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7591792 |
Electromagnetic sensors for biological tissue applications and methods for their use
Tissue sensors house one or more sensor elements. Each element has a housing mounted substrate and a superstrate with a planar antenna between. A transitional periphery (TP) of a superstrate outer...
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7570063 |
Space-time microwave imaging for cancer detection
Microwave imaging via space-time beamforming is carried out by transmitting microwave signals from multiple antenna locations into an individual to be examined and receiving the backscattered...
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7567200 |
Method and apparatus for body position monitor and fall detect ion using radar
A radar fall detector system. The radar fall detector system includes transmitter and receiver antennae and a signal processor that processes a reflected signal. Doppler analysis of the reflected...
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7454242 |
Tissue sensing adaptive radar imaging for breast tumor detection
A tissue-sensing adaptive radar method of detecting tumours in breast tissue uses microwave backscattering to detect tumours which have different electrical properties than healthy breast tissue....
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7397364 |
Digital wireless position sensor
A method is provided for tracking an object, including positioning a radio frequency (RF) driver to radiate an RF driving field toward the object, and fixing to the object a wireless transponder...
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7340292 |
Breast cancer detection system
A method for detecting breast cancer can include the step of positioning a transmitting antenna and a receiving antenna about a breast so that the transmitting antenna is positioned to transmit...
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7266407 |
Multi-frequency microwave-induced thermoacoustic imaging of biological tissue
A method and system for examining biological tissue includes the steps of radiating a tissue region with a plurality of microwave radiation pulses. The microwave pulses are swept across a range of...
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7263398 |
Apparatus for measuring intravascular blood flow
Microwave apparatus for measuring the blood flow rate in a patient's blood vessel includes an intravascular catheter having proximal and distal ends and containing an inner coaxial cable forming a...
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7197356 |
Microwave detection apparatus
Microwave detection apparatus includes an intravascular catheter containing inner and outer conductors, the distal ends of the conductors forming an antenna at a distal end of the catheter. A gap...
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7164105 |
Non-invasive microwave analysis systems
Non-invasive microwave analysis systems and methods determine scattered phase data for a liquid in a container. A transmitter antenna situated within coupling liquid separated from the container by...
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7089047 |
Fat depth sensor
A non-invasive sensor suitable for measuring the depth of fat in animal tissue is described, the sensor generating and transmitting focussed discrete narrow band microwave signals into the tissue,...
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7010339 |
Hybrid lidar-radar for medical diagnostics
A hybrid lidar-radar system for detecting the presence of objects, such as cancerous tumors, within tissues by detecting reflected signals from the tissue and discriminating the information related...
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6984993 |
Method and apparatus for making high-precision measurements
A method and apparatus for measuring a predetermined parameter, by providing a displaceable sensor on a mounting member such that the displaceable sensor changes in location, form or length with...
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6901281 |
Method of magnetic resonance imaging
The invention provides a method of magnetic resonance imaging of regional blood oxygenation which comprises administering into the vasculature of a vascularized human or non-human animal subject a...
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6849046 |
System and method for detecting the state of hydration of a living specimen
The invention provides a system ( 2 ) for non-invasive detection of the state of hydration in a living specimen, the system including an RF generator/transmitter ( 416 ) for emitting RF radiation...
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6567688 |
Methods and apparatus for scanning electromagnetically-induced thermoacoustic tomography
A microwave-induced thermoacoustic tomography system and method is provided to image biological tissue. Short microwave pulses irradiate tissue to generate acoustic waves by thermoelastic...
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6543933 |
Non-invasive 3-D intracranial thermography system
A microwave thermography apparatus to measure temperatures within a dielectric body comprises a partial ellipsoidal cavity with an electrical conductive surface wherein the body can be located at...
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6490471 |
Electromagnetical imaging and therapeutic (EMIT) systems
A microwave tomographic device including a single frequency three dimensional microwave tomographic system in cooperation with a single frequency three dimensional electrical impedance capable of...
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6377833 |
System and method for computer input of dynamic mental information
A system calibrates a user's brain region (e.g., the primary visual cortex or V 1 region) to actual sensory information (e.g., the visual field), and enables imagined sensory information (e.g.;...
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6332087 |
Electromagnetic imaging and therapeutic (EMIT) systems
The invention is a system and method for non-invasive tomographic spectroscopy of tissue using a plurality of microwave emitter-receivers spatially oriented to the tissue, an interface medium...
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6233479 |
Microwave hematoma detector
The Microwave Hematoma Detector is a non-invasive device designed to detect and localize blood pooling and clots near the outer surface of the body. While being geared towards finding sub-dural and...
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6157697 |
Apparatus using X-rays and measurement of electrical potentials for examining living tissue
In an apparatus for examining living tissue by means of X-rays and by electric impedance measurement, a control device optionally activates an X-ray source and a radiation receiver, and/or for...
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6064903 |
Electromagnetic detection of an embedded dielectric region within an ambient dielectric region
A system for and method of electromagnetically detecting an embedded dielectric region within a target object are provided. The method includes the steps of: (i) selecting a target object including...
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6061589 |
Microwave antenna for cancer detection system
A microwave antenna for use in a system for detecting an incipient tumor in living tissue such as that of a human breast in accordance with differences in relative dielectric characteristics. In...
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5841288 |
Two-dimensional microwave imaging apparatus and methods
The invention provides apparatus and methods for determining electric field properties of an inhomogeneous target. The electric property distribution on a coarse mesh discretization of the target...
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5829437 |
Microwave method and system to detect and locate cancers in heterogenous tissues
A method and system for detecting an incipient tumor in living tissue such as that of a human breast in accordance with differences in relative dielectric characteristics. A generator produces a...
