Pressure monitoring devices

Details Pressure monitoring devices Pressure monitoring devices

1987-07-14

1989-02-21

Wayner, William E.

Surgery

Truss

Pad

73705, 250231P, A61B 502

Patent

active

048056308

ABSTRACT:
A probe for monitoring the blood pressure of a patient includes a light reflective diaphragm 4 deformable in response to the blood pressure. A single emitter light guide 10 is arranged off-set from the central axis of the diaphragm 4 and directs light at an off-axis region of the diaphragm. A pair of receiver light guides 8, 12 are arranged one on each side of the emitter light guide 10 so that the axes of the light guides lie in or adjacent the same plane as the center of the diaphragm 4. Each receiver light guide 8, 12 receives light reflected from the diaphragm 4 in accordance with movement of the diaphragm 4.

REFERENCES:
patent: 3215135 (1965-11-01), Franke
patent: 3580082 (1971-05-01), Strack
patent: 4210029 (1980-07-01), Porter
patent: 4547668 (1985-10-01), Tsikos

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