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6552841 |
Ultrasonic imager
An imaging system is disclosed which can provide images of received acoustic energy. In one embodiment, a transducer emits an acoustic beam which is reflected off of an acoustic beam splitter onto...
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6547732 |
Adaptive image processing for spatial compounding
Spatially compounded images are produced by combining signals from different look directions as a function of the received echo signals. In one embodiment the combinational processing of the echo...
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6547733 |
Ultrasound imaging apparatus and method using Golay codes with orthogonal property
Ultrasound images are obtained using a set of Golay codes with orthogonal property as ultrasound receiving and transmitting signals. Ultrasound signals having a plurality of codes are transmitted...
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6544184 |
Imaging with reduced artifacts for medical diagnostic ultrasound
Line synthesis avoids artifacts from differences in collateral destruction of contrast agent. Data representing a plurality of scan lines is received in response to each transmit event....
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6544179 |
Ultrasound imaging system and method having automatically selected transmit focal positions
An ultrasound imaging system includes an ultrasound scanhead coupled to an image processor that causes ultrasound images to be generated on the viewing screen of a display. The image processor...
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6544186 |
System and method for diagnostic imaging
An imaging system and method provides for the automatic leveling of a hologram detector system. A detector system must be precisely oriented in a proper predetermined orientation. The present...
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6540683 |
Dual-frequency ultrasonic array transducer and method of harmonic imaging
An ultrasonic transducer, method, and system are disclosed for performing ultrasonic harmonic imaging in a medium or a living body. The ultrasonic transducer consists of a linear array of...
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6540682 |
Portable, configurable and scalable ultrasound imaging system
A portable, configurable and scalable ultrasonic imaging system uses a phased ultrasonic transducer array coupled to a portable, configurable and scalable ultrasonic processor to develop ultrasonic...
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6537217 |
Method and apparatus for improved spatial and temporal resolution in ultrasound imaging
A method is provided to simultaneously acquire two ultrasound images. A first set of ultrasound pulses are transmitted at a first frame rate utilizing a first mode of operation. The echoes from the...
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6537218 |
Medical diagnostic imaging system and method for adaptive interline delay and transmit power
A medical diagnostic ultrasonic imaging system analyzes receive signals generated by the system to adaptively set the interline delay and/or the transmit power to optimize frame rate while reducing...
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6537219 |
Static focus ultrasound apparatus and method
An ultrasound system that utilized a transducer assembly having elements distributed in two dimensions in conjunction with a beamformer that, for each beam to be formed, samples the output of each...
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6537220 |
Ultrasound imaging with acquisition of imaging data in perpendicular scan planes
An ultrasonic imaging array has two independent, interleaved linear subarrays occupying a common array face. The subarrays are independently steerable and focusable in different imaging planes. The...
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6530886 |
Method and apparatus for measuring subcutaneous fat using ultrasonic wave
Disclosed is a method for measuring subcutaneous fat using an ultrasonic wave, comprising a step of measuring a portion of an abdomen on a median line of a person under test. The present invention...
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6527723 |
Variable multi-dimensional apodization control for ultrasonic transducers
Variable multi-dimensional apodization control for an ultrasonic transducer array is disclosed. The variable multi-dimensional apodization control is applicable to both piezoelectric based...
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6516667 |
Ultrasonic harmonic signal acquisition
An ultrasonic diagnostic imaging system receives echo signals from a transducer for digital processing and image formation. An analog to digital converter converts the analog echo signals to...
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6514206 |
Simultaneous fundamental and harmonic ultrasonic imaging
An ultrasonic diagnostic imaging system and method are described for performing fundamental frequency and second harmonic frequency imaging simultaneously. Transmit bursts are employed which...
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6514205 |
Medical digital ultrasonic imaging apparatus capable of storing and reusing radio-frequency (RF) ultrasound pulse echoes
A storing method of a RF ultrasound pulse echo and a medical digital ultrasonic imaging apparatus capable of re-using the stored RF ultrasound pulse echo store and focus each RF ultrasound pulse...
