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7613497 |
Energy transfer amplification for intrabody devices
Apparatus for driving current in a power circuit of a medical device inserted into a body of a subject includes a power transmitter, which is adapted to generate, in a vicinity of the body, an...
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7609061 |
Demagnetized implant for magnetic resonance imaging
A method of operating a magnetic resonance imaging (MRI) system is described. A magnetic element in an implanted medical device is demagnetized by exposing it to an external demagnetizing magnetic...
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7599729 |
Evaluating the urethra and the periurethral tissues
Systems and methods for the evaluation of the urethra and periurethral tissues may involve an MRI coil adapted for insertion into the male, female or pediatric urethra. The MRI coil may be in...
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7587230 |
Method 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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7580739 |
System for detecting position of capsule endoscope in subject
A system includes a device swallowed, passing through a subject, and including a constant magnetic field generator generating a constant magnetic field; and a position transducer. The position...
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7580737 |
Method and apparatus for determining treatment for stroke
A method and apparatus for evaluating acute stroke patients and for determining whether a stroke patient will benefit from the use of thrombolysis therapy includes obtaining measurements of the...
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7555329 |
Method and apparatus for quantifying pharyngeal residue
A method and apparatus for quantifying pharyngeal residue and aspiration of a patient by x-ray imaging of the patient's head and neck to produce a baseline image, applying an initial volume of...
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7535228 |
Sensor array for nuclear magnetic resonance imaging systems and method
The present invention generally provides improved devices, systems, and methods for measuring materials with NMR and/or MRI. Exemplary embodiments provide a sensor array for NMR mapping of the...
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7505803 |
System or method for examining a patient by means of an imaging medical diagnostic equipment
In order to enable patient data to be reliably taken into account in a simple manner for examination by means of an imaging medical diagnostic equipment of a patient positionable on a table top of...
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7502720 |
Method and device for using a multi-channel measurement signal in source modelling
A method for interpreting the current distribution of an object being measured using basis vector components calculated from the measured signals. The components in question have been so selected...
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7489128 |
MRI protector
An MRI protector for protecting personnel and the MRI apparatus from the introduction of ferrous articles into the magnetic field of the MRI has an array of Hall effect sensors oriented to scan the...
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7477053 |
Detection of electromagnetic fields
Method and apparatus for detecting or analyzing chemical reactions, such as an enzyme reaction, and other events in which electron translation is accompanied by photon emission utilizing a...
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7432705 |
Magnetic shields and instruments for measuring biomagnetic fields
There is provided a magnetic shield which can shield external magnetic fields in the direction of an axis of a tubular magnetic shield and in the direction vertical to the axis. A magnetic shield...
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7412275 |
Susceptometer for non-invasive iron level measurement in a body
A susceptometer for non-invasive determination of iron concentration in a body, by detecting the magnetic flux variation produced by the body. The susceptometer comprises a heat insulating case (...
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7406451 |
Method for training neural networks
The invention relates to a system and a method for training a number of neural networks, by determining a first training data record, wherein the training data have a particular accuracy,...
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7403809 |
Biomagnetic field measuring method and apparatus
A biomagnetic field measuring apparatus has a plurality of fluxmeters disposed externally of a living body and each including a superconducting quantum interference device (SQUID) for detecting a...
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7400984 |
Biomagnetic measurement apparatus
A biomagnetic measurement technique which can obtain a potential waveform corresponding to a ventricular muscle cell action potential in a non-invasive manner. The biomagnetic measurement apparatus...
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7395107 |
Magnetocardiograph
In magnetocardiography, an assisting technique for a doctor diagnosing a heart disease will be provided. In the magnetocardiography, magnetism to be generated from a subject's heart is measured by...
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7363070 |
Biomagnetic measurement apparatus
Disclosed herein is a biomagnetic measurement apparatus capable of visualizing cardiac electrical current distributions with information on the cardiac morphology of a subject. A magnetic field...
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7340289 |
Biomagnetic field measuring apparatus
A biomagnetic field measuring apparatus for performing (1) processes for removing a magnetic field waveform generated by a maternal heart from a waveform of a biomagnetic field measured, (2)...
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7338436 |
Implantable cardiac physical motion mapping device
An elastic framework configured to be positioned around a portion of the heart has a plurality of first regions and a plurality of second regions positioned relative to the first regions. The...
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7280861 |
Diagnosis and classification of disease and disability using low frequency magnetic field designed pulses (Cnps)
The invention is directed to the use of magnetic field designed pulses for the diagnoses and classification of severity of disease states and disability in humans and animals.
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7197352 |
High-resolution magnetoencephalography system, components and method
According to certain embodiments of the present invention, there is provided a mounting arrangement for a magnetoencephalography (MEG) system headrest assembly forming a portion of a SQUID dewar...
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7158754 |
Electromagnetic tracking system and method using a single-coil transmitter
Certain embodiments of the present invention provide a system and method for electromagnetic tracking using a single-coil transmitter. The system includes a single coil transmitter emitting a...
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7146207 |
Health administration apparatus
A health administration apparatus 10 is provided, which is capable of dispensing with a troublesome measuring operation such as to wrap a tape measure or the like around a part of concern of a...
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7130675 |
High-resolution magnetoencephalography system and method
According to certain embodiments of the present invention, there is provided a magnetoencephalography and method employing a portable cart having a SQUID dewar mounted in an inverted manner...
