| Patent application number | Description | Published |
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| 20090039562 | Method for producing an anti-scatter grid or collimator made from absorbing material - A method is proposed for producing an anti-scatter grid or collimator for a radiation type, which is formed from at least one base body of prescribable geometry having transmission channels or slits for primary radiation of the radiation type which extend between two opposite surfaces of the base body. The base body is formed from a structural material that strongly absorbs the radiation type, either using the injection molding technique or by way of the technique of stereolithography. The method can be used to produce an anti-scatter grid or collimator with high accuracy and with the aid of only a few steps. | 02-12-2009 |
| 20100111247 | Computed tomography device with active adaptation of the measuring electronics - A computed tomography device (CT device) includes a user interface, via which the standard settings characterizing the CT measurement can be performed. At the same time, in a method and a computed tomography device for carrying out this method, filtering behavior of the filter electronics is adapted to the configuration of the standard settings by the system computer. | 05-06-2010 |
| 20110255752 | EVALUATION METHOD AND DEVICE FOR EVALUATION OF MEDICAL IMAGE DATA - In an evaluation method and device for evaluation of medical image data, a pre-selection step is implemented for a manual pre-selection of the medical image data and a selection step is implemented for manual selection of relevant image regions in the pre-selected medical image data. Information for the selection of relevant image regions is provided in a manner that is at least partially computer-controlled in the preparation step. | 10-20-2011 |
| 20120043965 | MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD EMBODYING A MAGNETIC RESONANCE MARKING SYSTEM AND METHOD - In a magnetic resonance marking system marking a flowing medium in a marking region, as well as in a magnetic resonance system with such a magnetic resonance marking system, a method to control a magnetic resonance marking system, and a method to generate magnetic resonance exposures, a radio-frequency transmission device generates marking radio-frequency signals, and a marking radio-frequency transmission coil emits the marking radio-frequency signals in the marking region. A magnetic field determination device determines a magnetic field strength in the marking region, and a control unit derives a marking transmission frequency from the determined magnetic field strength and to control the radio-frequency transmission device so that marking radio-frequency signals at the derived marking transmission frequency are emitted by the marking radio-frequency transmission coil. | 02-23-2012 |
| 20120074938 | MAGNETIC RESONANCE METHOD AND SYSTEM TO GENERATE AN IMAGE DATA SET - In a magnetic resonance system and method the imaging area is readout by: (a) switching at least two phase coding gradients in respective spatial directions, (b) at the full strength of the phase coding gradients, radiating a non-slice-selective RF excitation pulse, (c) after a time t | 03-29-2012 |
| 20120153953 | MAGNETIC RESONANCE APPARATUS WITH A BASIC FIELD MAGNET FORMED BY AT LEAST TWO SEPARATED MAGNETIC COILS - A magnetic resonance apparatus for examination in THE teeth and/or jaw region of a patient has at least one basic magnet to generate a constant basic magnetic field. The basic magnet is formed at least in part from at least one magnetic coil pair with at least two magnetic coils, and the at least one magnetic coil pair generates the basic magnetic field with a homogeneous magnetic field region between the at least two magnetic coils thereof. | 06-21-2012 |
| 20130027038 | METHOD FOR RECORDING A MAGNETIC RESONANCE IMAGE - In a method for recording a magnetic resonance image with a magnetic resonance device, in which several projection image data records are recorded in succession with different gradient orientations, from which, through back projection, the magnetic resonance image is reconstructed, the recording of a projection data record in a recording time frame proceeds with a temporal frequency modulated excitation pulse of a pulse duration, wherein, through the frequency modulation of the excitation pulse, all spins to be recorded within the scope of the projection data record are excited in a temporal sequence and wherein the frequency modulation function describing the frequency modulation during the pulse duration exhibits at least one maximum and/or at least one minimum. During the excitation duration, a time-resolved reception signal is detected. The projection data record is determined from the reception signal through evaluation. | 01-31-2013 |
| 20130076357 | METHOD AND MAGNETIC RESONANCE APPARATUS TO GENERATE A SERIES OF MR IMAGES TO MONITOR A POSITION OF AN INTERVENTIONAL DEVICE - In a magnetic resonance (MR) method and system to generate a series of MR images to monitor the position of an interventional device located in an examination region, radial scanning of k-space is combined with other scans, in particular for the k-space center. The measurement time until the entirety of k-space corresponding to the imaging region is scanned is thereby markedly shortened in total. The short echo times that are possible with this reduce susceptibility artifacts in the reconstructed image data and enable a depiction of tissue or substances with very short T2 values, for example plastics. Due to the rapidly repeated excitation and acquisition of measurement data and the reconstruction of image data, it is possible to monitor a position of the intervention device in the examination region. | 03-28-2013 |
