37th week of 2008 patent applcation highlights part 53 |
Patent application number | Title | Published |
20080221408 | System and methods for optical sensing and drug delivery using microneedles - The current techniques provide a system for monitoring a physiological parameter of a patient using microneedles that are coupled to an optical system, allowing spectroscopic measurements to be made immediately below the outer layer of the epidermis. In embodiments of the present invention, the results of the spectroscopic measurements are used to control the administration of a drug through an intravenous tube. In other embodiments, the microneedles may be coated with a drug for administration to the patient. In other embodiments, the microneedles may be mounted in a probe, wherein an actuator is used to move the needles into contact with the skin, and a drug delivery system is used to infuse the drug into the patient. A method for making needles is also provided. | 2008-09-11 |
20080221409 | System and method for controlling tissue treatment - Embodiments of the present invention relate to a system and method for controlling a tissue treatment device using results from a spectroscopic tissue analyzer. One embodiment provides a system that uses a direct signal from a spectroscopic tissue analyzer to control the tissue treatment device. Alternatively, the system may provide an audible feedback signal to a user, allowing the user to choose how to adjust the tissue treatment device. A final embodiment provides a probe that has active sites for treating tissue, and an optical system to convey light to the active sites, allowing an analysis of the tissue parameter at the active sites. | 2008-09-11 |
20080221410 | Method for identification of sensor site by local skin spectrum data - A method is provided for determining the location of the sensor. The method comprises determining a physiological parameter based on detected light and determining the location of the sensor based on the physiological parameter. In addition, a method is provided for operating a sensor that includes calibrating a sensor based on a patient-specific physiological parameter, in which the patient-specific physiological parameter is skin color, age, gender, pooled blood, venous blood pulsation, or abnormal tissue. | 2008-09-11 |
20080221411 | System and method for tissue hydration estimation - A system and method are provided for determining tissue hydration. The method includes transmitting electromagnetic radiation at tissue and detecting the absorption spectrum of the tissue using a spectrum analyzer located in a sensor. Further, the method includes providing a signal correlative to the absorption spectrum from the spectrum analyzer to a monitor and processing the signal to determine an amount of water content in the tissue. | 2008-09-11 |
20080221412 | Method and apparatus for spectroscopic tissue analyte measurement - Methods and systems for calculating body fluid metrics are provided. In accordance with an exemplary embodiment of the present technique, there is provided a method for calculating body fluid metrics by acquiring an absorbance spectrum of a subject's tissue over a range of near-infrared light, performing a multi-linear regression of the absorbance spectrum of the subject's tissue in relation to absorbance spectra of tissue constituents, and calculating body fluid metrics based on the results of the multi-linear regression. A system is provided having a sensor for emitting the light into the subject's tissue and detecting reflected, scattered, or transmitted light, a spectrometer for processing the detected light and generating the absorbance spectrum of the subject's tissue, memory for storing absorbance spectra of the tissue constituents and a multi-linear regression model, and a processor for performing the multi-linear regression and calculating the body fluid metrics. | 2008-09-11 |
20080221413 | Multiple configuration medical sensor and technique for using the same - A sensor may be adapted to be placed on multiple tissue sites. A sensor is provided that may have one configuration associated with use on a digit and a second configuration associated with use on another tissue site, such as a forehead. Further, a sensor may be adapted to be a transmission-type sensor or a reflectance-type sensor, depending on its configuration. | 2008-09-11 |
20080221414 | Method for detection of aberrant tissue spectra - A method is provided for determining contact of a sensor with a patient's tissue. The method comprises comparing the intensity of detected light at a first wavelength to a threshold, wherein the first wavelength is not used to determine a physiological characteristic of the patient, and determining if the sensor is in contact with the patient's tissue based on the comparison. In addition, a method is provided for determining the amount of light shunting during operation of the sensor. The method comprises comparing the intensity of detected light at a first wavelength to a threshold, wherein the first wavelength is not used to determine a physiological characteristic of the patient, and determining the amount of light shunting based on the comparison. | 2008-09-11 |
20080221415 | Systems and methods for measuring and improving blood chemistry - Measurement systems provide a determination of relative concentrations of biological analytes based on transmission or reflection of near-infrared radiation by an in vivo specimen. Concentration and concentrations ratios associated with (ω-3, ω-6, and ω-9 fatty acids, lipids, glycosylated proteins, blood glucose, and cholesterol can be determined, and based on the determination an indication of subject health can be provided, or a dietary recommendation can be made. In one example, ratio of a concentration of ω-3 fatty acids to a combined concentration of ω-6 and ω-9 concentrations is determined. Dietary supplements can be recommended or ordered from a supplier based on the concentrations and concentration ratios. | 2008-09-11 |
20080221416 | System and method for detection of macular degeneration using spectrophotometry - Embodiments of the present invention relate to a system and method of detecting or monitoring macular degeneration in a patient. One embodiment of the present invention includes emitting a first light into the patient's retinal tissue at a first wavelength, emitting a second light into the patient's retinal tissue at a second wavelength, detecting the first and second lights after dispersion by the retinal tissue, and determining an amount of lipid proximate the retinal tissue based on the detected first and second lights. | 2008-09-11 |
20080221417 | System and method for detection of venous pulsation - In accordance with an embodiment of the present technique, there is provided methods and systems for detecting the presence of venous pulsation by adjusting the sensitivity of a detection algorithm based on a sensor characteristic and/or notifying a caregiver of the presence of venous pulsation by ceasing display of physiological parameters. An exemplary embodiment includes receiving one or more signals from a sensor, the one or more signals corresponding to absorption of light in a patient's tissue; calculating one or more physiological parameters of the patient based on the one or more signals; displaying the patient's physiological parameters; enabling detection of venous pulsation with variable sensitivity based on a location of the sensor; and suspending or terminating the display of the one or more of the patient's physiological parameters when venous pulsation is detected. | 2008-09-11 |
20080221418 | NONINVASIVE MULTI-PARAMETER PATIENT MONITOR - Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation, methemoglobin saturation, total hemoglobin, arterial oxygen saturation, fractional arterial oxygen saturation, or the like. In an embodiment, the monitor advantageously includes a plurality of display modes enabling more parameter data to be displayed than the available physical display real estate. In an embodiment, the monitor advantageously includes a mode indicator to inform a user as to which parameter measurement would be displayed in one or more display areas upon actuation of a mode selector. | 2008-09-11 |
20080221419 | METHOD AND SYSTEM FOR MONITORING A HEALTH CONDITION - A system and method for monitoring a health condition are disclosed. The system includes a patient management application, a data store and a monitoring device. The monitoring device includes an optical sensor, a Doppler sensor, and a computing device adapted to provide health parameter values including oxygen saturation of the blood, blood flow, blood pressure, heart rate, and cardiac output. | 2008-09-11 |
