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6013032 |
Beamforming methods and apparatus for three-dimensional ultrasound imaging using two-dimensional transducer array
An ultrasound imaging system includes a two-dimensional array of ultrasound transducer elements that define multiple subarrays, a transmitter for transmitting ultrasound energy into a region of...
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6004270 |
Ultrasound system for contrast agent imaging and quantification in echocardiography using template image for image alignment
A difference image processing scheme and contrast-only difference image processing scheme is provided for imaging anatomic structures or vessels which have periodic physiological motion that define...
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6001061 |
Ultrasonic measurement apparatus
At a measuring time, when at least one desired measurement category is selected from among a plurality of measurement categories associated with an ultrasonic image, at least one measurement item...
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6001062 |
Slewing bandpass filter for selective passage of time varying acoustic signals
An ultrasound imaging system with a slewing bandpass filter is disclosed for selective passage of time varying acoustic signals. The acoustic signals represent artifacts of reflection of tissue and...
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5993392 |
Variable compression of ultrasonic image data with depth and lateral scan dimensions
An ultrasonic diagnostic imaging system processes echo information signals by means of a dynamic range map for displayed signals which is varied automatically throughout the image to control the...
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5989189 |
Ophthalmic ultrasound imaging
A system for producing visual representation of eye structures that includes an ultrasonic transducer, a processor, and a display device. The processor translates electronic signals received by the...
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5984870 |
Method and system for the automated analysis of lesions in ultrasound images
A method and apparatus for the computerized automatic analysis of lesions in ultrasound images, including the computerized analysis of lesions in the breast, using gradient, gray-level, and texture...
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5979457 |
Ultrasonic floatation-enhanced body imaging system
"Methods and apparatus for producing enhanced ultrasound images of portions of the human body while utilizing the beneficial effects of floatation are disclosed." Although the method is especially...
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5976088 |
Ultrasound imaging systems and methods of increasing the effective acquisition frame rate
Ultrasound imaging data obtained from anatomic structures which have periodic physiologic motion that define successive physiologic cycles is packaged into image loops. Each image loop includes...
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5976086 |
Ultrasonic diagnostic apparatus and filter to obtain sequential frames of image data
There is provided an ultrasonic diagnostic apparatus in which transmission of ultrasonic waves into the subject and reception of the ultrasonic waves reflected within the subject are repeatedly...
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5977538 |
Optoacoustic imaging system
An optoacoustic system comprises an optoacoustic transducer including a first array of acoustic transducers and a second array of optical fibers; an acoustic subsystem for controllably exciting at...
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5971924 |
Ultrasonic diagnostics apparatus
The interior of a subject to be examined is scanned with an ultrasonic wave through an ultrasonic probe. Original image data is created based on a signal obtained. The original image data is...
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5971925 |
Broadband phased array transducer with frequency controlled two dimensional aperture capability for harmonic imaging
An ultrasonic transducer array for harmonic imaging including an ultrasonic transducer array having a plurality of transducer elements, each of said transducer elements having a first surface and a...
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5964706 |
Method and apparatus for pulsed doppler imaging using coded excitation on transmit and pulse compression on receive
A pulsed Doppler technique uses coded excitation on transmit and pulse compression on receive. Coded excitation allows a long transmit pulse to be compressed on receive such that most energy is...
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5961461 |
Method and apparatus for adaptive B-mode image enhancement
A method and an apparatus for adaptively enhancing the B-mode image during post-detection image processing in an ultrasound imaging system. A low pass filter which smooths out speckle and a high...
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5959678 |
Ultrasound image management system
An image management system for use in conjunction with an ultrasound machine. The system comprises an input port coupled to the ultrasound machine for receiving the video output signal generated...
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5957941 |
Catheter system and drive assembly thereof
A system (2) includes broadly a catheter assembly (6) and a drive assembly (4). The catheter assembly includes a hollow sheath (20) housing a connecting element, typically a drive cable (22), with...
