imaged object such as a breast, and thus tailored to provide the highest quality image for the particular object. For example, image quality in a breast tomosynthesis system can be improved by dynamically varying motion and other acquisition parameters of the tomosynthesis system in response to physical characteristics of the breast to be imaged (determined during image acquisition), such as the breast thickness, density or composition. Dynamically varying acquisition or processing methods helps to customize the system for each particular patient, thereby improving image quality and identification and assessment of potential pathologies and abnormalities, and lower radiation dose, and thus a reduced the risk of long-term adverse health effects due to lifetime accumulated radiation dose. | 04-28-2016 |
20160113667 | ULTRASOUND BASED METHOD AND APPARATUS FOR STONE DETECTION AND TO FACILITATE CLEARANCE THEREOF - Described herein are methods and apparatus for detecting stones by ultrasound, in which the ultrasound reflections from a stone are preferentially selected and accentuated relative to the ultrasound reflections from blood or tissue. Also described herein are methods and apparatus for applying pushing ultrasound to in vivo stones or other objects, to facilitate the removal of such in vivo objects. | 04-28-2016 |
20160120437 | SYSTEMS AND METHODS FOR PROVIDING VISUAL FEEDBACK OF TOUCH PANEL INPUT DURING MAGNETIC RESONANCE IMAGING - Systems and methods of are disclosed for providing visual feedback to a subject during magnetic resonance imaging, where the visual feedback is associated with input provided by the subject to a magnetic resonance compatible touch panel. A video camera is employed to record video images of the interaction between the subject and the touch panel, and the video images are processed to generate a real-time video signal including a rendering of the input provided to the touch panel and the interaction between the subject's hands and the touch panel. The real-time video signal is provided to the subject as visual feedback, and is displayed within a time duration that is sufficiently fast to avoid the detection of the visual feedback as an error signal with the subject's brain in relation to the sense of proprioception. A measurement of the force applied to the touch panel by the subject may be recorded and employed when rendering the real-time video. The systems and methods may be employed for a wide range of diagnostic and therapeutic procedures involving magnetic resonance imaging. | 05-05-2016 |
20160120440 | SPLIT BRIDGE FOR PET-MR SCANNER - A PET-MRI apparatus includes a patient support assembly having a cradle to accommodate a subject, a carriage assembly to attach to the cradle and cause the cradle to selectively travel, and a rear bridge to receive the cradle and carriage. The patient support assembly also includes a front bridge to receive the cradle and carriage assembly and provide for translation therealong, with the front bridge including a first section and a second section that is spaced apart from the first section to form a gap in the front bridge between the first section and the second section in an area adjacent a PET detector array of the PET-MRI apparatus. The front and rear bridges include an anti-tip rail assembly to interact with the cradle and the carriage assembly so as to prevent tipping thereof when traversing over the gap between the first and second sections of the front bridge. | 05-05-2016 |
20160120457 | METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR VISUALIZATION OF RESECTION TARGET DURING EPILEPSY SURGERY AND FOR REAL TIME SPATIOTEMPORAL VISUALIZATION OF NEUROPHYSIOLOGIC BIOMARKERS - The subject matter described herein relates to methods, systems, and computer readable media for visualization of a resection target during epilepsy surgery and for real time spatiotemporal visualization of neurophysiologic biomarkers. One exemplary method includes a real time neurophysiologic biomarker visualization system implemented by at least one computer, receiving, as input, a pre-electrode-implantation MRI of an epilepsy patient's brain. | 05-05-2016 |
20160128592 | LOW FIELD MAGNETIC RESONANCE METHODS AND APPARATUS - According to some aspects a system is provided comprising a low-field magnetic resonance (MR) device, at least one electrophysiological device, and at least one controller configured to operate the low-field MR device to obtain MR data and to operate the at least one electrophysiological device to obtain electrophysiological data. | 05-12-2016 |
20160128660 | AMYLOID PET BRAIN SCAN QUANTIFICATION BASED ON CORTICAL PROFILES - A medical system ( | 05-12-2016 |