20080221420 | Fetal Pulse Oximetry and ECG Sensor - A medical device configured to be temporarily secured at a tissue field, such as a fetal skull, via a spiral probe. The spiral probe functions to both secure the sensor in place and provide an electrode for ECG purposes. The spiral probe is non-uniform and includes one or more of a stop element, a cross bar element and a collapsed portion adapted to engage tissue after a predetermined rotation of the probe into the tissue field. The probe diameter can expand with an increase in torque applied to a drive rod, leading to disengagement of the drive rod from the probe. The spiral probe and drive rod may define a detent mechanism whereby upon reaching a predetermined torque the drive rod is disengaged from the probe and freely rotates without further entry of the spiral probe into the tissue field. | 2008-09-11 |
20080221421 | APPARATUS FOR MEASURING PERFUSION RATE OF LEGS - The present invention relates to an apparatus for measuring the perfusion rate of legs. The measurement apparatus of the present invention includes a light leakage prevention unit including a light emitting device for radiating light having a certain wavelength onto a living body injected with Indocyanine Green (ICG), and a light leakage prevention housing formed to prevent transmission of external light. A data acquisition unit includes a band pass filter for passing therethrough only light, having a near infrared wavelength, in a fluorescence image emitted by the ICG and the light emitting device, and a Charge Coupled Device (CCD) camera for photographing a near infrared wavelength region. A data processing unit calculates a perfusion rate of the living body on a basis of data about the near infrared wavelength region through a data cable connected to the data acquisition unit. A data output unit outputs the perfusion rate calculated by the data processing unit. | 2008-09-11 |
20080221422 | SENSOR MEASUREMENT SYSTEM HAVING A MODULAR ELECTRODE ARRAY AND METHOD THEREFOR - A method for implementing a sensor measurement system is disclosed herein. The method includes providing a plurality of generally identical modular sensor arrays each having a single array connector, applying two of the plurality of modular sensor arrays to a patient such that the two modular sensor arrays can receive biopotential signals from the patient, and coupling the array connector of each of the two modular sensor arrays with a monitor such that the two modular sensor arrays can transmit the biopotential signals to the monitor and the monitor can convey information pertaining to the biopotential signals in a selectable form. A corresponding sensor measurement system is also provided. | 2008-09-11 |
20080221423 | Cardiac Catheter Imaging System - Systems and methods for measuring electrical potentials and other data associated with body tissue and generating electrograms of the tissue based on the data. In one embodiment, a device for measuring parameters of human tissue includes a multielectrode catheter for taking multiple measurements of the electrical characteristics of the human tissue, a concentric tube catheter located inside the multielectrode catheter, for providing structural support to the multi-electrode catheter and for serving as a conduit for advancing or withdrawing the multielectrode catheter over its surface; and an imaging catheter located inside the concentric tube catheter for taking multiple measurements of anatomical characteristics of the human tissue. | 2008-09-11 |
20080221424 | METHODS OF DETECTING SIGNALS FROM SUBJECTS USING HYDRO-INSENSITIVE ALTERNATING CURRENT RESPONSIVE COMPOSITES - An alternating current responsive composite is disclosed. The composite includes a polymeric material and a polar material that is substantially dispersed within the polymeric material. The polar material is responsive to the presence of an alternating current. | 2008-09-11 |
20080221425 | System and method for local deformable registration of a catheter navigation system to image data or a model - A method for registering a catheter navigation system to a three-dimensional image generally includes obtaining a three-dimensional image including position information for a plurality of surface points on a part of a patient's body, using a catheter navigation system to place a tool at a location on the surface of the patient's body, measuring position information for the surface location, identifying a corresponding location on the image, associating position information for the surface location and the location identified on the image as a fiducial pair, and using at least one fiducial pair to generate a mapping function. The mapping function transforms points within the coordinate system of the catheter navigation to the coordinate system of the three-dimensional image such that, for each fiducial pair, the mapping error is about zero. Suitable warping algorithms include thin plate splines, mean value coordinates, and radial basis function networks. | 2008-09-11 |
20080221426 | Methods and apparatus for detecting misapplied optical sensors - Methods and apparatus are described for sensing misplacement of an optical sensor on a patient. A wavelength of light which is particularly subject to absorption by a physiological characteristic of interest is used to compare to a reference to determine if the sensor placement is appropriate, such as to generate accurate readings. In one example, the intensity of a wavelength of light which is subject to absorption by bulk tissue, but less subject to absorption by oxygen in the blood will be detected to evaluate the placement of the sensor. | 2008-09-11 |
20080221427 | Cancellation of light shunting - There is provided a system and method for canceling shunted light. The method includes transmitting electromagnetic radiation at tissue of interest and generating a signal representative of detected electromagnetic radiation. A portion of the generated signal representing shunted light is canceled from the generated signal and the remaining portion of the generated signal is used to compute physiological parameters. | 2008-09-11 |
20080221428 | Chemical Shift Markers for Improved Wireless Fiducial Marker Tracking - A new and improved method for tracking and/or spatial localization of an invasive device in Magnetic Resonance Imaging (MRI) is provided. The invention includes providing an invasive device including a marker having a chemically shifted signal source with a resonant frequency different from the chemical species of the subject to be imaged, applying a pulse sequence, detecting the resulting RF magnetic resonance signals, and determining the 3D coordinates of the marker. The invention also includes generating scan planes and reconstructing an image from the detected signals to generate an image having the marker contrasted from the subject. The invasive device includes a marker having a chemically shifted signal source which has a resonant frequency different from the chemical species of the subject to be imaged for use in tracking the device during imaging. | 2008-09-11 |
20080221429 | Magnetic resonance imaging of coronary venous structures - A method and system for magnetic resonance imaging comprises applying at least one radiofrequency magnetization transfer (MT) pulse to a coronary venous region of a subject positioned within a magnetic field, and acquiring magnetic resonance imaging data from the coronary venous region to produce an image of a coronary venous structure. This technique can be utilized as part of a 3D free-breathing, ECG-triggered gradient-echo Cartesian acquisition of the coronary region. One or more magnetization transfer (MT) preparation pulses are used to enhance the contrast between venous blood and myocardium. The MT preparation results in myocardial signal suppression without any significant signal loss in the arterial or venous blood so as to maintain venous blood signal-to-noise ratio while improving contrast between myocardium and veins. The coronary venous structure can comprise one or more of a coronary sinus, a lateral vein and a posterior vein. The image of a coronary venous structure can be acquired in connection with an interventional cardiovascular procedure, such as a cardiac resynchronization therapy. | 2008-09-11 |
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. | 2008-09-11 |
20080221431 | METHOD AND APPARATUS FOR TRANSFORMING THE COORDINATE SYSTEM OF MRI-GUIDED MEDICAL EQUIPMENT TO THE COORDINATE SYSTEM OF AN MRI SYSTEM - In a method and an apparatus for transforming the coordinate system of MRI-guided medical equipment to the coordinate system of an MRI system MRI imaging is used to determine the rotational and translational values of the coordinate system of MRI-guided medical equipment relative to the coordinate system of an MRI system, so as to achieve the transformation. A number of fiducial markers are arranged in the MRI-guided medical equipment, and a coil winding is arranged on each fiducial marker for generating signals to determine its position in the coordinate system of the MRI system. The coil windings are serially connected and the serially connected windings are connected to the magnetic resonance system via an interface circuit. | 2008-09-11 |
