Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors
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United States of America Patent
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Oct 17, 1989
Issued Date -
N/A
app pub date -
Oct 3, 1986
filing date -
Mar 8, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fiber optical fiber fluid flow measuring device is provided for in vivo determination of blood flow in arteries. The device includes a fiber optical fluid differential pressure measuring device having at least one optical fiber sensor which optical fiber sensor is positioned in the blood flow passage in a restricted flow area. The fiber optical differential pressure fluid sensor is connected to a divided interferometer associated with an opto-electronic demodulator which has an output signal representing the differential pressure in the sensed area. The device also has utility in industrial applications.
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