Surgical retractor and blood flow monitor

Details Surgical retractor and blood flow monitor Surgical retractor and blood flow monitor

1986-11-04

1988-11-15

Coven, Edward M.

Surgery

Truss

Pad

128691, 128 20, A61B 502, A61B 1702

Patent

active

047841508

ABSTRACT:
A surgical retractor instrument which incorporates therein a blood flow monitor. A surgical retractor system is disclosed for manipulation of living tissues and/or organs during diagnostic and/or surgical procedures, providing for the monitoring of the presence or absence of blood flow in the tissue adjacent thereto. The surgical retractor incorporates a surgical retractor blade, which can be of any conventional or desired design or physical shape, depending upon the intended use thereof. The pressure end of the retractor blade is designed with fiber optics for directing light (specifically IR) having predetermined spectral characteristics related to blood onto the adjacent tissues and/or organs. The retractor blade is also designed with receiving fiber optics for receiving light which is directed at and reflected from the tissues and/or organs. A signal processor is coupled to the light receiving optics for monitoring the signal received therefrom to direct the presence or absence of blood flow through the adjacent tissues and/or organs, thereby preventing and minimizing ischemic damage therein.

REFERENCES:
patent: 3605726 (1971-09-01), Williams et al.
patent: 3769974 (1973-11-01), Smart et al.
patent: 4263900 (1981-04-01), Nicholson
patent: 4414980 (1983-11-01), Mott
patent: 4597030 (1986-06-01), Brody et al.
patent: 4619249 (1986-10-01), Landry

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