20080221432 | Low temperature method to enhance detection of magnetic beads - Detection of magnetic beads at temperature below room temperature can increase the signal level significantly as compared to the same detection when performed at room temperature. Additional improvement is obtained if the beads are below 30 nm in size and if deviations of bead size from the median are small. A preferred format for the beads is a suspension of super-paramagnetic particles in a non-magnetic medium. | 2008-09-11 |
20080221433 | Single coil parallel imaging - An imaging apparatus for an object in change includes an MRI system having a computer, a first channel which produces images of the object in change using alternate lines of k-space applied along each of the two phase encoding directions. The computer combines the individual images into a composite 3D image of the object. The MRI system acquires alternate lines of temporally resolved data along each of the phase encoding directions, such that at any one time point at least 25% of full data are acquired. A method for imaging an object in change includes the steps of producing an individual image of the object in change with a first channel of an MRI system using alternate lines of k-space applied for each phase encoding direction. There is the step of producing an individual image of the object in change with at least a second channel of the MRI system independent of the first channel by acquiring alternate lines of temporally resolved data using alternate lines of k-space. There is the step of combining the individual images into a composite 3D image of the object with a computer of the MRI system. | 2008-09-11 |
20080221434 | Displaying an internal image of a body lumen of a patient - A medical system includes a display monitor, a catheter, a sensor, non-light-obtained image data of a patient, and a computer. The catheter has a distal end insertable into a body lumen of the patient. The sensor is attached to the catheter and is adapted to provide position data. The computer is adapted to calculate a position of the sensor using at least the position data indexed to a reference coordinate system, to create an internal image representation of the body lumen using at least the image data indexed to the reference coordinate system, and to display on the monitor a display image of the internal image representation of the body lumen. A storage medium contains a program readable by a computer which instructs the computer to perform the previously described steps. A method for visualizing a position of a catheter within a patient performs the above-described steps. | 2008-09-11 |
20080221435 | Catheter Navigation System - A method and system for navigation of a medical instrument, including: introducing at least three reference device(s) disposed to at least three reference locations; employing an imaging and guidance system to acquire a plurality of image projections corresponding to a desired anatomy including the reference devices, the plurality of image projections being sufficient to permit generating a three-dimensional modeling or reconstruction images corresponding to the reference devices. The method also includes measuring a position of the reference devices; formulating a transformation matrix based on comparing positions of the reference devices computed from the modeling or reconstruction images with the measured positions of the reference devices; and superimposing an image of a medical instrument in at least one of the plurality of image projections based on the transformation matrix and a position of the medical instrument. | 2008-09-11 |
20080221436 | ELECTRONIC VALVE READER - The invention is directed toward a magnetic valve reader used as an indicator tool. The magnetic valve reader determines a location and an orientation for a magnetic indicator device to indicate a device setting of an implantable medical device. The implantable medical device includes the magnetic indicator device coupled to a valve on the implantable medical device. External magnetic fields, specifically the Earth's magnetic field, may interfere with the compass and create an incorrect device setting indication. The electronic reader estimates the external magnetic fields to subtract the estimate from received data to minimize any influence that external magnetic field has on the accuracy of the device setting measurement. | 2008-09-11 |
20080221437 | STEERABLE SNARE FOR USE IN THE COLON AND METHOD FOR THE SAME - An apparatus comprises a snare and an actuator. The snare is formed of a material having an opacity complementary to a predetermined imaging system that is positionable external to a patient. The actuator is configured to steer the snare in response to an image of at least a portion of a colon of the patient. The image is generated by the predetermined imaging system. | 2008-09-11 |
20080221438 | AUTOMATED CATALOG AND SYSTEM FOR CORRECTION OF INHOMOGENEOUS FIELDS - A method for providing a localization system with detailed information regarding a catheter's construction, while at the same time preventing operator input errors, for use in a three-dimensional localization field, including providing a catheter having at least one feature, providing a catheter catalog for use by the localization system, wherein the catheter catalog comprises reference data relating to features of the catheter, placing the catheter into the localization field, creating a map with the localization field, locating the catheter on the map, and correlating features of the catheter within the localization field with measurements made by the localization system when the feature is at various locations. | 2008-09-11 |
20080221439 | Tools for use with moving organs - A sensor senses a phase of cyclic activity of a portion of a subject's body. A control unit, in a first cycle of the cyclic activity, moves a portion of a tool, in a given direction, in response to the sensor sensing that the cyclic activity is at a first given phase thereof. The control unit, following the given phase and prior to an occurrence of the given phase in a subsequent cycle, inhibits the tool's movement. The control unit in a second cycle, subsequent to the inhibiting, moves the tool in the given direction, in response to the sensor sensing that the second cycle is at the given phase, without moving the tool in an opposite direction, between (a) moving the tool in the given direction in the first cycle, and (b) moving the tool in the given direction in the second cycle. Other embodiments are also described. | 2008-09-11 |
20080221440 | Imaging and tools for use with moving organs - Apparatus is described for use with a portion of a subject's body that moves as a result of cyclic activity of a body system. An imaging device acquires a plurality of image frames of the portion. A sensor senses a phase of the cyclic activity. A medical tool performs a function with respect to the portion. A control unit generates a stabilized set of image frames of the medical tool disposed within the portion, actuates the tool to perform the function or move, in response to the sensor sensing that the cyclic activity is at a given phase thereof, and inhibits the tool from performing the action or moving in response to the sensor sensing that the cyclic activity is not at the given phase. A display facilitates use of the tool by displaying the stabilized set of image frames. Other embodiments are also described. | 2008-09-11 |
20080221441 | Tumor grading from blood volume maps - An embodiment of the invention is to make possible a non-invasive grading of a tumor based on parameters determined from a frequency distribution (histogram) of values in a map representing cerebral blood volume (CBV) or cellular metabolism in the tumour. The method is especially applicable to brain tumors such as gliomas where histological grading is difficult. The invention provides a precise and consistent grading since it relies on values selected from the whole tumor (not just from hot spots); since it takes the diversity or heterogeneity of the vascularization into account by analyzing the frequency distribution (not just a mean value); and since it involves and allows for a more automated procedure wherein any subjective contributions from human operators is not critical to the resulting grading. CBV maps may be obtained by perfusion imaging using MRI or CT scanning. Cellular metabolism maps may be obtained from a glucose metabolism map obtained by positron emission tomography (PET). | 2008-09-11 |
20080221442 | Imaging for use with moving organs - Apparatus is described for imaging a portion of a body of a subject that moves as a result of cyclic activity of a body system of the subject and that also undergoes additional motion. An imaging device acquires a plurality of image frames of the portion. A sensor senses a phase of the cyclic activity of the body system. A control unit generates a stabilized set of image frames of the portion by identifying a given phase of the cyclic activity, and outputting a set of the image frames corresponding to image frames of the portion acquired during the given phase, and by image tracking at least the set of image frames to reduce imaged motion of the portion associated with the additional motion. A display displays the stabilized set of image frames of the portion. Other embodiments are also described. | 2008-09-11 |