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5954653 |
Method and apparatus for automatically enhancing contrast in projected ultrasound image
A method and an apparatus for automatically adjusting the contrast of a projected ultrasound image. An ultrasound scanner collects B-mode images in a cine memory, i.e., for a multiplicity of...
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5951479 |
Method and apparatus for synthetic transmit aperture imaging
An ultrasound imaging system uses a synthetic transmit aperture method with prefocused subapertures. The transmit aperture is divided into several subapertures. Transmission is done sequentially on...
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5951478 |
Two pulse technique for ultrasonic harmonic imaging
Apparatus and methods are disclosed for the detection and imaging of ultrasonic harmonic contrast agents. The harmonic echo effect is detected through alternate polarity acquisition of harmonic...
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5935068 |
System and method for improving ultrasound image contrast by amplitude compression of ultrasonic wavefront signals
A wavefront compensation technique which approaches the performance of Inverse Filtering while demonstrating adequate stability and signal to noise ratio. The spectrum amplitude is compressed in...
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5935070 |
Method and apparatus for delaying ultrasound signals
An ultrasound beamformer that processes the signals of an array transducer includes a plurality of processing channels, one for each element of the active transducer array. Each channel includes a...
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5935069 |
Ultrasound system and method for variable transmission of ultrasonic signals
An ultrasound system and method for variable transmission of ultrasonic signals are presented. With this method and system, ultrasonic beams can be transmitted into a region in response to a...
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5934288 |
Method and apparatus for displaying 3D ultrasound data using three modes of operation
A method and an apparatus for allowing the operator of an ultrasound imaging system to switch between two-dimensional slices and three-dimensional projections in such a way that it is easy for the...
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5931784 |
Ultrasonic diagnostic apparatus
The present invention is directed to an ultrasound diagnostic apparatus which can display a superimposed picture of both B-mode and color flow mode images without loosing information of either...
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5928151 |
Ultrasonic system and method for harmonic imaging in three dimensions
An ultrasound method and system are provided for producing three dimensional images. During an imaging session, a transducer, in response to a transmit beamformer, transmits ultrasonic energy at a...
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5924986 |
Method and system for coherent ultrasound imaging of induced, distributed source, bulk acoustic emissions
A method and system for coherent ultrasound imaging of induced, distributed source, bulk acoustic emissions. First, bulk acoustic emissions are induced from distributed sources within an object...
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5924989 |
Method and device for capturing diagnostically acceptable three-dimensional ultrasound image data records
A method and apparatus for generating a diagnostically usable three-dimensional image data set is disclosed. The ultrasonic images generated from an ultrasonic apparatus are supplied to an image...
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5921928 |
Acoustic force generation by amplitude modulating a sonic beam
A force is produced within an object by an ultrasonic beam. The frequency of this force is equal to the frequency of a signal used to modulated the amplitude of the beam. The sonic waves produced...
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5919139 |
Vibrational doppler ultrasonic imaging
A system is disclosed for performing vibrational Doppler ultrasonic imaging. A vibrational wave of a first frequency is introduced into an area of a subject to be scanned. An ultrasound signal is...
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5919138 |
Ultrasound imaging system user interface
An ultrasound imaging system user interface is provided. The interface comprises an imaging-parameter-selection domain comprising a plurality of domain locations, each corresponding to a respective...
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5916168 |
Three dimensional M-mode ultrasonic diagnostic imaging system
A three dimensional M-mode imaging system and techniques are described for acquiring and forming three dimensional ultrasonic M-mode images from ultrasonic data acquired over time from a stationary...
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5916169 |
Phased array transducer design and method for manufacture thereof
A phased array transducer and method for the manufacture thereof having a design that allows the array to focus in a near field of interest and a far field of interest. The array includes a...
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5916210 |
Catheter for laser treatment of atherosclerotic plaque and other tissue abnormalities
A medical catheter for treating atherosclerotic plaque and other abnormalities includes optical fibers for applying laser energy to the plaque and an ultrasonic transducer system for sensing the...
