Limb blood flowmeter
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United States of America Patent
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-
May 27, 1980
Grant Date -
N/A
app pub date -
Apr 21, 1978
filing date -
Sep 7, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A human limb to be examined is pressurized on the side of the heart to occlude the venous return alone for the measurement of admittance of the limb, and the measured initial admittance is retained and compared with subsequently measured admittance to detect a difference .DELTA.Y therebetween. The blood resistivity .rho., the length L of the limb segment to be examined and its tissue volume V.sub.O are respectively set, and .rho.L.sup.2 .DELTA.Y/V.sub.O is computated. The initial gradient of the computation result to time is indicative of the blood flow rate in the limb being examined.
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