20080221443 | Integrated Imaging and Biopsy System with Ancillary Device Authentication - A diagnostic station integrates patient support, imaging, biopsy, and treatment. An illustrative version of a prone mammography table localizes a breast with an imaging modality (e.g., X-ray, etc.) based upon a rotating C-arm that may encircle the localized breast. A biopsy system is integrated into the controls and displays or user interface of the diagnostic station, sharing integrated utilities (e.g., vacuum, power, data communication, etc.). Ancillary devices may be identified and authenticated by the integrated system, such as to base available functionality on the identification and/or authentication of an ancillary device. Ancillary devices that may be integrated with the system may include devices that are operable to perform surgical, therapeutic, diagnostic, or other functions. | 2008-09-11 |
20080221444 | Integrated Imaging and Biopsy System with Integrated Surgical, Therapy, and Diagnostic Devices - A diagnostic station integrates patient support, imaging, biopsy, and treatment. An illustrative version of a prone mammography table localizes a breast with an imaging modality (e.g., X-ray, etc.) based upon a rotating C-arm that may encircle the localized breast. A biopsy system is integrated into the controls and displays or user interface of the diagnostic station, sharing integrated utilities (e.g., vacuum, power, data communication, etc.). Ancillary devices may be identified and authenticated by the integrated system, such as to base available functionality on the identification and/or authentication of an ancillary device. Ancillary devices that may be integrated with the system may include devices that are operable to perform surgical, therapeutic, diagnostic, or other functions. | 2008-09-11 |
20080221445 | Gated optical coherence tomography (OCT) environmental chamber - Systems, methods, and other embodiments associated with gated optical coherence tomography (OCT) are described. One example method includes generating an image control signal to control an OCT apparatus to acquire an image of an embryonic heart at a specified point in time during a cardiac cycle of the embryonic heart. The method may also include controlling the OCT apparatus to acquire the image based on the image control signal. In different examples, the image may be acquired in vivo or from an excised heart that is paced. The OCT apparatus and the embryonic heart may be housed in an environmental chamber having a set of controllable environmental factors. Therefore, the method may include detecting and controlling the set of controllable environmental factors. | 2008-09-11 |
20080221446 | Method and apparatus for tracking points in an ultrasound image - An ultrasound system comprises a position sensing module, an imaging tracking module, a display and a user interface. The position sensing module detects spatial information associated with a volume of data. The display displays first and second images based on the volume of data. The first and second images comprise first and second portions of the volume of data, and the first and second portions are at least partially different with respect to each other. The user interface selects a first image tracking point on the first image. The first image tracking point is indicated on the first image with a first indicator. The image tracking module tracks the first image tracking point within the volume of data. The image tracking module indicates on the display a spatial relationship of the first image tracking point to the second image. | 2008-09-11 |
20080221447 | MEDICAL APPARATUS OBTAINING INFORMATION INDICATIVE OF INTERNAL STATE OF AN OBJECT BASED ON INTERACTION BETWEEN SOUND WAVES AND LIGHT - A medical apparatus acquires information indicating an internal state of a region being examined of an object based on a modulated component of light caused by interaction with ultrasound waves in the region. In the apparatus, light radiating component have a light radiating member radiating the light toward the region of the object, and light detecting components have a light detecting member detecting light that has been transmitted through the region of the object. The light radiating and detecting components are supported by support components to be opposed to each other with the region located between the light radiating and detecting members. An ultrasound emitting component emits the ultrasound waves toward the region from a direction different from a radiating direction of the light radiated from the light radiating member. The emitted ultrasound waves modulates the radiated light. | 2008-09-11 |
20080221448 | Image-guided delivery of therapeutic tools duing minimally invasive surgeries and interventions - Imaged-guided therapy for minimally invasive surgeries and interventions is provided. An image-guided device includes an elongate tubular member, such as a catheter, an annular array of capacitive micromachined ultrasound transducers (cMUTs) for real-time three-dimensional forward-looking acoustic imaging, and a therapeutic tool. The therapeutic tool is positioned inside an inner lumen of the elongate tubular member and can be a device for tissue ablation, such as a high intensity focused ultrasound (HIFU) device or a laser. The HIFU device is operable at high frequencies to have a sufficiently small focus spot, thus a high focal intensity. The imaging annular array is also operable at high frequencies for good acoustic imaging resolution. The high resolution forward-looking imaging array, in combination with the high frequency HIFU transducer, provides a single image-guided therapy device for precise tissue ablation and real-time imaging feedback. | 2008-09-11 |
20080221449 | ULTRASONIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD - An ultrasonic apparatus has a pulse transmission and reception unit, an envelope curve detection unit, a time difference detection unit, and an attenuation characteristic obtaining unit. The pulse transmission and reception unit transmits a first transmitted pulse that a frequency increases with time and a second transmitted pulse that the frequency decreases with time, further receives a first received pulse corresponding to the first transmitted pulse and a second received pulse corresponding to the second transmitted pulse. The envelope curve detection unit detects a first envelope curve based on the first received signal and a second envelope curve based on the second received signal, respectively. The time difference detection unit detects a time difference between the first envelope curve and the second envelope curve. The attenuation characteristic obtaining unit obtains a frequency dependent-attenuation characteristic of an ultrasonic base on the time difference. | 2008-09-11 |
20080221450 | ULTRASOUND SYSTEM AND METHOD OF FORMING ULTRASOUND IMAGES - The present invention is directed to an ultrasound system capable of providing a plurality of M-mode images corresponding to M-mode lines without moving a probe. A volume data forming and reconstructing unit of the present invention forms volume data based on the ultrasound echo signals, the volume data forming and reconstructing unit being configured to determine a beat period of the moving object and reconstruct the volume data based on the beat period. A processor forms at least one reference image based on the reconstructed volume data and one or more M-mode images corresponding to one or more M-mode lines set on the reference image and a display unit displays the reference image, the M-mode lines and the M-mode images. | 2008-09-11 |
20080221451 | ULTRASONIC DIAGNOSTIC EQUIPMENT AND CONTROL METHOD THEREFOR - Image data of the interior of a sample (S) are sequentially created on the basis of reception signals at the time when ultrasonic waves are transmitted into the sample (S) so as to scan the interior thereof, movements of respective control points set on the image data are tracked so as to evaluate temporal changes of velocities of motions of the sample (S), and differences of timings of the motions in the sample (S) are color-displayed on the basis of the temporal changes of the velocities. | 2008-09-11 |