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6508770 |
Aperture compounding for medical imaging
Speckle is reduced by compounding data associated with different aperture positions. The data is responsive to transmission and reception along the same scan lines. The data is detected and then...
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6508769 |
Ultrasonic image processing method and examination system for displaying an ultrasonic color-coded image sequence of an object having moving parts
An ultrasonic image processing method includes acquiring ultrasonic signals related to an object having moving parts in a medium; constructing an ultrasonic grayscale 2-D image sequence...
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6503199 |
Uniform volumetric scanning ultrasonic diagnostic imaging system
An ultrasonic diagnostic imaging system and method are described for more uniformly scanning a volumetric region for 3D ultrasonic imaging. An image plane of steered scanning beams is rotated about...
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6497661 |
Portable ultrasound diagnostic device with automatic data transmission
A portable ultrasound diagnostic device dynamically collecting diagnostic data from a patient and, once the portable ultrasound diagnostic device determines that collecting the diagnostic data is...
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6494842 |
Ultrasound receive beamforming apparatus using multi stage delay devices
By using a novel structure of a beamformer which produce data for multiple receive scanlines in a time multiplexed manner, the size of the delay memory is reduced. An ultrasound receive beamforming...
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6494841 |
Medical diagnostic ultrasound system using contrast pulse sequence imaging
A medical diagnostic ultrasound imaging method fires a sequence of pulses into a body and then receives, beamforms, weights and sums the resulting echo signals to suppress first order echoes. The...
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6491633 |
Medical diagnostic ultrasound system and method for contrast agent image beamformation
A method and system for contrast agent image beamformation is provided. The acoustic energy of transmit beams is spread laterally to reduce contrast agent destruction. For example, a smaller...
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6491634 |
Sub-beamforming apparatus and method for a portable ultrasound imaging system
A sub-beamforming method and apparatus are applied to a portable, one-dimensional ultrasonic imaging system. The sub-beamforming circuitry may be included in the probe s assembly housing the...
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6478741 |
Transmission of optimized pulse waveforms for ultrasonic subharmonic imaging
An optimized pulse waveform is used to excite contrast microbubbles such that the subharmonic signal may be easily isolated for imaging. By reducing the contribution of transmitted fundamental...
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6471650 |
Three dimensional ultrasonic diagnostic imaging with high density hexagonal acquisition
An ultrasonic imaging method and apparatus are described for imaging the coronary arteries of the heart. The vascular system is infused with an ultrasonic contrast agent. A volumetric region of the...
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6464638 |
Ultrasound imaging system and method for spatial compounding
An ultrasound imaging system is provided along with a method for spatially compounding a plurality of ultrasound images in an elevation dimension. The ultrasound imaging system and method reduce...
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6450962 |
Ultrasonic diagnostic methods and apparatus for generating images from multiple 2D slices
A method and systems for obtaining 2D ultrasound images. The methods may comprise the steps of receiving ultrasonic information from a volumetric region of a body, volume scan converting the...
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6443897 |
Refraction delay error correction using agile beamformer
A method and an apparatus for correcting refraction delay errors on curved probes for all ranges using cordic rotation. The angle φ from the normal of an element to the focus is determined as a...
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6436045 |
User controlled destructive waveform routine for ultrasound systems
An ultrasound system with a transducer that transmits ultrasound signals based on a plurality of parameters in response to a control device that, upon activation in a first imaging mode, adjusts at...
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6436047 |
Aperture configurations for medical diagnostic ultrasound
A method and system for obtaining ultrasound data is provided. Different aperture techniques are used for transmit than on receive. The various techniques include synthetic aperture, shorting...
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6436048 |
Ultrasonic diagnostic imaging system with scanhead elevation beamforming
An ultrasonic imaging method and apparatus are described for imaging the coronary arteries of the heart. The vascular system is infused with an ultrasonic contrast agent. A volumetric region of the...
