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8180426 |
Method for transforming head surface coordinates to brain surface coordinates and transcranial brain function measuring method using the transformation data
Data collected by a transcranial brain function measuring/stimulating method is accurately projected and displayed onto a brain surface. If there is no three-dimensional head image, data is...
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8172900 |
Microsensor system for application in biomechanics
A sensing system and method to detect and determine magnitude and direction of ciliary body movement within an eye of a patient is disclosed. The invention comprises a permanent magnet (PM)...
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8175368 |
Systems and methods for image segmentation with a multi-state classifier
The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is...
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8170838 |
Simulating two-dimensional periodic patterns using compressed fourier space
The process of modeling a complex two-dimensional periodic structure is improved by selectively truncating the Fourier expansion used in the calculation of resulting scatter signature from the...
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8155726 |
Magnetic detection coil and apparatus for magnetic field measurement
A magnetic detection coil made of a single wire is constructed of one of superconducting and metallic materials. Four second-order differential coils are arranged so that a geometric figure...
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8140145 |
Position detection apparatus and medical-device-position detection system
A position detection apparatus and a medical-device-position detection system that have improved position detection accuracy are provided by setting high amplification for the position detection...
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8135185 |
Location and display of occluded portions of vessels on 3-D angiographic images
A method of finding the location of an occluded portion of a blood vessel relative to a three-dimensional angiographic image of a subject's vasculature includes identifying the location of the...
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8103073 |
Cardiac visualization systems for displaying 3-D images of cardiac voxel intensity distributions with optional physician interactive boundary tracing tools
Physician interactive workstations with global cardiac voxel distribution visualization may also include one or more of a 3-D color scale image of a population of voxel in the heart and/or an...
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8088129 |
Method and apparatus for magnetically controlling motion direction of mechanically pushed catheter
The movement of a catheter through a medium, which may be living tissue such as a human brain, is controlled by mechanically pushing a flexible catheter having a magnetic tip through the medium and...
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8082127 |
Method for determining the spatial distribution of magnetic resonance signals through multi-dimensional RF excitation pulses
A method for determining the spatial distribution of magnetic resonance signals from an imaging area, wherein nuclear spins are excited in a spatially encoded fashion through multi-dimensional RF...
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8062229 |
Methods and devices for measurement and treatment of pain and the treatment of inflammation and osteoporosis
A method for pain treatment and measurement according to various aspects of the present invention generally includes providing an external field to a portion of a living being, wherein the external...
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8060179 |
Biomagnetic detection and treatment of Alzheimer's Disease
SQUID imaging of a subject's head after the subject having been administered superparamagnetic nanoparticles comprising: an iron-containing core, a coating covering the core and a probe molecule...
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8032335 |
Evaluating magnetic resonance spectra
Provided are methods, systems and computer program products evaluating magnetic resonance (MR) signals from a sample. The methods and systems can be used to evaluate MR signals from various...
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8032202 |
Function image display method and device
There are provided a function image display method and device capable of performing analysis of biological function information by acquiring from a single image, information obtained from a...
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8027714 |
Apparatus and method for shaped magnetic field control for catheter, guidance, control, and imaging
A variable magnet system for manipulating a magnetic catheter is described. In one embodiment, a cluster of electromagnets is configured to generate a desired magnetic field. In one embodiment, one...
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8027710 |
Imaging system for endoscopic surgery
An imaging system is provided for use with minimally invasive surgery. The imaging system comprises a platform which is anchored to a wall of a patient cavity. The platform comprises a plurality of...
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8019403 |
Mobile radio transmission unit
The invention relates to a mobile radio transmission unit for transferring data to a control and/or signal processing unit. According to the invention, provision is made for a mobile radio...
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8014846 |
Methods of using magnetic fields to uniformly induce electric fields for therapeutic purposes
The present invention provides a method and apparatus for delivering an electric field to a body by delivering a first magnetic field from a first coil in a first orientation to a body and directed...
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8010178 |
Biomagnetic field measurement apparatus having a plurality of magnetic pick-up coils
A biomagnetic field measurement apparatus capable of easily bringing the sensor planes close to the head surface of the subject and capable of detecting cerebral magnetic fields of the left brain...
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8000767 |
Magneto-optical apparatus and method for the spatially-resolved detection of weak magnetic fields
A detector uses the magneto-optical Kerr effect and exploits the transition region between two magnetization states of a magneto-optical film to detect magnetic fields of less than 100 pT. The...
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7996057 |
Ultrasound catheter calibration with enhanced accuracy
An apparatus for calibration of a probe that includes a magnetic position sensor and an acoustic imaging device has a rigid mechanical framework. One or more field generators, fixed to the...
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7991449 |
Imaging elastic properties of the lung with magnetic resonance elastography
A noble gas is administered to a subject to fill the lungs and magnetic resonance elastography image data is acquired while vibrations are applied to the chest wall. Shear waves are established in...
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7991454 |
Imaging of biological structures
Images of blood vessels of a body are obtained by injecting a refraction enhancement contrast agent into the blood vessels to increase a difference in refractive indices of the blood vessels and...
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7974671 |
Living body information signal processing system combining living body optical measurement apparatus and brain wave measurement apparatus and probe device used for the same
A living body information signal processing system (100) combining organically a living body optical measurement apparatus and a brain wave measurement apparatus, the living body optical...
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7974678 |
Catheter for magnetic navigation
A catheter for magnetic navigation in the human body, has a magnet arranged in the catheter tip in order to move a catheter to the desired position in the body by interaction with an external...