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7047059 |
Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens
A probe instrument using room-temperature sensor(s) that can measure variations in magnetic susceptibilities. The instrument has sufficient resolution to monitor paramagnetic materials in a human...
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7035698 |
System for controlling medical imaging equipment motion
A system including a user input device for controlling a position of medical equipment is described. In an example embodiment, the user input device is configured to be coupled to the medical...
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7002341 |
Superconducting quantum interference apparatus and method for high resolution imaging of samples
A method and apparatus performs high resolution imaging. The disclosed apparatus includes a low temperature SQUID sensor mounted in close proximity to a dewar thin window. A radiation shield has an...
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6965792 |
Susceptometers for foreign body detection
Methods and apparatus for minimizing the effects of temperature drift in a magnetic susceptibility measurement instrument, such as an instrument used in pre-MRI screening for the presence of...
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6949926 |
Biomagnetic measurement apparatus
A biomagnetic measurement apparatus having functions to detect the release of a magnetic field lock in a SQUID fluxmeter operation circuit due to the influence of a much greater noise level than...
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6876196 |
Determining a position of objects in a predetermined coordinate system
The invention relates to a method and device by means of which the location and position of an object may be determined in relation to another object by electromagnetic signals. In the arrangement...
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6865494 |
Method and apparatus for noise tomography
The subject invention pertains to an imaging technique and apparatus which can utilize an array of RF probes to measure the non-resonant thermal noise which is produced within a sample, such as a...
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6856823 |
Spiral magnetic transmitter for position measurement system
A transmitter consists of a plurality of magnetic transmitters, each of which is substantially planar and made of a spiral shaped conductor. The result is a transmitter having a substantially...
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6842637 |
Magnetic field measurement apparatus
A magnetic field measurement apparatus includes a plurality of magnetometers each having SQUID's and three detection coils, one of which detects each of three orthogonal directional magnetic field...
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6815949 |
Apparatus for measuring a magnetic field
An apparatus can detect a magnetic field with a high sensitivity using an ordinary-temperature pickup coil even when the pickup coil is arranged outside a cryostat. Specifically, the apparatus for...
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6806864 |
Operating device for influencing displayed information
An operating device for influencing medical image information items displayed at a display surface with a movable operating element has a motion acquisition system for quantitatively determining...
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6784663 |
Self-adjusting assembly and method for close tolerance spacing
A self-adjusting assembly and method are disclosed. In the disclosed embodiments, a support assembly for supporting a device comprises a pair of support members for supporting the device. One of...
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6745063 |
Biomagnetic field measuring apparatus
A biomagnetic field measuring apparatus includes a plurality of SQUID magneto-meters for measuring a biomagnetic field generated from a living body, living-body signal measuring devices and for...
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6731968 |
Magnetically shielded room with internal active magnetic field cancellation, and its use
An apparatus includes an enclosure having a wall defining an interior of the enclosure and having a layer of a magnetically permeable material disposed such that there is no layer of an...
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6704594 |
Magnetic resonance imaging device
An imaging probe and method and an MRI system utilizing the same are presented. The probe comprises first and second magnetic field sources, and a receiver of NMR signals. The first magnetic field...
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6697660 |
Method for functional brain imaging from magnetoencephalographic data by estimation of source signal-to-noise ratio
An improved method, termed “statistical synthetic aperture magnetometry” (SSAM) of transforming magnetoencephalographic (MEG) measurements into corresponding three-dimensional images of the...
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6687525 |
Method and system for diagnosing and treating thalamocortical dysrhythmia
Method and system for diagnosing and treating thalamocortical dysrhythmia. Thalamocortical dysrhythmia occurs when unbalanced neural activity occurs due to the rise of low frequency (approximately...
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6681131 |
Apparatus for measuring bio-magnetic fields
An apparatus for measuring bio-magnetic fields includes a plurality of magnetometers for detecting magnetic fields generated from a live body; a driving circuit for driving the magnetometers; a...
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6665553 |
Biomagnetic field measuring apparatus using squid magnetometers for evaluating a rotational property of a current in a subject
A biomagnetic field measuring apparatus including: a plurality of magnetometers each employing a superconducting quantum interference device for measuring the magnetic field generated from an...
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6665552 |
Gradiometer integrating pickup coils and magnetic field measurement system
A gradiometer integrating pickup coils comprises pickup coils 11 Xp, 11 Xn magnetically connected to a SQUID through associated input coils 2 , and pickup coils 11 Yp, 11 Yn magnetically...
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6628978 |
Biomagnetism measurement device and method of biomagnetism measurement using the device
In the present invention, when measuring magnetism of a measuring portion of a patient by making use of a dewar incorporating magnetism sensors each including a super conducting quantum...
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6615155 |
Object tracking using a single sensor or a pair of sensors
A method and system for tracking a moving object. The object is provided with one or more single-component sensors of a vector field. Generators of the vector field also are provided. Parameters of...
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6609019 |
Physiological magnetic field measuring instrument for measuring magnetic field at plural positions of living body
The present invention, in the physiological magnetic field measuring instrument, recognizes characteristic waveforms (for example, heart beats) repeatedly appearing by physiological activity from...
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6552530 |
Super-toroidal electric and magnetic field generator/detector, and sample analyser and treatment apparatus using same
A field generator/detector including at least one super-toroidal conductor and a device to energize the super-toroidal conductor to generate varying electric and magnetic fields. Where conductor...
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