20080221452 | Method for inducing and monitoring long-term potentiation and long-term depression using transcranial doppler ultrasound device in head-down bed rest - The present invention provides a method for monitoring long-term potentiation and long-term depression, comprising placing a subject in head down rest position and monitoring in real-time cerebral mean blood flow velocity using a transcranial Doppler device during psychophysiologic tasks. The method involves using Fourier analysis of mean blood flow velocity data to derive spectral density peaks of cortical and subcortical processes. The effect of head-down rest at different time intervals is seen as accentuation of the cortical peaks in long-term potentiation and attenuation of subcortical peaks in long-term depression. The effect of different interventions could be evaluated for research, diagnosis, rehabilitation and therapeutic use. | 2008-09-11 |
20080221453 | UNIVERSAL ULTRASOUND HOLDER AND ROTATION DEVICE - Provided herein are devices and methods for mounting variously configured medical imaging probes for imaging applications. In one aspect, a holding device allows for interfacing/holding most conventional ultrasound probes such that the probes may be attached to a positioning device using a common interface. As ultrasound probes come in various sizes and lengths, the device may adjust to different lengths, widths and shapes of different probes. Hence, the device may work in a substantially universal manner while securely holding probes with little wobble or other problems. | 2008-09-11 |
20080221454 | Curved 2-D Array Ultrasound Transducer and Method for Volumetric Imaging - An ultrasound imaging system includes an imaging probe having an array of transducer elements that is flat and relatively elongated in the azimuth direction and is curved outwardly in the elevation direction. As a result, when the transducer elements are scanned in a step-wise manner, the acoustic pattern of the probe diverges in the elevation direction. The probe therefore provides a large field of view in the near field despite using relatively few transducer elements. The probe also includes sub-array beamformers to delay signals transmitted and received from the transducer elements in respective sub-arrays. The received signals are coupled to an imaging system which includes a signal path that processes the received signals into signals corresponding to a volumetric image. A display coupled to the signal path can then show a volumetric image of anatomical features in a volumetric region adjacent the array of transducer elements. | 2008-09-11 |
20080221455 | NEAR-INFRARED SPECTROSCOPIC ANALYSIS OF BLOOD VESSEL WALLS - The invention relates to methods and devices for characterizing tissue in vivo, e.g., in walls of blood vessels, to determine whether the tissue is healthy or diseased, and include methods of displaying results with or without thresholds. | 2008-09-11 |
20080221456 | Optical Sensor and a Method of Its Use - The invention provides a device | 2008-09-11 |
20080221457 | Multimodal Detection of Tissue Abnormalities Based on Raman and Background Fluorescence Spectroscopy - Methods and apparatus for classifying tissue use features of Raman spectra and background fluorescent spectra. The spectra may be acquired in the near-infrared wavelengths. Principal component analysis and linear discriminant analysis of reference spectra may be used to obtain a classification function that accepts features of the Raman and background fluorescence spectra for test tissue and yields an indication as to the likelihood that the test tissue is abnormal. The methods and apparatus may be applied to screening for skin cancers or other diseases. | 2008-09-11 |
20080221458 | Catheter and method for diagnosis and treatment of diseased vessels - The present invention provides a catheter for detecting and treating diseased tissue in a blood vessel or other hollow body organ. The catheter comprises an elongated tubular catheter shaft having a distal end comprising a light transmission zone. A first fiber lumen in the catheter shaft contains a diagnostic optical fiber having a distal end terminating within the light transmission zone for emitting and receiving light through the light transmission zone. A diagnostic subassembly at the proximal end and in communication with the diagnostic optical fiber processes diagnostic light for use in connection with a diagnostic method for detecting diseased tissue. A second fiber lumen can be provided in the catheter shaft for containing a treatment optical fiber for delivering treatment light from a light source at the proximal end of the catheter shaft to the light transmission zone. The treatment optical fiber has a distal end terminating within the light transmission zone for emitting light for treatment of the diseased tissue. An occlusion balloon is positioned on the distal end of the catheter shaft adjacent to the light transmission zone and in fluid communication with an inflation lumen. One or more infusion ports formed on or near the light transmission zone and in fluid communication with an infusion lumen deliver infusion fluid to the hollow body organ. | 2008-09-11 |
20080221459 | RESPIRATORY-BASED CONTROL OF MEDICAL PROCEDURE - A medical system ( | 2008-09-11 |
20080221460 | Methodology and display instrument to noninvasively determine pulmonary characteristics through breath analysis and arterial blood measurement - Disclosed are a method for determining respiratory characteristics of lung-pulmonary circulation system by respiratory blood gas and blood gas data, and a displaying instrument for the same. More particularly, the present invention describes a method for determining respiratory characteristics of the lung-pulmonary circulation system by using respiratory blood gas and blood gas data and a display instrument for the same, so that the present invention provides partial O | 2008-09-11 |
20080221461 | VITAL SIGN MONITOR FOR CUFFLESSLY MEASURING BLOOD PRESSURE WITHOUT USING AN EXTERNAL CALIBRATION - The invention provides a method for measuring a patient's blood pressure featuring the following steps: 1) measuring a first time-dependent optical signal with a first optical sensor; 2) measuring a second time-dependent optical signal with a second optical sensor; 3) measuring a time-dependent electrical signal with an electrical sensor; 4) estimating the patient's arterial properties using either the first or second time-dependent optical signal; 5) determining a pulse transit time (PTT) from the time-dependent electrical signal and at least one of the first and second time-dependent optical signals; and 6) calculating a blood pressure value using a mathematical model that includes the PTT and the patient's arterial properties. | 2008-09-11 |
20080221462 | Detection of oximetry sensor sites based on waveform characteristics - In accordance with an embodiment of the present technique, there is provided methods and systems for detecting the location of a sensor and determining calibration algorithms and/or coefficients for calculation of physiological parameters based on the detected location. An exemplary embodiment includes receiving a signal corresponding to absorption of at least one wavelength of light by a patient's tissue, generating a plethysmographic waveform from the signal, determining an identifying characteristic of the plethysmographic waveform, and determining a location of the sensor based on a comparison of the identifying characteristic with at least one defined criterion. | 2008-09-11 |
20080221463 | System and method for venous pulsation detection using near infrared wavelengths - Methods and systems for detecting venous pulsation are provided. In accordance with an exemplary embodiment of the present technique, there is provided a method for detecting venous pulsation, including acquiring a first signal corresponding to absorption at a first near-infrared wavelength, acquiring a second signal corresponding to absorption at a second near-infrared wavelength, deriving an offset metric from the first and second signals, and detecting the presence of venous pulsation based on the offset metric. The method further includes correcting calculations of physiological parameters such as, for example, blood oxygen saturation, when venous pulsation is detected. | 2008-09-11 |
20080221464 | Perfusion trend indicator - A perfusion trend indicator inputs a plethysmograph waveform having pulses corresponding to pulsatile blood flow within a tissue site. Perfusion values are derived corresponding to the pulses. Time windows are defined corresponding to the perfusion values. Representative perfusion values are defined corresponding to the time windows. A perfusion trend is calculated according to differences between representative perfusion values of adjacent ones of the time windows. | 2008-09-11 |
20080221465 | Display of target cardiac flow based on cardiac index calculation - User interfaces for medical perfusion systems that provide oxygenation, filtering, and recirculation of blood in connection with various medical procedures are provided. In particular, methods of displaying and communicating a desired target flow rate and cardiac index during cardiopulmonary bypass surgeries are provided. | 2008-09-11 |
