Device for chronic measurement of internal body pressure

Details Device for chronic measurement of internal body pressure Device for chronic measurement of internal body pressure

1988-05-27

1989-07-11

Howell, Kyle L.

Surgery

Truss

Pad

128673, 128903, A61B 500

Patent

active

048461911

ABSTRACT:
Measurement of a physiological pressure is accomplished by placement of a pressure transmitting catheter within a blood vessel or other structure within which pressure is to be measured. The catheter is blood-compatible, capable of withstanding handling during distribution and implantation, and provides adequate pressure transmission frequency response in a variety of applications. The catheter, which includes a hollow flexible tube filled with a low viscosity fluid and having a plug of a gel-like material at its distal end, transmits the pressure signal to a solid-state transducer which is typically connected to amplifying electronics and an implantable radio-transmitter capable of relaying the pressure information from within the body to a radio receiver located external to the body.

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Meindl et al., "Implantable Telemetry in Biomedical Research"; IEEE Trans. on Biomed. Engr.; vol. BME-31, No. 12, 12-1984, pp. 817-823.

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