| 20130101198 | METHOD AND APPARATUS FOR CORRECTION OF ARTIFACTS IN MAGNETIC RESONANCE IMAGES - In a method and apparatus for the correction of artifacts in magnetic resonance images (MR) acquired with an MR pulse sequence in which gradients are switched simultaneously during the radiation of at least one non-selective excitation pulse, measurement data acquired with the pulse sequence in k-space are loaded into a processor, in which a perturbation matrix is determined on the basis of spatial and k-space point data of the acquired measurement data and the gradients used during the excitation. A corrected image is calculated from the acquired measurement data in k-space and the perturbation matrix, with the calculation of the corrected image including a matrix inversion of the perturbation matrix. The corrected image is then stored or displayed. | 04-25-2013 |
| 20130123606 | METHOD AND MAGNETIC RESONANCE APPARATUS TO MEASURE STRUCTURES OF THE HUMAN BRAIN - In a method to measure characteristic structure sizes of the human brain, which structure sizes can be used as biomarkers for a diagnosis of Alzheimer's, using a magnetic resonance device, manual and/or automatic localization of the hippocampus takes place in a preliminary magnetic resonance acquisition, followed by selection of at least one measurement axis that proceeds through the hippocampus. For each selected measurement axis, magnetic resonance data are acquired for a longitudinal, in particular rod-shaped, acquisition region proceeding along the measurement axis. Determination of the spatially resolved structure sizes is implemented from the magnetic resonance data. | 05-16-2013 |
| 20130265050 | 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, an RF excitation pulse is radiated into the subject and at least one magnetic field gradient is activated, and MR data of the predetermined volume segment is acquired beginning at a predetermined echo time after the RF excitation pulse. The echo time is in a time period of 10 μs to 1000 μs. | 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 |
| 20130271139 | DETERMINATION OF A CONTROL SEQUENCE FOR A MAGNETIC RESONANCE IMAGING SYSTEM - In a method to determine a control sequence for a magnetic resonance imaging system in order to acquire echo signal-based raw magnetic resonance data in k-space along one or more trajectories on the basis of the control sequence, the control sequence is optimized so that, to control a gradient magnetic field for at least a predetermined portion of the control sequence, a change of an attribute of the gradient magnetic field is limited. The limitation takes place so that a momentary amplitude change rate of the gradient magnetic field falls below a predetermined amplitude change rate limit value, and/or so that a momentary direction change rate of the gradient magnetic field falls below a predetermined direction change rate limit value, and/or so that a momentary gradient change rate of the gradient magnetic field that is based on a combination of the momentary amplitude change rate and the momentary direction change rate falls below a predetermined gradient change rate limit value. | 10-17-2013 |
| 20140232396 | OPTIMIZATION OF A PULSE SEQUENCE FOR A MAGNETIC RESONANCE SYSTEM - In a method and a pulse sequence optimization device to determine a pulse sequence for a magnetic resonance system, a pulse sequence is selected for optimization that includes a number of radio-frequency pulses and a number of gradient pulses chronologically coordinated therewith. An automatic analysis of the pulse sequence takes place to identify fixed point/time periods in the pulse sequence that are to be left unmodified, and modifiable time intervals in the pulse sequence that may be optimized. An automatic optimization of gradient pulses in the modifiable time intervals takes place according to a predetermined optimization criterion, while keeping the length of modifiable time intervals constant. | 08-21-2014 |
| 20140232397 | DETERMINATION OF A PULSE SEQUENCE FOR A MAGNETIC RESONANCE SYSTEM - In a method and a pulse sequence determination device to determine a pulse sequence for a magnetic resonance system, control protocol parameter values are initially acquired. A determination of k-space trajectory node points within k-space then takes place in a processor on the basis of the control protocol parameter values. The determination of the pulse sequence then takes place on the basis of the k-space trajectory node points. A method for operating a magnetic resonance system uses such a pulse sequence, and a magnetic resonance system embodies such a pulse sequence determination device. | 08-21-2014 |
| 20140375314 | MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS WITH INTERLEAVED RESTING STATE FUNCTIONAL MAGNETIC RESONANCE IMAGING SEQUENCES AND MORPHOLOGICAL MAGNETIC RESONANCE IMAGING SEQUENCES - In a method and apparatus for acquiring magnetic resonance data, a resting state functional magnetic resonance imaging sequence is executed in alternation with a morphological data acquisition sequence. The alternating sequences are executed with no time interruptions therebetween, with at least one repetition of the alternating sequences. The resting state functional magnetic resonance imaging sequence can be a BOLD-EPI sequence, and the morphological imaging sequence can be an MPRAGE sequence. | 12-25-2014 |
| Patent application number | Description | Published |
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| 20100034345 | Radiation converter and method for producing the same, radiation detector and tomography device - A radiation converter is disclosed. In at least one embodiment, the converter is for x-ray or gamma radiation and includes a multiplicity of scintillation elements which are separated from one another by separating septa. To reduce cross-talk between adjacent scintillation elements, the separating septa have a layer structure. The layer structure includes two backscatter layers, between which an absorber layer which is essentially opaque to the radiation, to scatter radiation and/or scintillation light is disposed. | 02-11-2010 |