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6438258 |
Ultrasound image processing employing non-linear tissue response backscatter signals
A method for processing ultrasound signal samples obtains enhanced images of a body structure through use of both harmonic and fundamental image processing. The method includes the steps of first...
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6432056 |
Ultrasonic diagnostic imaging system with high frame rate synthetic transmit focus
An ultrasonic diagnostic imaging system is provided which produces scanlines with synthesized transmit foci at a high frame rate of display. Beams are transmitted and received which have different...
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6425870 |
Method and apparatus for a motorized multi-plane transducer tip
An ultrasonic phased array imaging transducer device is provided which includes a flexible sealing membrane disposed within a housing so as to divide the housing into a wet chamber and a dry...
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6416477 |
Ultrasonic diagnostic systems with spatial compounded panoramic imaging
A method and apparatus are described which produce spatially compounded panoramic ultrasonic images by electronically steering beams in a plurality of different look directions as a transducer is...
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6409669 |
Ultrasound transducer assembly incorporating acoustic mirror
An ultrasound transducer assembly includes an acoustic mirror, an ultrasound transducer positioned to direct a scanned ultrasound beam at the acoustic mirror, wherein the scanned ultrasound beam is...
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6390980 |
Spatial compounding with ultrasonic doppler signal information
An ultrasonic diagnostic imaging system and method are described which perform spatial compounding of tissue motion or flow information. The resultant images not only reduce speckle artifacts, but...
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6383139 |
Ultrasonic signal processor for power doppler imaging in a hand held ultrasonic diagnostic instrument
A hand held ultrasonic instrument is provided in a portable unit which performs both B mode and Doppler imaging. The instrument includes a transducer array mounted in a hand-held enclosure, with an...
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6379304 |
Ultrasound scan conversion with spatial dithering
An ultrasound imaging system includes a scan conversion process for converting ultrasound data into a standard display format conversion and can be performed on a personal computer by programming...
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6374674 |
Ultrasonic diagnostic apparatus
An ultrasonic diagnostic apparatus wherein a three dimensional space is scanned by ultrasonic beams and echo signals are received simultaneously in parallel to produce ultrasonic information....
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6375618 |
Enhanced tissue-generated harmonic imaging using coded excitation
In performing tissue-generated harmonic imaging using coded excitation, the transmit waveform for acquiring the N-th harmonic signal is biphase (1,−1) encoded using two code symbols of a code...
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6360027 |
Multiple ultrasound image registration system, method and transducer
An ultrasonic imaging system includes an ultrasonic transducer having an image data array and a tracking array at each end of the image data array. The tracking arrays are oriented transversely to...
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6352509 |
Three-dimensional ultrasonic diagnosis apparatus
A three-dimensional ultrasonic diagnosis apparatus has a feature that: transmits ultrasonic beams three-dimensionally to a diagnostic site including a left ventricle of the heart in a subject being...
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6346079 |
Method and apparatus for adaptive frame-rate adjustment in ultrasound imaging system
A method and an apparatus for dynamically optimizing the frame rate as a function of an estimate of the target motion. First, the target motion is estimated, and then this estimate is used to...
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6344023 |
Ultrasonic diagnostic imaging system
A nonlinear distortion-based ultrasonic diagnostic imaging system displays a raised-resolution video of tissue inside a body at an increased frame rate. Using a two-pulse technique, a transducer...
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6340348 |
Contrast agent imaging with destruction pulses in diagnostic medical ultrasound
The invention is directed to improvements in diagnostic medical ultrasound contrast agent imaging. In a preferred embodiment, high pulse repetition frequency (HPRF) destruction pulses are fired at...
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6322509 |
Method and apparatus for automatic setting of sample gate in pulsed doppler ultrasound imaging
A method and an apparatus for automatically initializing and adjusting the Doppler sample gate position and size settings based on actual vessel image data. A vessel segment search method employs...
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6315726 |
Ultrasonic diagnosis apparatus
In an ultrasonic diagnosis apparatus, the circuitry is divided into two parts, that is, first and second units which are connected with a cable. The first unit includes a trigger signal generation...
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