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6106466 |
Automated delineation of heart contours from images using reconstruction-based modeling
A method for defining a three-dimensional surface of at least a portion of a patient's heart, based on data obtained by ultrasound imaging of the heart. The imaging is carried out over at least one...
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6106517 |
Surgical instrument with ultrasound pulse generator
A surgical instrument comprising a probe for insertion into the body of a host and for manipulating the tissues of the host, the probe including an ultrasound transducer element for locating and...
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6106471 |
Procedure for an examination of objects by the means of ultrasound waves
The invention describes a procedure for the examination of objects by the means of ultrasound waves whereby a volume-of-interest is scanned by a 3D-ultrasound-probe by moving a transmitter/receiver...
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6106467 |
Apparatus for ultrasonic diagnosis with variable frame rate
An apparatus for ultrasonic diagnosis uses a probe to transmit ultrasonic waves to different focusing steps and to received reflected waves from target positions for diagnosis, controlled by a...
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6106469 |
Method and apparatus for reducing undesired multiple-echo signal in ultrasound imaging
First 1-sound-line received signals are successively generated from an output signal of a transducer. One is selected from among the generated first 1-sound-line received signals as a 1-sound-line...
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6108572 |
Method and apparatus for harmonic imaging using multiple focal zones
A method and apparatus for performing harmonic imaging. Each transmit focal zone in the near-field is interrogated by two or more transmit firings of different phase, while each transmit focal zone...
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6106465 |
Ultrasonic method and system for boundary detection of an object of interest in an ultrasound image
An ultrasonic method and system for boundary detection of an object of interest in an ultrasound image is provided. One ultrasound imaging system that is provided acquires an ultrasound image from...
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6106462 |
Ultrasonic diagnostic apparatus
Disclosed is a celiac diagnostic apparatus in which the characteristics of a filter for filtering a wave reflected by a tissue inside an object are made steep, and an ultrasonic wave capable of...
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6106470 |
Method and appartus for calculating distance between ultrasound images using sum of absolute differences
A method and apparatus for calculating the inter-slice spacing in a data volume and registering the slices of that volume using SAD calculations. The resulting transformed data volume is then...
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6106468 |
Ultrasound system employing a unified memory
An ultrasound system incorporating the invention includes a front end that converts ultrasound backscatter signals to lines of digital data values. Those data values are then fed, under control of...
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6102861 |
Method and apparatus for three-dimensional ultrasound imaging using surface-enhanced volume rendering
In performing for three-dimensional ultrasound imaging of an object from any angle relative to the plane of acquisition, a human body is scanned to acquire multiple images forming a data volume....
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6102858 |
Method and apparatus for three-dimensional ultrasound imaging using contrast agents and harmonic echoes
A method and an apparatus for displaying three-dimensional images of ultrasound data having improved segmentation. This is accomplished by harmonic imaging. There are two types of harmonic imaging:...
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6102860 |
Ultrasound transducer for three-dimensional imaging
An ultrasound transducer assembly for use in a phased array ultrasound imaging system includes an array of ultrasound transducer elements having a two-dimensional transmitting and receiving surface...
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6102859 |
Method and apparatus for automatic time and/or lateral gain compensation in B-mode ultrasound imaging
A method and an apparatus for automating time-gain compensation (TGC) and lateral-gain compensation (LGC) based on the B-mode image data. The automatic gain adjustments are aimed at equalizing the...
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6099472 |
Ultrasonic diagnostic system using a nonlinearity of an examined body with respect to propagation of ultrasonic wave
An ultrasonic diagnostic system includes a transducer. A first electric drive signal is fed to the transducer. A second electric drive signal is fed to the transducer at a time different from a...
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6099471 |
Method and apparatus for real-time calculation and display of strain in ultrasound imaging
An ultrasound system and method for calculation and display of strain velocity in real time is disclosed. Strain velocity may be determined from tissue velocity. Tissue velocity determined by...
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6099473 |
Method and apparatus for analyzing an ultrasonic image of a carcass
The present disclosure teaches a system for analyzing ultrasonic image that provides an output of a measurement of muscle width from an ultrasonic image input of an outline of a muscle from an...
