Probe for optical sensor

Details Probe for optical sensor Probe for optical sensor

1989-08-22

1991-10-22

Howell, Kyle L.

Surgery

Truss

Pad

A61B 500

Patent

active

050585878

ABSTRACT:
An optical sensor probe for emitting light into blood and detecting light reflected by the blood, having one end of a first light transmitting member brought into contact with blood flowing through a conduit, and capable of emitting light into the blood in the conduit by introducing the light into the first light transmitting member from the other end thereof. Part of the light emitted into the blood by the first light transmitting member and reflected by the blood is introduced into the second light transmitting member from one end of the same in contact with the blood and is transmitted to a light detecting device. The end of the second light transmitting member is disposed in a side wall of the conduit at a predetermined distance from the end of the first light transmitting member in contact with the blood.

REFERENCES:
patent: 3068742 (1962-12-01), Hicks, Jr. et al.
patent: 4166961 (1979-09-01), Dam et al.
patent: 4201471 (1980-05-01), Pitt et al.
patent: 4253448 (1981-03-01), Terada
patent: 4444498 (1984-04-01), Heinemann
patent: 4561779 (1985-12-01), Nagamune et al.
patent: 4710025 (1987-12-01), Wyatt et al.
patent: 4740709 (1988-04-01), Leighton et al.
patent: 4917491 (1990-04-01), Ring et al.

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