Method of measuring regional tissue blood flow
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United States of America Patent
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Aug 4, 1992
Grant Date -
N/A
app pub date -
Sep 17, 1991
filing date -
Sep 19, 1990
priority date (Note) -
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Abstract
A method of measuring blood flow through tissue in a region of interest including the steps: injecting an ultrasonic tracer into the blood upstream of the region of interest and also upstream of a specified reference region; utilizing the tracer-produced echo intensity function to compute: (i) the mean transit time of the tracer through the region of interest; and (ii) the blood volume within the region of interest; and dividing the results of computation (ii) by computation (i) to produce a quantitative measurement of the blood flow through the tissue in the region of interest.
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