Pressure sensing catheter

Details Pressure sensing catheter Pressure sensing catheter

1988-11-25

1990-05-15

Sykes, Angela D.

Surgery

Truss

Pad

128667, 128673, A61B 500

Patent

active

049248774

ABSTRACT:
A pressure sensing catheter includes a pressure sensor within the length of a hollow catheter insertable into the human body. The catheter has a surrounding circumferential pressure transmitting membrane that is exposed to the region whose pressure is being measured. The membrane bears against a cantilevered shutter whose excursion into a gap in an optical fiber varies the amount of light transmitted by the fiber as a function of the external pressure.

REFERENCES:
patent: 3686958 (1972-08-01), Porter et al.
patent: 3789667 (1974-02-01), Porter et al.
patent: 4543961 (1985-10-01), Brown
patent: 4611600 (1986-09-01), Cohen
patent: 4711249 (1987-12-01), Brooks

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