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7611467 |
Method and apparatus for extracting an envelope curve of a spectrogram
A method and apparatus for extracting an envelope curve of a spectrogram, for use in measurement of blood flow velocity by using spectral Doppler techniques, the method comprising steps of:...
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7611464 |
Method for processing Doppler signal gaps
A method for processing Doppler signal gaps may include receiving Doppler signals during Doppler signal acquisition to obtain data of in-phase (I) component and quadrate (Q) component signals of...
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7594890 |
Multi-axial uterine artery identification, characterization, and occlusion devices
A system is provided for compressing one or both of the uterine arteries of a patient which is at least in part shaped to complement the shape of the exterior of the cervix, which allows the system...
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7591787 |
Method for removing Doppler angle ambiguity
A method of measuring blood flow including several steps. In an initial step a first ultrasound beam is oriented in a direction substantially perpendicular to the direction of the blood flow to be...
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7578792 |
Automatic optimization in spectral Doppler ultrasound imaging
Methods and systems for automatic optimization in spectral Doppler ultrasound imaging are provided. The value for one or more spectral Doppler parameter is optimized using numerical optimization...
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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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7563229 |
Method and apparatus for automatically measuring delay of tissue motion and deformation
System and method for automatically measuring the delay of tissue motion and deformation. For example, asynchrony may be measured between the left and right ventricles and within the left...
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7547282 |
Ultrasonic monitor for measuring heart and pulse rates
The invention provides an ultrasonic monitor for measuring pulse rate values in a living subject, including a module with at least one source of ultrasonic energy, a gel pad comprised of a polymer...
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7513871 |
Blood flow analysis system
A portable apparatus for conveying blood flow parameters to a user, the apparatus comprising: a transducer device for providing for Doppler monitoring of flows within a patient; a processing unit...
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7470232 |
Method and apparatus for non-invasive ultrasonic fetal heart rate monitoring
A continuous, non-invasive fetal heart rate measurement is produced using one or more ultrasonic transducer array patches that are adhered or attached to the mother. Each ultrasound transducer...
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7455640 |
Ultrasonic diagnostic apparatus
A tomographic image and a tissue characteristic image that are in conformity with each other in terms of time-phase and positional relationships can be displayed superimposedly, thereby providing...
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7393326 |
Apparatus for screening and diagnosing by dual stethoscopic and Doppler detection
The invention concerns an apparatus for early screening of cardiovascular diseases through dual stethoscopic and Doppler detection with means ensuring coherence between the two types of detection....
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7374744 |
Harmonic ultrasound imaging with microbubbles
A method for ultrasonic harmonic imaging is disclosed, which uses microbubbles particularly selected for their properties of reradiating ultrasound energy at frequencies other than the exciting...
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7351214 |
Steerable balloon catheter
A steerable balloon catheter including a balloon catheter supported by a steerable guidewire having a deflectable distal tip. The guidewire comprises a longitudinal hypotube and a spring coil...
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7343195 |
Method and apparatus for real time quantitative three-dimensional image reconstruction of a moving organ and intra-body navigation
Medical imaging and navigation system including a processor, a medical positioning system (MPS), a two-dimensional imaging system and an inspected organ monitor interface, the MPS including an...
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7338450 |
Method and apparatus for performing CW doppler ultrasound utilizing a 2D matrix array
An ultrasound system is provided comprising an ultrasound probe having a 2D matrix of transducer elements transmitting a continuous wave (CW) Doppler transmit signal into an object of interest. The...
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7289033 |
Wireless sensing washers for imaging device attachment
A computed tomography assembly is provided comprising at least one clamped imaging component and a clamping fastener having a clamping head attached thereto. A load-sensing washer is positioned...
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7217242 |
Ultrasonic method for visualizing brachytheraphy seeds
Methods are provided for enhancing the image of brachytherapy seeds implanted in tissue using a transrectal ultrasound apparatus. In a first arrangement the resonance of the seeds is determined and...
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7211045 |
Method and system for using ultrasound in cardiac diagnosis and therapy
A method and system for estimating the volume of blood ejected from the left ventricle of the heart to a succeeding chamber/conduit, or vice-versa, while imaging the intersection of such structures...
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7207996 |
Doppler directed suturing and compression device and method
A compression and ligation device includes a pair of jaws including one or more Doppler chips oriented to send and receive Doppler signals across the jaws, to assist a practitioner in determining...
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7142904 |
Method and composition for probing the body through the skin
A method and composition for probing the body through the skin. In one embodiment of the invention, the method includes providing a medium for interfacing with the skin, applying the medium to the...
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7141057 |
Doppler directed suture ligation device and method
Exemplary embodiments are directed to providing a method of preparing an anatomical vessel contained within a tissue bundle for ligation, including positioning a cannula adjacent to the tissue...
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7128713 |
Doppler ultrasound method and apparatus for monitoring blood flow and hemodynamics
A pulse Doppler ultrasound system and associated methods are described for monitoring blood flow and hemodynamics. The Doppler ultrasound system includes an ultrasound probe to emit ultrasound...
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7044913 |
Ultrasonic diagnosis apparatus
An ultrasonic diagnosis apparatus comprises an ultrasound probe, a transmitter (including a transmitting pulse generator and a transmitting beamformer), a receiver (including a preamplifier and a...
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7037266 |
Ultrasound methods and implantable medical devices using same
An ultrasound method and medical devices using same provide for various techniques of sampling blood flow velocity, e.g., at several sampling rates. To minimize the energy required for ultrasound...