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7957787 |
Method of examining dynamic cardiac electromagnetic activity and detection of cardiac functions using results thereof
A method of examining cardiac electromagnetic activity over a heart for diagnosing the cardiac functions of the heart is disclosed. The method includes collecting a plurality of sets of spatially...
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7933727 |
Method and device for interference suppression in electromagnetic multi-channel measurement
The present invention recognises and eliminates from a biomagnetic measurement signal interferences whose source is disposed in the direct vicinity of an object being measured. The invention...
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7912529 |
Panel-type sensor/source array assembly
A low-density sensor panel assembly system is provided for use with remote marker assemblies that generates a marker signal and for use with a radiation therapy source that generates a radiation...
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7912530 |
Magnetic detection coil and apparatus for measurement of magnetic field
A magnetic detection coil is provided, which includes a plurality of differential coils. Each differential coil is made of one of superconductors and metallic materials. The differential coils...
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7899515 |
Electromagnetic sensors for tissue characterization
A sensor for tissue characterization is provided, comprising: a resonator, configured to be placed proximally to an edge of a tissue for characterization, without penetrating the tissue, the...
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7885702 |
Segmentation of the airway tree using hyperpolarized noble gases and diffusion weighted magnetic resonance imaging
Diagnostic MR images of the lung are segmented to distinguish the airway tree from lung parenchyma. Diffusion weighted images of the lungs are acquired using hyperpolarized gas MRI and a...
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7881760 |
Measuring structure for magneto encephalographic equipment with a superconducting magnetic-shield
A magneto-encephalographic equipment superconducting magnetic-shield comprising a vacuum-tight body comprising an outer enclosure wall, a first inner enclosure wall inserted in the outer enclosure...
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7877128 |
Simulation of invasive procedures
A method for pre-planning and performing a cardiac procedure on a heart includes acquiring an image or map of the heart; displaying the image or map of the heart; marking at least one feature on...
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7863892 |
Multiple SQUID magnetometer
Multiple SQUID magnetometers that include at least two SQUID loops, each of which is composed of at least two Josephson Junctions connected in parallel with superconducting wires, are provided. The...
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7840248 |
Online source reconstruction for eeg/meg and ecg/mcg
In one embodiment, the present invention includes an EEG system comprising of sensors which are utilized to gather an electromagnetic signal from a patient; a signal processing system; and a...
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7838852 |
Medical radiation apparatus
A medical radiation apparatus has a beam source and a deflection apparatus, which can be activated by means of a data processing device according to a radiation schedule generated using a recording...
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7805179 |
Method of examining dynamic cardiac electromagnetic activity and detection of cardiac functions using results thereof
A method of examining cardiac electromagnetic activity over a heart for diagnosing the cardiac functions of the heart is disclosed. The method may include constructing a phase diagram of...
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7805176 |
Exchange-weighted xenon-129 nuclear magnetic resonance system and related method
Method and system that provides, among other things, the capability for using hyperpolarized xenon-129 as a probe to non-invasively and non-destructively characterize important properties of...
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7787931 |
Portable surgical implement detector
Surgical implements used during an operating procedure are detected in human or animal tissue. Markers attached to the surgical implements change their impedance at a preselected frequency in the...
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7783090 |
Automatic identification of the anterior and posterior commissure landmarks
The AC and/or PC landmarks are identified in a midsagittal MRI image by firstly identifying structures in the brain (specifically the fornix and/or brainstem) as groups of pixels in a radiological...
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7778681 |
Method of determining the spatial distribution of magnetic particles
The invention relates to a method of determining the spatial distribution of magnetic particles in an examination zone. According to this method a spatially inhomogeneous magnetic field is...
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7774042 |
Tissue scanner
A three-dimensional thermoacoustic imaging system uses dye markers. Thermoacoustic signals are produced by the dye markers when light from an external source is absorbed by the dye. Thermoacoustic...
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7769424 |
Intercerebral current source estimation method intercerebral current source estimation program recording medium containing the intercerebral current source estimation program and intercerebral current source estimation apparatus
Based on the fact that by causing an appropriate current flow on a virtual curved surface between a current source and an observation surface, an electromagnetic field generated by the current...
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7756566 |
Magnetic resonance imaging for a plurality of selective regions set to object continuously moved
MRI echo data is acquired by performing selective-excitation on regions composed of multi-slices of an object, while the object is moved continuously. The positions of the multi-slices are moved...
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7756564 |
Apparatus for measuring the neuro-magnetic field from a human brain and method for operating the same
The present invention provides a low-noise MEG apparatus of high sensitivity. A MEG apparatus using a magnetic shield of high critical temperature superconductor is set on the floor of a building...
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7747304 |
Arrangement and method for the spatially resolved determination of state variables in an examination area
Examining an object wherein magnetic particles are introduced into at least part of a target area of the object under examination, the target area having a first part with a magnetic field strength...
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7747307 |
Method and system for marker localization
A method and system for locating a source of a signal. The source may be a wireless marker that is implanted in an object, such as a human body. The signal generated by the marker is a magnetic...
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7729740 |
Noise cancellation in magnetoencephalography and electroencephalography with isolated reference sensors
An apparatus measures electromagnetic signals from a weak signal source. A plurality of primary sensors is placed in functional proximity to the weak signal source with an electromagnetic field...
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7715898 |
System and method for employing multiple coil architectures simultaneously in one electromagnetic tracking system
The presently described technology provides a method for simultaneously employing two or more coil architectures in an electromagnetic tracking system. The method includes providing a transmitter...
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7715895 |
Separate local RF transmit and receive coils for breast MRI system
A magnetic resonance imaging system for imaging human breasts, in which the system includes a main magnet providing a static magnetic field, a gradient coil insert received within the internal bore...
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