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6095976 |
Method for enhancing an image derived from reflected ultrasound signals produced by an ultrasound transmitter and detector inserted in a bodily lumen
A device and method for intravascular ultrasound imaging. A catheter including ultrasonic apparatus is introduced into and may be moved through a bodily lumen. The apparatus transmits ultrasonic...
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6095978 |
Method of manufacturing an ultrasonic probe and the ultrasonic probe and an ultrasonic imaging apparatus
In order to reduce the impedance of an ultrasonic transducer array, an ultrasonic probe is provided in which a plurality of holes 34 are disposed running in the thickness direction of a...
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6095977 |
Method and apparatus for color flow imaging using Golay-coded excitation on transmit and pulse compression on receive
A method and an apparatus for improving the signal-to-noise ratio (SNR) and/or resolution in color flow ultrasound imaging by using complementary-coded excitation of the transducer array. The SNR...
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6086537 |
System for reducing speckle in full motion ultrasound image data by filtering across physiologic cycles
Speckle is reduced in full motion ultrasound image data representing anatomic structures which have periodic physiological motion. Echoes produced from transmission of ultrasound energy into a...
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6084407 |
System for measuring tissue size and marbling in an animal
A computerized system scans an animal using Magnetic Resonance Imaging (MRI) to produce digital pixel values representing internal tissue. The pixel values are coded as gray scale values...
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6083168 |
Ultrasound imaging system and method for improving resolution and operation
An ultrasound system and method are provided for improving resolution and operation. The system applies different imaging parameters within and outside a region of interest in an ultrasound image...
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6077226 |
Method and apparatus for positioning region of interest in image
A method and apparatus for adjusting the shape of a region of interest (ROI) in a frame of imaging data in response to an operator-actuated change in the depth of the ROI. The displayed image has a...
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6074347 |
Method and apparatus for controlling acoustic signal bandwidth in an ultrasonic diagnostic imaging system
An ultrasonic imaging system includes a receive beamformer that generates analog receive signals and a scan converter. A receive signal processing path interconnects the receive beamformer and the...
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6074348 |
Method and apparatus for enhanced flow imaging in B-mode ultrasound
A method and apparatus for ultrasonically imaging flow directly in B mode employs a sequence of pulses transmitted to a transmit focal position, with the backscattered signals from this sequence...
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6071240 |
Method and apparatus for coherence imaging
A method and an apparatus for adaptively suppressing incoherent data in a coherent imaging system. A focused ultrasound beam is transmitted with conventional transmit beamforming time delays. The...
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6068597 |
Vibrational resonance ultrasonic Doppler spectrometer and imager
A system is disclosed for performing vibrational resonance ultrasonic Doppler spectrometry to produce characteristic vibrational resonance spectra of soft structures in compressible media or soft...
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6066098 |
Method for enhancing the diagnostic power of ultrasonic scanning systems by using real-time spectral maps, and device operating by said method
A method of analyzing an ultrasonic signal is described. The method is characterized in that the ultrasonic signal (f(t)) is sampled and digitized and in that a discrete wavelet transform is...
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6059730 |
Ultrasonic diagnosis apparatus including a phase difference computing unit
To achieve a high resolution, by modifying a delay time distribution of received waves with correlation computations between signals from adjacent elements and by removing influences of...
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6059728 |
Three-dimensional ultrasound imaging system and probe
The invention is a linear transducer array having an axis of rotation parallel to the long axis of the array. Accordingly, each transducer element is analogous to the single transducer of the...
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6059729 |
Method and apparatus for edge enhancement in ultrasound imaging
A method and an apparatus for enhancing edges in computer-generated images. Each image frame is divided into non-overlapping blocks of pixels. Each block is characterized by a value proportional to...
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6059727 |
Method and apparatus for composition and display of three-dimensional image from two-dimensional ultrasound scan data
A 3D image data set representing a volume of material such as human tissue is created using speckle decorrelation techniques to process successive 2D data slices from a moving, standard 1D or 1.5D...
