Surgery – Truss – Pad
Patent
1984-05-17
1986-06-10
Howell, Kyle L.
Surgery
Truss
Pad
128660, 73722, A61B 500
Patent
active
045937036
ABSTRACT:
An improvement in design of an implantable telemetric differential pressure sensing device enabling thinner, more compact, and simplified construction for the device; increased pressure sensitivity and range of measurement; and a wider class of applications for such pressure sensing devices in diagnostic medicine and clinical monitoring. The implanted device includes a thin, planar, closed, conductive loop which moves with a flexible diaphragm, the diaphragm moving upon changes in the difference of two bodily pressures on its opposite sides. The position of the conductive loop relative to a resonant circuit fixed in the device determines the resonant frequency of the resonant circuit. The resonant frequency is detected telemetrically outside the body, and its value is used to determine the difference in the two bodily pressures.
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Birch Richard J.
Howell Kyle L.
Sykes Angela D.
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