High-resolution three, dimensional ultrasound imaging device
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Apr 24, 1996
filing date -
Apr 24, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acoustic imaging device for providing an image of a body in a medium, includes a plurality of acoustic transmit elements and a plurality of acoustic receive elements, an apparatus for activating one of the transmit elements to generate an ultrasonic signal, an apparatus to selectively receive and record from each of the receive elements a set of data representing a phase, amplitude and transit time of the ultrasonic signal, a first computing apparatus for calculating a velocity map of propagation velocity values in each of a plurality of volume elements including the body and the medium using the data set, and a second computing apparatus for calculating a reflectance map, including a coherent sum of reflectance values at selected points in the plurality of volume elements using the data set.
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