20160128674 | ULTRASOUND IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein is an ultrasound imaging apparatus including: an image creator configured to create an ultrasound elastic image that represents a degree of elasticity for a region of interest including a predetermined point of interest of an object; and a display configured to display the ultrasound elastic image together with an ultrasound image for the object and a high-resolution medical image matching with the ultrasound image. | 05-12-2016 |
20160135775 | System And Method For Time-Resolved, Three-Dimensional Angiography With Physiological Information - A system and method are provided for generating time resolved series of angiographic volume data having velocity or velocity-derived information integrated therewith. An image processing system is configured to receive angiographic volume data and flow sensitive imaging data and process the angiographic volume data and flow sensitive imaging data to generate a combined dataset. A display is configured to display the combined dataset as angiographic volumes having associated time-resolved, color-coded flow information. | 05-19-2016 |
20160135776 | METHOD AND SYSTEM FOR INTRAOPERATIVE IMAGING OF SOFT TISSUE IN THE DORSAL CAVITY - The present invention provides methods and systems for the real-time imaging of the brain and other soft tissues within the dorsal cavity. The disclosed methods and systems have application in surgical procedures such as removal or resection of a pituitary tumor, a craniopharyngioma, a meningioma, an acoustic neuroma, an arachnoid cyst, an intraventricular tumor, a tumor located in the suprasellar cistern, a tumor located in a CSF filled intracranial cistern, a brain tumor, a cystic tumor, or a spinal tumor. | 05-19-2016 |
20160136456 | CRYOSTAT AND SYSTEM FOR COMBINED MAGNETIC RESONANCE IMAGING AND RADIATION THERAPY - A chamber ( | 05-19-2016 |
20160139224 | SYSTEMS AND METHODS FOR AVOIDING MRI-ORIGINATED INTERFERENCE WITH CONCURRENTLY USED SYSTEMS - MRI interference with a concurrently operated system may be reduced or corrected by subtracting the MRI interference from signals measured using the concurrently operated system. | 05-19-2016 |
20160143545 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - Provided is a technique in MRI to efficiently suppress downstream blood in a specific region in a blood vessel having a slow flow velocity, such as the portal vein. For this purpose, a plurality of Beam Sat pulses are applied so as to equally suppress signals of blood flowing into a desired imaging region from a desired blood vessel during the period from applying an IR pulse to starting main imaging. Downstream blood in a specific region in a blood vessel having a slow flow velocity, such as the portal vein, can be suppressed efficiently by determining application conditions of the plurality of Beam Sat pulses that achieve the above based on a flow velocity of blood in a desired blood vessel and T | 05-26-2016 |
20160143576 | MRI IMAGE FUSION METHODS AND USES THEREOF - A method for fusing a pre-operative MRI prostate image to an intra-operative TRUS or CT prostate image according to a least-cost affine transformation of the MRI contour onto the TRUS or CT contour, with smooth non-linear warping adjustment. MRI and CT processing may be performed as a pre-operational procedure for increased efficiency, while TRUS may be performed concurrent with a surgical procedure. | 05-26-2016 |
20160143581 | NIR IMAGE-GUIDED TARGETING - A method includes determining skin characteristics in a region of a patient. An in-treatment optical scan is performed on a region of a patient, wherein the in-treatment optical scan comprises a near infrared (NIR) energy source. A plurality of detected signals is detected from the optical scan. The skin characteristics are filtered out from the plurality of detected signals. Skeletal anatomy positioning associated with the region is determined from the plurality of signals that is filtered. | 05-26-2016 |
20160143590 | ELECTROCARDIOGRAPHY SYSTEM - Embodiments include an electrocardiography system that includes or is connected to a sensor arrangement, wherein the sensor arrangement includes surface electrodes that record electric signals. The electrocardiography system includes a signal processing unit, with filters and amplifiers, which is electrically connected to the sensor arrangement. The electrocardiography system includes a signal evaluation unit connected via a first signal input to the signal processing unit. The signal evaluation unit processes one or more prepared ECG signals provided by the signal processing unit in order to recover an electrocardiogram signal and to display the electrocardiogram signal. The signal evaluation unit includes a second signal input that receives secondary signals obtained by body sensors or monitors, wherein the signal evaluation unit processes the prepared ECG signals depending on the secondary signals. | 05-26-2016 |