20080221466 | Patient Monitoring System - The present invention relates to a patient monitoring system, a patient monitoring method and a computer program. In order to improve the monitoring of patients, particularly for cardiac monitoring and weight monitoring, a patient monitoring system ( | 2008-09-11 |
20080221467 | Method and systms for regional assessment of pulmonary function - A method and system for regional assessment in two or more regions of an individual's lungs. The system includes a plurality of transducers configured to be fixed over the thorax. Each transducer generates a signal P(x | 2008-09-11 |
20080221468 | Prediction of disordered breathing - An approach for predicting disordered breathing involves detecting one or more conditions associated with disordered breathing. The detected conditions are compared to disordered breathing prediction criteria. A prediction of disordered breathing is performed based on the comparison of the detected conditions to the prediction criteria. At least one of comparing the detected conditions to the prediction criteria and predicting disordered breathing is performed at least in part implantably. | 2008-09-11 |
20080221469 | FITTING AND FLUID-CONVEYING DEVICE CONNECTED THERETO - A fitting for a fluid-conveying conduit. The fitting includes integrally-formed clamps that can be used to secure the conduit in a locking relationship so that likelihood of leakage and separation of the fitting and the conduit is reduced. In one form, the fitting and conduit can be used as a moisture exchange device. In a more particular form, the conduit wall of the moisture exchange device includes a water-permeable material such that a humidity level in the conduit can be controlled. Since the fitting is formed separately from the end of the conduit to which it is to be attached, fabrication cost and complexity is reduced. | 2008-09-11 |
20080221470 | RESPIRATORY SENSOR ADAPTERS FOR NASAL DEVICES - Described herein are nasal respiratory devices including an attachment site for a sensors and sensor adapters for securing at least a portion of a sensor to a nasal respiratory device. Sensor adapters typically have a body frame having at least two regions: an attachment region for securing the sensor adapter to the nasal respiratory device; and a sensor connector region for securing a sensor across from an outlet of the nasal respiratory device. | 2008-09-11 |
20080221471 | APPARATUS FOR COLLECTION OF AIRWAY GASES - The invention relates to an apparatus for collection of airway gases from a subject comprising a first means for producing closure of the velum of the subject, and a second means for collection of the airway gases, wherein the first and second means need not be integral with each other. | 2008-09-11 |
20080221472 | METHOD AND SYSTEM FOR MEASURING AND RANKING A POSITIVE OR NEGATIVE RESPONSE TO AUDIOVISUAL OR INTERACTIVE MEDIA, PRODUCTS OR ACTIVITIES USING PHYSIOLOGICAL SIGNALS - A system and method for calculating a valence value captures an individual's positive or negative response to a media by considering alpha asymmetry of the individual's brain. This valence value can be used to compare media based on an individual or a group of individuals. Events of the media can be contrasted and compared by the valence value as well. Statistical measurements may be taken to improve media. | 2008-09-11 |
20080221473 | System and Methods for Performing Pedicle Integrity Assessments of the Thoracic Spine - The present invention includes a system and methods aimed at surgery, and more particularly to a system and methods for monitoring nervous tissue to assess the integrity of a pedicle wall during or after pilot hole formation and before, during, or after screw implantation, particularly in the thoracic spine. The system also performs other neurophysiologic assessments including, but not necessarily limited to, neuromuscular pathway status, nerve proximity detection, nerve pathology monitoring, and spinal cord health monitoring. | 2008-09-11 |
20080221474 | Method and Apparatus for Inductively Measuring the Bio-Impedance of a User's Body - The present invention relates to a method and apparatus ( | 2008-09-11 |
20080221475 | METHOD FOR DETECTING BOTH PRE-CANCEROUS AND CANCEROUS TISSUES - A method for characterizing tissues within a subject as cancerous or non-cancerous includes determining the electrical properties of the subject. The electrical properties of the subject are fit to a model and a characteristic frequency of each tissue is then calculated. Each tissue is finally characterized as cancerous or non-cancerous if its characteristic frequency lies above a threshold value. | 2008-09-11 |
20080221476 | Abdominal impedance measurement apparatus and body composition determination apparatus - An abdominal impedance measurement apparatus includes a plurality of electrodes for measuring an abdominal impedance of a human subject, electrode supporting member for supporting the electrodes, and a frame that is disposable around the human subject. A light emitter is supported by the frame for emitting light beams toward the inside of the frame. A mark is provided at the electrode supporting member. This mark is capable of being irradiated with the light beams. | 2008-09-11 |
20080221477 | Method and Implantable Medical Device for Measuring an Electrical Bio-Impedance of a Patient - In a method and device for measuring an electrical bio-impedance of a patient at least one impedance measurement signal is generated by a current pulse generator, the signal having at least one asymmetric multiphasic impedance measurement waveform that is asymmetric in term of pulse amplitude and/or pulse width relative to the operating voltage of the current pulse generator. The waveform has a DC component that is substantially equal to zero, and is adapted to the available voltage headroom of an implantable device that contains the current pulse generator. The impedance measurement signal with the aforementioned waveform is applied to a patient and a resulting impedance signal is produced thereby, from which at least one impedance value is determined. | 2008-09-11 |
20080221478 | Integrated Imaging and Biopsy System with Integrated Control Interface - A diagnostic station integrates patient support, imaging, biopsy, and treatment. An illustrative version of a prone mammography table localizes a breast with an imaging modality (e.g., X-ray, etc.) based upon a rotating C-arm that may encircle the localized breast. A biopsy system is integrated into the controls and displays or user interface of the diagnostic station, sharing integrated utilities (e.g., vacuum, power, data communication, etc.). Ancillary devices may be identified and authenticated by the integrated system, such as to base available functionality on the identification and/or authentication of an ancillary device. Ancillary devices that may be integrated with the system may include devices that are operable to perform surgical, therapeutic, diagnostic, or other functions. | 2008-09-11 |
20080221479 | Integrated Imaging and Biopsy System with Integrated Utilities - A diagnostic station integrates patient support, imaging, biopsy, and treatment. An illustrative version of a prone mammography table localizes a breast with an imaging modality (e.g., X-ray, etc.) based upon a rotating C-arm that may encircle the localized breast. A biopsy system is integrated into the controls and displays or user interface of the diagnostic station, sharing integrated utilities (e.g., vacuum, power, data communication, etc.). Ancillary devices may be identified and authenticated by the integrated system, such as to base available functionality on the identification and/or authentication of an ancillary device. Ancillary devices that may be integrated with the system may include devices that are operable to perform surgical, therapeutic, diagnostic, or other functions. | 2008-09-11 |
20080221480 | Biopsy Sample Storage - A biopsy device may be used to obtain and store multiple tissue samples. The device permits the tissue samples to be stored in a sequenced fashion within a generally transparent tissue storage chamber disposed at a proximal end of the biopsy device. The tissue samples can be stored on flexible tissue sample strips arranged around the circumference of a rotating vacuum manifold disposed within the chamber. | 2008-09-11 |
20080221481 | VACUUM ASSISTED BIOPSY NEEDLE SET - A needle set for a biopsy device is disclosed. The needle set includes an outer member, a cylinder lumen within said outer member, an inner member having a cannula and an inner lumen. The inner member is slidably disposed within the cylinder lumen. The biopsy device also includes a cylinder seal member that is disposed within the cylinder lumen and a cannula seal member attached to the outer surface of the cannula. The cylinder seal member and the cannula seal member define a vacuum chamber therebetween. | 2008-09-11 |