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6056691 |
System for collecting ultrasound imaging data at an adjustable collection image frame rate
Ultrasound imaging data is collected at an adjustable collection image frame rate. Echoes produced from transmission of ultrasound energy into a subject's body are processed by an image frame...
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6056693 |
Ultrasound imaging with synthetic transmit focusing
Ultrasound imaging of biological tissue using synthetic transmit focusing is performed by forming a combined echo signal at a target range from two transmit events: one with the focal point located...
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6056692 |
Apparatus and method for locating and marking blood vessels
A device for non-invasively locating and marking blood carrying vessels in a live human body includes a housing having a control panel for user selection of functions, a central processing unit...
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6053869 |
Ultrasound diagnostic apparatus and ultrasound image processing apparatus
By scanning a cross-section of an inside of a subject through an organ of interest with an ultrasonic wave it is possible to generate tissue cross-sectional data relating to the cross-section and...
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6050945 |
Ultrasound front-end circuit combining the transmitter and automatic transmit/receive switch with agile power level control
An ultrasound front end circuit (2000) which includes a multiple winding transformers (N1, N2, N3, N4) to accomplish both transmit pulse generation and transmit/receive switching. An additional set...
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6048312 |
Method and apparatus for three-dimensional ultrasound imaging of biopsy needle
A method and an apparatus for three-dimensional ultrasound imaging of a needle-like instrument, such as a biopsy needle, inserted in a human body. The instrument is visualized by transmitting...
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6048311 |
Method and apparatus for ultrasound imaging using adaptive gray mapping
A method and an apparatus for improving the contrast of the displayed image data in a B-mode ultrasound imaging system. An adaptive gray mapping is based on the actual raw imaging data instead of...
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6048317 |
Method and apparatus for assisting a user in positioning an ultrasonic transducer
An imaging system incorporating the invention includes a transducer for scanning an imaging beam through a region of interest (ROI) which includes a structure or function to be imaged on a display,...
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6048313 |
Method and apparatus for fractal-based enhancement of ultrasound imaging
A method and an apparatus for increasing the contrast resolution of computer-generated images using fractal enhancement techniques. Each image frame is divided into blocks of pixels which are...
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6047601 |
Self-tuning crystal notch filter
A self-tuning crystal notch filter suitable for rejecting a carrier signal in a receiver channel of a receiver of an ultrasound imaging system. The crystal notch filter has a resonant frequency...
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6048314 |
Automated measurement and analysis of patient anatomy based on image recognition
Methods and apparatus are provided for measurement and analysis of patient anatomy with an ultrasound imaging system which generates an ultrasound image of a region of a patient and provides...
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6045506 |
Ultrasonic imaging method and apparatus for adjusting transmitted power levels
An ultrasonic imaging system adjusts transmitted power level as a function of steering angle to provide a substantially constant insonification intensity index at a given range over a number of...
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6045507 |
Method and apparatus for adaptive color flow optimization
An ultrasound color flow imaging system is programmed to operate in an adaptive manner. The operational adjustments are made based on the system gain setting or the transmit packet size or both....
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6039691 |
Kinetic acoustic ocular examination apparatus and method
Soft tissue examination apparatus and method employ an ultrasonic transducer system for generating a series of ultrasound pulses, at least one of which is of sufficiently high intensity to induce...
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6036643 |
Ultrasonic harmonic doppler imaging
An ultrasonic diagnostic imaging system and method are described by which a fundamental frequency signal is transmitted into the body and harmonic (nonlinear) echo returns are received from the...
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6036646 |
Method and apparatus for three dimensional ultrasound imaging
A method and apparatus for medical diagnostic ultrasound imaging that utilizes a one, one and one-half or two dimensional scanhead for performing three dimensional imaging. The method and apparatus...
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6027446 |
Pubic arch detection and interference assessment in transrectal ultrasound guided prostate cancer therapy
Transrectal ultrasound is used for accurate planning and targeting of placement of radioactive seeds by needles into the prostate in transperineal prostate brachytherapy. The pubic arch formed by...
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