20160144200 | SHIM SYSTEM FOR A MAGNETIC RESONANCE HYBRID SCANNER - A magnetic resonance apparatus which includes: a body portion ( | 05-26-2016 |
20160146911 | MAGNETIC RESONANCE IMAGING RECEIVE COIL ASSEMBLY - A radiofrequency receive coil assembly can include a first conductive loop and a second conductive loop electrically connected at a node. The first and second conductive loops can extend into a treatment beam region of the radio frequency receive coil assembly through which one or more beams of ionizing radiation pass. The first conductive loop and the second conductive loop can overlap each other to provide electromagnetic isolation and/or can use a common conductor combined with a shared capacitor to provide electromagnetic isolation, with the shared capacitor or other electrical components, as well as any conductive loop overlaps, being positioned outside of the treatment beam region. These features can, among other possible advantages, minimize and homogenize attenuation of the beams of ionizing radiation by the radiofrequency receive coil assembly. | 05-26-2016 |
20160157720 | HYBRID FLUORESCENCE-MAGENTIC IMAGING SYSTEM - The present invention provides a hybrid imaging system for imaging a volume of interest of a subject, said hybrid system is characterized by: | 06-09-2016 |
20160157882 | HIGH-INTENSITY FOCUSED ULTRASOUND (HIFU) PROBES WITH AUTOMATED CONTROL - A high-intensity focused ultrasound therapy unit ( | 06-09-2016 |
20160161579 | COMBINED MRI PET IMAGING - Combined use is made of image values at corresponding image locations defined by amide proton transfer MRI image data and 18F-FLT, 11C-MET, or 18F-FDG PET image data. The combined use may include computing multimodal heterogeneity for combined PET and amide proton transfer MRI image values, using PET image data to distinguish different image locations during processing and/or display of amide proton transfer image data, and tissue classification based on combinations of values derived from the amide proton transfer MRI and/or PET images. | 06-09-2016 |
20160166192 | MAGNETIC RESONANCE IMAGING TOOL TO DETECT CLINICAL DIFFERENCE IN BRAIN ANATOMY | 06-16-2016 |
20160169999 | APPARATUS AND METHOD FOR MAGNETIC RESONANCE IMAGING WITH HIGH SPATIAL TEMPORAL RESOLUTIONS | 06-16-2016 |
20160174868 | TISSUE DELINEATION AND CHARACTERIZATION IN MAGNETIC RESONANCE IMAGING | 06-23-2016 |
20160183922 | APPARATUS AND METHOD FOR PLANAR IMAGE SYNCHRONIZATION - A system and method and for acquiring and displaying images from different image modalities where both image sets are acquired in a sequential planar fashion and can be displayed one slice at a time on a computer screen. The operator can locate an anatomical target, such as the base of the prostate, in this image sequence. On the same screen, a live transverse ultrasound image can be acquired and the anatomical target located in the transverse image. The operator can reposition the transducer while acquiring images at intervals. A sensor detects the transducer position so the locations of the planes can be identified. Any plane can be selected from either image displayed, and the image will track in the alternate modality. The desired slice can be displayed on both images, allowing the operator to follow both images and identify pathology that may not be present in one of the images. | 06-30-2016 |
20160184026 | SYSTEMS AND METHODS FOR OPTIMIZING TRANSSKULL ACOUSTIC TREATMENT - Skull inhomogeneity may be quantified in accordance with the skull density measured in skull images acquired using a conventional imager; the quantified inhomogeneity may then be used to determine whether the patient is suitable for ultrasound treatment and/or determine parameters associated with the ultrasound transducer for optimizing transskull ultrasound treatment. | 06-30-2016 |
20160187436 | COIL ASSEMBLY FOR MAGNETIC RESONANCE IMAGING - A magnetic resonance imaging system is provided. The system includes a solenoid magnet configured to generate a static magnetic field and an annular coil assembly housed within at least a portion of the solenoid magnet. The coil assembly includes a gradient coil, wherein the annular coil assembly has an aperture formed therein. | 06-30-2016 |
20160199147 | METHOD AND APPARATUS FOR COORDINATING POSITION OF SURGERY REGION AND SURGICAL TOOL DURING IMAGE GUIDED SURGERY | 07-14-2016 |
20160249860 | METHOD AND APPARATUS FOR ENDOBRONCHIAL DIAGNOSIS | 09-01-2016 |
20160252633 | PET-MRI DEVICE AND MANUFACTURING METHOD THEREOF | 09-01-2016 |
20170232158 | ROD SHAPED BODY AND MEDICAL DEVICE | 08-17-2017 |
20180020947 | METHODS AND TOOLS FOR DIAGNOSING INSULIN RESISTANCE AND ASSESSING HEALTH STATUS USING NMR RELAXATION TIMES FOR WATER | 01-25-2018 |
20180020974 | TISSUE-ORIENTATION-BASED SIMULATION OF DEEP BRAIN STIMULATION | 01-25-2018 |
20180024213 | ACOUSTIC RADIATION FORCE IMAGING | 01-25-2018 |