20080221482 | STEERABLE TIP FOR FLEXIBLE RODS - Various steerable tips may be used with flexible rods to move the tips through a wide assortment of cavities. In one embodiment, a steerable tip is constructed of a rigid tip body having a proximal end, a distal end and a plurality of radially extending fins. Also, at least one of the fins defines a surface through which extends at least one through hole. Also, a proximal connector is operably coupled to the proximal end of the tip body, and the proximal connector is adapted to couple the tip body to a rod. A distal connector is operably coupled to the distal end of the tip body. This permits other accessories to be coupled to the tip. | 2008-09-11 |
20080221483 | Hand assisted laparoscopic seal assembly with a ratchet mechansim - A seal assembly for permitting hand assisted laparoscopic procedures includes a seal cap having a seal positioned within a housing. The housing includes a lower seal ring having a track which supports an upper seal ring for relative rotational motion, wherein the seal is supported between the upper seal ring and the lower seal ring for rotation between an open orientation and a closed orientation. The track includes an inner upstanding annular wall and an outer upstanding annular wall connected by a base member. A ratchet mechanism controls motion of the upper seal ring relative to the lower seal ring. The ratchet mechanism includes a ratchet arm oriented to engage a ratchet surface and the ratchet surface is positioned between the inner upstanding annular wall and the outer upstanding annular wall. | 2008-09-11 |
20080221484 | Method and a dual-array transducer probe for real time mechanical imaging of prostate - The present invention relates to a transrectal probe and method for real time mechanical imaging of a prostate. The probe is equipped with dual-array pressure sensors—one on the probe head and another on the shaft of the probe spaced away from the head with an angular and linear offset forming an S-shaped transition between the shaft and the head of the probe. The addition of the shaft pressure sensor array together with orientation tracking sensors allows precise calculation of the current head position throughout the examination of the prostate. Display means are used to guide the user in the proper manipulation of the probe in order to reduce the forces on surrounding tissues and organs and to minimize patient's discomfort. | 2008-09-11 |
20080221485 | Device and Method for Determining at Least One Characteristic Point of Joint to be Orthopedically Measured - The invention relates to a device for determining at least one characteristic point of a joint which joins together two limbs and is to be measured orthopedically, said device comprising a first coupling element which may be positioned on a first limb adjoining the joint, a second coupling element which may be moved relative to the first coupling element and may be positioned on a second limb adjoining the joint, and a measuring device for determining the position of the first coupling element relative to the second coupling element. This device provides that the measuring device has at least one reference point rigidly connected to one of the first and second coupling elements, and also has a reference point detection device rigidly connected to the respective other of the first and second coupling elements, the reference point detection device detecting a plurality of positions of the reference point relative to the reference point detection device during a movement of the first and second limbs with respect to one another and determining therefrom the at least one characteristic point. | 2008-09-11 |
20080221486 | SELF-POWERED VIBRATION SENSOR - An apparatus, system, and method for monitoring vibration using a self-powered vibration sensor, a programmable interactive device, and a remote server. The self-powered sensor is capable of transforming vibrations into equivalent RF pulses, which are recorded and manipulated by the programmable interactive device. The programmable interactive device communicates the RF pulses to the remote server for further analysis, processing, and feedback. These interactions result in an objective monitoring of the vibration, which provides corrective feedback for beneficial transformation of behavior. The corrective feedback may be provided on a programmable interactive device such as a mobile phone, PDA, etc. | 2008-09-11 |
20080221487 | METHOD FOR REAL TIME INTERACTIVE VISUALIZATION OF MUSCLE FORCES AND JOINT TORQUES IN THE HUMAN BODY - A method and system are provided for the visual display of anatomical forces, that system having: a motion capture system; a computer, receiving data from said motion capture system; and a computational pipeline disposed on said computer; that computational pipeline being configured to calculate muscle forces and joint torques in real time and visually display those forces and torques. | 2008-09-11 |
20080221488 | METHOD FOR MONITORING LIVING BODY ACTIVITIES, AND OPTICAL FIBER TYPE FLAT SHAPED BODY SENSOR, GARMENT STYLED OPTICAL FIBER TYPE FLAT SHAPED BODY SENSOR AND HUMAN BODY FITTED OPTICAL FIBER TYPE FLAT SHAPED BODY SENSOR USED FOR THE SAME - A living body monitoring activity system detects major activities, or feeble living body activities. In a method for monitoring existence of human movements or living body activities in living environments (e.g., sleeping activities involving a bed, a Futon-mat, a pad, or a Tatami-mat), an optical fiber type flat shaped body sensor including an optical fiber affixed or fitted to a flat shaped body is used, and light is emitted into the optical fiber from a light source, and changes of polarized wave conditions of light propagating in the optical fiber are brought about by changes in form of the optical fiber type flat shaped body sensor caused by human movements or living body activities and are detected by a measuring apparatus for polarized wave fluctuations so human activities or movements are discriminated based on the detected value of the polarized wave fluctuations. | 2008-09-11 |
20080221489 | Personal sonic massage device and method - A personal massage system includes first and second audio transducers mounted in and coupled to a housing in a spaced-apart and opposing fashion. The first and second audio transducers are energized to produce corresponding first and second sonic waves that radiate towards one another and interact between the first and second audio transducers. | 2008-09-11 |
20080221490 | METHOD AND APPARATUS FOR REPAIR OF INTERVERTEBRAL DISCS - A method of repairing an intervertebral disc of a patient's body includes identifying a target area of the intervertebral disc. An ultrasound generator is placed proximate the target area and outside the patient's body. An area temperature at the target area is monitored. Ultrasonic energy is generated with the ultrasound generator within a predetermined energy range. The ultrasonic energy is adjusted in response to the area temperature exceeding a predetermined temperature range. An apparatus for repairing an intervertebral disc of a patient's body is also provided. | 2008-09-11 |
20080221491 | METHOD AND SYSTEM FOR COMBINED ENERGY THERAPY PROFILE - A method and system for treating tissue with a combined therapy profile is disclosed. In one exemplary embodiment, ultrasound energy is used to treat numerous depths of tissue within a region of interest and the spatial and temporal properties of the ultrasound energy are varied for more effective treatment. The method and system of the present invention are configured to treat all of the tissue from the surface on down and not spare intervening tissue. | 2008-09-11 |
20080221492 | Exercise stand and active/passive pedalling device - An active and passive motion device for therapeutic exercise of upper and lower extremities, in the form of a pedaling device for therapy of leg and associated articulations. The device comprises a combination exercise stand and active/passive pedaling device that enables users with and/or without motor skills to remain generally stationary and seated in a chair or wheel chair and use their legs to actively pedal the device or have their legs moved by the pedaling device. Disclosed in an aspect thereof is an improved ankle strap sandal for use in such therapy. A lift enables the pedaling device to be vertically positioned relative to the wheelchair user when atop the support stand. | 2008-09-11 |
20080221493 | APPARATUS FOR ALTERING THE BODY TEMPERATURE OF A PATIENT AND ADMINISTERING DECOMPRESSION TO THE PATIENTS TORSO - Apparatus for altering the body temperature of a patient and administering decompression to a patient's torso includes an upper member for overlying the patient's torso. The upper member has at least one inlet for directing heat transfer liquid into direct liquid contact with the patient's torso to promote heat transfer between the patient's torso and the heat transfer liquid. A decompression device is adapted for securement to the upper member for use in at least decompressing the patient's torso with the upper member interposed between the decompression device and the patient's torso. The upper member is configured to facilitate decompression of the patient's torso upon operation of the decompression device to apply a decompressive pressure to the upper member. | 2008-09-11 |