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5913823 |
Ultrasound imaging method and system for transmit signal generation for an ultrasonic imaging system capable of harmonic imaging
An improvement to the method for harmonic imaging including the steps of (a) transmitting ultrasonic energy at a fundamental frequency and (b) receiving reflected ultrasonic energy at a harmonic of...
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5911691 |
Ultrasound image processing apparatus and method of forming and displaying ultrasound images by the apparatus
An image processing apparatus can display a tomographic image of an object in a three-dimensional region and a three-dimensional or stereoscopic image, such as a three-dimensional surface image of...
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5910115 |
Method and apparatus for coherence filtering of ultrasound images
A method and apparatus for improving medical ultrasound images employs data-dependent filtering. A quantity, called the coherence factor, is calculated for each pixel in the image. The coherence...
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5910116 |
Ultrasonic diagnostic apparatus that regenerates image signals according to a non-interlace scheme
There is provided an ultrasonic diagnostic apparatus in which ultrasonic waves are transmitted into the subject, the ultrasonic waves reflected within the subject are received to obtain received...
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5908389 |
Ultrasonic diagnostic imaging of harmonic frequencies with speckle reduction processing
An ultrasonic diagnostic imaging system and methods are described which produces ultrasonic images from harmonic echo components of a transmitted fundamental frequency. Preferably, a programmable...
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5902243 |
Ultrasonic imaging method with multiple pulse cancellation
An ultrasound imaging method includes the step of transmitting two ultrasonic transmit pulses into a region. First components of the transmit pulses are inverted with respect to each other while...
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5902242 |
System and method for forming a combined ultrasonic image
An ultrasonic imaging system includes an ultrasonic transducer array having a thinner portion, an intermediate portion, and a thicker portion that extend along an azimuthal direction. This...
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5902241 |
Large-aperture imaging using transducer array with adaptive element pitch control
An adaptive transducer array in which the element pitch is controlled by the imaging system depending on the mode of operation. A multiplicity of transducer elements are connected to a multiplicity...
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5901708 |
Method and apparatus for forming ultrasonic three-dimensional images using cross array
An ultrasonic three-dimensional image formation apparatus forms ultrasonic three-dimensional images from ultrasonic echoes using a cross array including two linear phased arrays. Thus, an...
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5899863 |
Method and apparatus for segmenting B-mode intensity data using doppler shift data in three-dimensional ultrasound imaging
A method and an apparatus for improving the segmentation of a three-dimensional B-mode image by limiting the volume of pixel intensity data projected onto the imaging planes. If the volume of...
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5899999 |
Iterative convolution filter particularly suited for use in an image classification and retrieval system
Apparatus and an accompanying method for an iterative convolution filter for determining an image signature and which is particularly useful in a system for automatically classifying individual...
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5899861 |
3-dimensional volume by aggregating ultrasound fields of view
A 3D field of view ultrasound image volume is derived from correlated frames of ultrasound image data. An operator manually translates an ultrasound probe across a patient target area. Frames of...
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5897500 |
Ultrasonic imaging system and method for displaying composite fundamental and harmonic images
An ultrasonic imaging system and method acquire fundamental mode and harmonic mode ultrasonic image signals from a subject with a transducer. These image signals are then combined to form a...
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5897499 |
Ultrasonic diagnostic apparatus for cursor control
An ultrasonic diagnostic apparatus has a function capable of performing a cursor display suitable to a feeling of handling. A cursor is permitted to move to not only a position in the noticed area...
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5893832 |
Transducer element alignment structure in two-dimensional transducer array for forming ultra-sonic three-dimensional images
A transducer element alignment structure for use with a two-dimensional transducer to form an ultrasonic three-dimensional image performs a three-dimensional scanning by using the smallest number...
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5891037 |
Ultrasonic Doppler imaging system with frequency dependent focus
A method for measuring Doppler ultrasound information transmits a transmit beam having a frequency dependent focus in which low-frequency components of the transmit beam are focused at long ranges...
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