| 20100220834 | Method for Producing Projective and Tomographic Images Using an X-Ray System - An embodiment of the present invention discloses a method for producing projective and tomographic images using X-rays, allowing structures of similar composition to be imaged particularly well by combined evaluation of the behaviour of the test object with respect to the phase displacement during passage of the X-rays and its absorption. At least one embodiment of the invention also relates to an X-ray system and a CT system with respective source grids, phase grids, and analytical grids for carrying out the method. | 09-02-2010 |
| 20100232568 | X-RAY OR GAMMA RAY DETECTOR ARRAY - An X-ray or gamma ray detector array is disclosed, with at least one row of detector elements including at least one layer made of an X-ray or gamma radiation absorbing conversion material. In at least one embodiment, the conversion material is at least in part composed of a chemical element with an atomic number ≧72, preferably >82. Such an X-ray or gamma ray detector array allows an increased spatial and spectral resolution and better dose usage. | 09-16-2010 |
| 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 |
| 20120112750 | APPARATUS WITH LOCAL COIL ARRANGEMENT AND IMPLANTABLE DEVICE - The present embodiments relate to an apparatus that includes a local coil for a magnetic resonance tomography system and an implantable device. | 05-10-2012 |
| 20120161773 | MAGNETIC RESONANCE COIL DEVICE - The present embodiments relate to a magnetic resonance coil device for receiving magnetic resonance signals. The magnetic resonance coil device includes a receiving antenna unit, a signal processing unit, a high-frequency unit, and a transmitting antenna unit for cable-free transmission of the received magnetic resonance signals and/or data to a data receiving unit. The magnetic resonance coil device includes at least one substantially uncovered region, and the transmitting antenna unit is arranged in the at least one substantially uncovered region. | 06-28-2012 |
| 20130027035 | METHOD FOR RECORDING MAGNETIC RESONANCE DATA WITH A MAGNETIC RESONANCE FACILITY - A method for recording magnetic resonance data with a magnetic resonance facility is proposed. Protons and sodium are excited. A proton magnetic resonance data record and a sodium magnetic resonance data record are recorded. The proton magnetic resonance data and the sodium magnetic resonance data are recorded during a single recording process. | 01-31-2013 |
| 20130165775 | MEDICAL INJECTION DEVICE AND METHOD FOR CONTROLLING THE MEDICAL INJECTION DEVICE - An injection device and methods for controlling the injection device are provided. Patient data for a patient to be treated are provided and an injection preparation (injectable) used in the injection device is automatically identified by the injection device automatically reading a label provided on a container of the injection preparation. Furthermore, contraindications for an identified injection preparation are determined. The patient data are compared with the any contraindication that has been determined At least one protective measure is adopted to prevent the injection when at least one contraindication matches the patient data. According to another variant of the method, patient data for a patient to be treated and contraindications for the injection preparations (injectables) available for a selection are established. The patient data are compared with the contraindications, wherein at least one injection preparation is suggested which contraindications do not match the patient data. | 06-27-2013 |
| 20130200893 | Determination of a Measuring Sequence for a Magnetic Resonance System - A method and a measuring-sequence-determining device for determining a measuring sequence for a magnetic resonance system based on at least one intra-repetition-interval time parameter are provided. During the determination of the measuring sequence in a gradient-optimization method, gradient-pulse parameters of the measuring sequence are automatically optimized to reduce at least one gradient-pulse-parameter maximum value. As a boundary condition in the gradient-optimization method, the intra-repetition-interval time parameter is kept constant at least within a specified tolerance value. | 08-08-2013 |
| 20130229181 | Magnetic Resonance Facility Having a Cylindrical Patient Receiving Unit and Patient Capsule - A magnetic resonance facility having a cylindrical patient receiving unit includes a high-frequency shield. The high-frequency shield is disposed to enclose the patient receiving unit and shield at least one high-frequency coil from a gradient coil arrangement. The high-frequency shield is extendable to form a shielded chamber that shields the high-frequency coil from high-frequency signals outside the shielded chamber. | 09-05-2013 |
| 20130237822 | COMBINED RADIOTHERAPY ULTRASOUND DEVICE - In order to minimize radiation directed to a region outside of a target volume of a patient during a radiation therapy and minimize the cost of an image-guided particle therapy system, the particle therapy system includes an ultrasound device having at least one ultrasound transducer positioned abutting or adjacent to an external surface of the patient. The ultrasound device and thus the ultrasound transducer are positioned outside of a beam path of a particle beam between a radiotherapy device generating the particle beam, and the target volume. The ultrasound device is operable to generate data representing the target volume and/or a region outside of the target region while the radiotherapy device directs the particle beam to the target volume. The particle therapy system includes a processor operable to control the radiotherapy device based on a comparison between the generated data representing the target volume and a predetermined treatment plan. | 09-12-2013 |