20080221494 | Soft tissue massage device - A device for massaging soft tissue of an individual when positioned between such soft tissue and a predetermined surface. The massage device includes a spherical member made from a first predetermined material and having each of a first predetermined diameter and a predetermined weight for rolling over such soft tissue. There is a rope member made from a second predetermined material and having each of a second predetermined diameter and a predetermined length. The rope member is connected to the spherical member for encircling a pre-selected body part. Finally, a mechanism is engageable with the rope member for adjusting tightness thereof around such pre-selected body part such that the spherical member is affixed tightly against such soft tissue to be massaged. | 2008-09-11 |
20080221495 | Blood pump system user interface alarm management - User interfaces for medical perfusion systems that provide oxygenation, filtering, and recirculation of blood in connection with various medical procedures are provided. In particular, user interfaces for use with blood pumps that assist in managing alarms commonly encountered during cardiopulmonary bypass surgeries are provided. | 2008-09-11 |
20080221496 | Machine for Extracorporeal Blood Treatment - In a machine for extracorporeal blood treatment, a syringe pump ( | 2008-09-11 |
20080221497 | Use of Arginine and Like Substances and methylglyoxal and Like Substances in Dialysis Machines - A kidney dialysis filter based on arginine attached to a cellulose polymer or a chitin polymer or a dendrimer polymer (or other nonsoluble carrier polymer—large enough that they will not go from dialysis machine to patient by going through the filtration membrane or by dissolving and entering the blood stream of the patient—or a non-biological oligomer), a kidney dialysis machine using the filter, and a method of producing the filter by, for example, attaching an arginyl grouping or moiety to a cellulose polymer or a chitin polymer or a dendrimer polymer (or other nonsoluble carrier polymer or a non-biological oligomer as mentioned above), can all be used to help prevent biological damage which might be caused by toxic carbonyl containing compounds and/or dicarbonyl containing compounds. | 2008-09-11 |
20080221498 | Extracorporeal Circulator - An extracorporeal circulator comprising a line for extracting blood from a patient, a pump for supplying blood, an artificial lung section performing gas exchange on blood, a line for supplying blood passed through the artificial lung section to the patient, a unit for removing bubbles mixed into the blood, a controller for controlling the flow rate of blood being supplied such that bubbles are not fed to the patient, and a line for detouring blood delivered from the blood pump to return it to the blood pump. | 2008-09-11 |
20080221499 | TRANSDUCER PROTECTOR - A transducer protector (TP) and a method for forming the transducer protector are disclosed. The transducer protector is operable in cooperation with a hemodialysis system, and may be mounted between a drip chamber and a pressure transducer. The transducer protector is mounted in an integrally-assembled housing which includes an inlet from the hemodialysis system or drip chamber, and an outlet to the pressure transducer. The transducer includes at least one hydrophobic membrane that is attached permanently to either a first connector, a second connector or a peripheral ring, the connectors integrally attached to each other to form the TP housing. | 2008-09-11 |
20080221500 | Implant having MEMS Flow Module with Movable, Flow-Controlling Baffle - Various embodiments of MEMS flow modules that may be disposed in a flow path ( | 2008-09-11 |
20080221501 | Systems and Methods for Reducing Intraocular Pressure - The present invention provides systems and methods for reducing intraocular pressure, thereby to treat glaucoma and other disorders. The systems of the present invention include a shunt insertable across the clear cornea and a delivery device for inserting the shunt in the transcorneal position. The shunt has a body with a head at one end and a foot at the opposite end, and a channel therethrough permitting the passage of aqueous humor from the anterior chamber to the external surface of the cornea. A removable filter is positioned within the channel to regulate aqueous humor outflow and to resist the incursion of microorganisms. | 2008-09-11 |
20080221502 | Absorbent Tampon Providing Clean Digital Insertion - A tampon has a generally uniform fiber distribution along its length, an insertion end, a withdrawal end, and a longitudinal axis. A finger recess having a depth of at least about 5 mm is formed into the withdrawal end. Nonetheless, a column strength of at least about 10 Newtons (N) can still be achieved. The tampon can be formed by winding an absorbent fibrous web around a winding mandrel; transferring the blank into a press; inserting a forming mandrel into one end of a tampon blank while the tampon blank is positioned in the press; moving a plurality of press jaws toward a central longitudinal press axis to compress the tampon blank and to form a compressed tampon having a finger recess formed into the one end of the tampon; and ejecting the compressed tampon from the press. | 2008-09-11 |
20080221503 | Method of treating diseases - A method of treating diseases includes of acting on an organ which has an unhealthy inclusion, and using for the acting on the organ which has an unhealthy inclusion a pressure which deviates from a normal pressure for the inclusion. | 2008-09-11 |
20080221504 | APPARATUS AND METHOD FOR TREATING TISSUE - An apparatus and method used for medical and/or cosmetic treatment of a tissue, such as skin tightening, skin laxity and/or wrinkle reduction and or other skin flaws, including an energy source, a vacuum chamber and rollers which may facilitate easy sliding of the apparatus from one treated area to another. The rollers may also prevent excessive friction of the skin during the treatment. The energy source can be configured to emit energy based on the position of the apparatus on the skin (i.e., the position of the rollers), as well as the pressure within the vacuum chamber. The vacuum level and energy emission can be changed or pulsed based on the treatment regime. | 2008-09-11 |
20080221505 | Expandable Blade Device for Stabilizing Compression Fractures - A medical device and method of using the device to reinforce and stabilize a compressed tissue is disclosed. The medical device is inserted into the tissue, typically a vertebral bone, cuts the tissue inside, and then a binding cement is injected into the pulped tissue without removing the tissue. The medical device is designed to disrupt and pulp the tissue without exerting a compressive force against the walls by using thin blades that buckle away from the core, and by rotating the blades while expanding/contracting the blades at the same time. | 2008-09-11 |
20080221506 | SMALL VESSEL ULTRASOUND CATHTER - An ultrasound catheter adapted for accessing small vessels in the distal anatomy is disclosed. The ultrasound catheter comprises an elongate tubular body formed with a delivery lumen. The flexibility and dimensions of the tubular body allow access to the distal anatomy by advancement over the guidewire. An ultrasound radiating member is provided along the distal end portion of the tubular body for emitting ultrasound energy at a treatment site. A drug solution may also be delivered through the delivery lumen and out an exit port to the treatment site. | 2008-09-11 |
20080221507 | Systems and Methods for Nasal Irrigation - Systems and methods for nasal irrigation are provided in which a nasal irrigation device includes a source of saline solution, an effluent receptacle, a nasal interface, a vacuum source, a fluid passageway to communicate the source of saline solution with the effluent receptacle through the nasal interface and a nasal cavity of the user, and a switch and valve assembly for selectively controlling the vacuum source and flow of the saline solution through the fluid passageway. The saline solution source bottle is disposed relative to the device to provide gravitational inducement of saline solution to the nasal interface in engagement to the device user's nostrils. A combination of the gravitational inducement and the relative vacuum from an effluent receptacle generates a fluid flow for irrigating, cleansing and massaging the nasal cavity and ostia of a user. The entire device is assembled as a hand-held device for convenient lifting and disposal against the user's nostrils. | 2008-09-11 |