Dual ultrasonic transducer probe for blood flow measurement, and blood vessel diameter determination method
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United States of America Patent
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Jan 7, 2003
Issued Date -
N/A
app pub date -
May 18, 2001
filing date -
Nov 18, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dual ultrasonic transducer probe and a method of utilizing the probe to determine a blood vessel diameter are presented. The probe comprises first and second ultrasound transducers whose ultrasound beams intercept at an acute angle, and which can be so disposed relative to a blood vessel's longitudinal axis that both their ultrasound beam axes intercept the blood vessel's longitudinal axis. The blood vessel diameter determination method is based on the creation of a two-dimensional matrix of complex reflection amplitude values for each of the beams along an axis of its propagation.
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