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5807257 |
Breast cancer detection, imaging and screening by electromagnetic millimeter waves
A method for detecting an incipient tumor in living tissue such as that of a human breast in accordance with differences in relative dielectric characteristics. A generator produces a non-ionizing...
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5715819 |
Microwave tomographic spectroscopy system and method
The invention is a system for non-invasive microwave tomographic spectroscopy of tissue using a plurality of microwave emitter-receivers spatially oriented to the tissue, an interface medium placed...
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5482041 |
Medical investigation system and related method
In a medical diagnostic method a patient is supported in a predetermined position and microwave energy is focused on a predetermined target region in the patient to produce a burst of...
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5481196 |
Process and apparatus for microwave diagnostics and therapy
A method and device are disclosed for receiving, analyzing, generating and transmitting microwave electomagnetic radiation in the range of 30 to 300 GHz with spectral power density less than 10 -9 ...
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5460177 |
Method for non-invasive measurement of concentration of analytes in blood using continuous spectrum radiation
Method for non-invasive detection of the concentration of a constituent in blood of a living animal includes the steps of irradiating a body part of the animal with intensity-modulated radiation...
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5448501 |
Electronic life detection system
The invention relates to an electronic life detection system, in particular for the searching for buried persons and the surveillance of buildings, having a microwave transmitting/receiving device...
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4991585 |
Non-invasive respiration and/or heartbeat monitor or the like
A microwave carrier signal is transmitted into certain tissue (such as the thorax) of a patient from an outer one of three linearly-arranged independent elements of an antenna assembly....
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4967751 |
Apparatus and method for monitoring the waveform of cyclic movement within the thorax of an individual
A carrier-frequency signal transmitted through the individual's thorax from a first module to a second module, is modulated at the second module and retransmitted back through the individual's...
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4958638 |
Non-contact vital signs monitor
An apparatus for measuring simultaneous physiological parameters such as heart rate and respiration without physically connecting electrodes or other sensors to the body. A beam of frequency...
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4815479 |
Hyperthermia treatment method and apparatus
A system and associated method that combines microwave detection (radiometry) with microwave heating (hyperthermia) for the treatment of cancer with a microwave radiometric detector is operable...
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4805627 |
Method and apparatus for identifying the distribution of the dielectric constants in an object
A method and apparatus for identifying the distribution of the dielectric constants in an object employ radiation emitted by a microwave transmitter directed at the object, which radiation is...
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4798209 |
Method and apparatus for non-contacting identification of the temperature distribution in an examination subject
A method and apparatus for undertaking a non-contacting measurement of the three-dimensional temperature distribution in a non-uniform examination subject direct microwave radiation at the...
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4674513 |
Active microwave cavity for electron paramagnetic resonance (EPR) apparatus
This disclosure relates to a microwave amplifier (22) having an active X-Band microwave cavity (33) for use in electron paramagnetic resonance (EPR) measurements on large, lossy, irradiated,...
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4642558 |
Miniature electromagnetic field measurement probe
An electromagnetic field measurement probe for measuring an electromagnetic field and providing a corresponding measurement signal to a measurement output. The electromagnetic field measurement...
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4641659 |
Medical diagnostic microwave scanning apparatus
Microwave apparatus for diagnosis of cancer of the breast includes a microwave transmitter and a microwave antenna for directing a microwave signal to the breast under examination, and a microwave...
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4638808 |
Circuit for separating one type signal component from another
A signal component separating circuit is responsive to a signal having a pulsing component and a reciprocating component for providing a signal corresponding to the pulsing component. The circuit...
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4583869 |
Method and apparatus for measuring the temperature of a body in microwaves
To measure the temperature of a sub-surface volume of a body, for example, living tissue, in microwaves, at least two probes are placed on or near the surface of the body to pick up thermal noise...
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4552151 |
Process and means for rapid point by point survey of body scanning radiation field
This invention relates to a process and means for rapid microwave imaging using UHF waves transmitted by an antenna toward a body to be scanned. According to the invention, body O to be scanned is...
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4513748 |
Dual frequency heart rate monitor utilizing doppler radar
A heart rate monitor for use where direct contact with a patient cannot be made utilizes two continuous radio frequency (RF) signals, one of relatively low frequency and one of relatively high...
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4488559 |
Apparatus and method for measuring lung water content
A microwave radiometer for the passive, noninvasive measurement of fluid content in animal bodies. The radiometer system includes a ridged waveguide antenna which is responsive to frequencies in...
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4407292 |
Procedure and apparatus for noncontacting measurement of subcutaneous temperature distributions
A method and apparatus for noncontacting measurement and imaging of subcutaneous temperature distributions for the early detection of tumors. The (black-body) thermal electromagnetic radiation...
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4385634 |
Radiation-induced thermoacoustic imaging
The acoustic wave generated by sudden thermal stress is used to obtain information non-invasively on the composition and structure of the stressed body. One or more acoustic transducers (1 and 1')...
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4344440 |
Microprobe for monitoring biophysical phenomena associated with cardiac and neural activity
A portable microprobe uses 10 gigahertz CW microwave radiation at a power level of less than 10 milliwatts for recording of a number of biophysical phenomena associated with the cardiac and neural...
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4307726 |
Diagnostic evaluation, measurement, and analysis of functional activity in body organs that utilize transmembrane ion polarization and depolarization
Beams of coherent microwaves or other frequencies of highly directional electromagnetic radiation are passed through the living human body to detect and provide a quantitative analysis of...
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