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7022077 |
Systems and methods for making noninvasive assessments of cardiac tissue and parameters
Systems and methods for noninvasive assessment of cardiac tissue properties and cardiac parameters using ultrasound techniques are disclosed. Determinations of myocardial tissue stiffness, tension,...
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7022078 |
Method and apparatus for spectral strain rate visualization
Methods and apparatus are provided in a diagnostic ultrasound system for generating and displaying strain rate spectrums corresponding to the deformation of a tissue structure within a subject,...
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RE38971 |
Ultrasound diagnostic apparatus and method
According to an ultrasound diagnostic apparatus of the present invention, a cross section of an examining human body having bubbles implanted as ultrasonic shadowing agent is scanned by an...
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6976961 |
Tissue motion analysis medical diagnostic ultrasound system and method
Accurate tissue motion systems and methods are provided. Motion of the ultrasound transducer is accounted for in estimates at tissue motion. Correcting for transducer motion better isolates...
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6937883 |
System and method for generating gating signals for a magnetic resonance imaging system
A magnetic resonance imaging system is disclosed to perform an imaging pulse sequence that acquires data to generate an image of at least a portion of the patient. The magnetic resonance imaging...
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6918875 |
Ultrasound measurement apparatus
An ultrasound wave is transmitted from a probe ( 120 ) to a moving reflector ( 130 ) and the reflected ultrasound wave is received back by the same probe ( 120 ). With n-divided wave bands of the...
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6850576 |
Method and apparatus for reproducing timing, and a demodulating apparatus that uses the method and apparatus for reproducing timing
A base band signal is sampled, based on an asynchronous sampling clocking, to output two sampled data series. A transmission side complex symbol frequency generator generates a complex transmission...
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6813569 |
Assembly and method for a correlator structure
The invention concerns an assembly comprising: (a) means for determining the intensity of a plurality of electromagnetic signals, (b) a correlator for correlating or autocorrelating said signals,...
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6776759 |
Method and apparatus for high strain rate rejection filtering
A method and apparatus is provided for generating and displaying filtered strain rate signals corresponding to tissue structure within a subject in response to complex Doppler signals generated by...
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6740042 |
Bilateral simultaneous doppler measurement of segmented sphygmomanometry
A system and method for simultaneous, bilateral, segmental blood pressure measurement are disclosed. In one illustrative embodiment of the invention, two Doppler modules are configured to operate...
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6733454 |
Automatic optimization methods and systems for doppler ultrasound imaging
Methods and systems are provided for automatic optimization of spectral Doppler ultrasound imaging. One or more of the velocity scale (e.g., pulse repetition frequency), gain, baseline, dynamic...
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6730030 |
Method and apparatus for detecting arterial stenosis
A Doppler ultrasound system automatically and repeatedly scans an area of interest to construct at least one velocity profile through segments of arteries over an area of interest. Each scan...
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6719697 |
Ultrasonic quantification of valvular regurgitant blood flow
Valvular regurgitation is assessed by identifying a characteristic regurgitation jet in a colorflow image. An M-line is placed over the region of regurgitation and Doppler M-mode information is...
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6701341 |
Scalable real-time ultrasound information processing system
An ultrasound information processing system is disclosed in which ultrasound image data is packetized into ultrasound information packets and routed to one or more of a plurality of processors for...
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6695784 |
Ultrasound pulsatility imaging
A method is provided for observing three-dimensional pulsatile activity in a volume of a subject's tissue, which includes activating an ultrasonic probes array ( 25 ) subset portion ( 20 ) having a...
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6685636 |
Ultrasonic tomography apparatus and ultrasonic tomography method
An ultrasonic tomography apparatus has an ultrasonic transmitter for transmitting an ultrasound to an object body; an ultrasonic receiver for receiving ultrasound reflected from an object body and...
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6682488 |
Ultrasound probe with progressive element sizing
A prior application discloses a novel probe geometry that offers a wide field of view in an ultrasonic imaging device. That geometry is referred to as a “thinned array” of transducer elements....
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6677985 |
Ultrasonic video apparatus
An ultrasonic imaging apparatus having a depth range setter 28 for setting a threshold value of detection level for a Doppler signal in an ultrasonic circuit unit 2 , a unit for extracting a...
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6676601 |
Apparatus and method for location and treatment using ultrasound
A method for treating myomas or tumors having a pedicle includes the steps of locating the pedicle of a myoma or a tumor using Doppler echography and delivering focused ultrasound to the pedicle.
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6669642 |
Doppler signal processing apparatus and ultrasonic diagnostic apparatus
For the purpose of removing an effect of window processing in window-processing time-domain Doppler signals, translating them to a frequency domain, and then translating them back to the time...
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6663571 |
Transcranial doppler ultrasound device for odor evaluation
The present invention is related to cerebral blood flow velocity monitoring method and system, specifically a transcranial Doppler device for odor matching and odor selection in canine and human...
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6662043 |
Heart beat coincidence detection
A method of detecting heart beat coincidence includes receiving first and second signals from first and second heart beat sources. The method further includes detecting first heart beat occurrences...
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6652462 |
Ultrasound display of movement parameter gradients
An ultrasound machine is disclosed that displays a color representation of moving structure, such as a cardiac wall tissue, within a region of interest on a monitor. The color representation is...
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6638221 |
Ultrasound diagnostic apparatus, and image processing method
Two-dimensional distribution data of velocities on a moving object in an object to be examined is obtained. A motion field which defines the motion direction of a tissue is stored. A plurality of...
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6631273 |
Method and apparatus for filter selection from a frequency synthesizer data
Modern portable communications units, and in particular cellular telephones, can contain several frequency bands for receiving and several frequency bands for transmitting signals. Typically these...
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