Miniaturized sensor for physiological pressure measurements
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United States of America Patent
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May 28, 1991
Issued Date -
N/A
app pub date -
Jan 31, 1990
filing date -
Jun 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Miniaturized sensor for physiological pressure measurements in situ, including an elastic sleeve (1) with a diaphragm portion through which the hydrostatic pressure is transmitted as a force acting on a light conductor (2) which is supplied with light from an external source and fixed to a support body (3) such that the hydrostatic pressure variations cause elastic, relative positional variations between the end surface (4) of the light conductor (2) and a light-reflecting surface (5) on the support body (3), which in turn gives rise to variations in reflected light intensity transmitted back through the light conductor (2), to serve as a pressure signal.
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