Method of blood viscosity determination

Details Method of blood viscosity determination Method of blood viscosity determination

1975-05-22

1976-12-28

Oechsle, Anton O.

Surgery

Truss

Perineal

128 2F, 73393, A61B 502

Patent

active

039995380

ABSTRACT:
A method of determining blood viscosity of blood in the body. Venous pressure in a body vein is maintained at a constant pressure. Blood is then withdrawn from the vein at a constant pressure for a time period and the volume of blood withdrawn is determined, to obtain an indication of blood viscosity when in the body. The time period can be constant and the blood volume is then proportional to body blood viscosity. Alternately a predetermined volume of blood is withdrawn and the time period is measured and is proportional to blood viscosity in the body. Preferably a three-way valve is incorporated into a system comprising a needle, syringe and vacuum gauge to enable withdrawal of blood at a predetermined negative pressure so that blood viscosity can be obtained rapidly and inexpensively.

REFERENCES:
patent: 3730168 (1973-05-01), McWhorter
patent: 3785772 (1974-01-01), Coggeswall
patent: 3834372 (1974-09-01), Turney

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