Artificial heart valve

Details Artificial heart valve Artificial heart valve

1983-10-07

1987-04-28

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

046611061

ABSTRACT:
A heart valve having a disc (10) pivotally mounted within a ring (14) by means of pairs of projections (16, 18 and 20, 22) carried by the ring. The disc and ring are arranged so that the blood flows through the valve as the disc moves relative to the ring reduces the likelihood of blood clot formations, in turn, reducing the likelihood of thrombosis.

REFERENCES:
patent: 3476143 (1969-11-01), Kaster
patent: 3698018 (1972-10-01), Shiley
patent: 3824629 (1974-07-01), Shiley
patent: 4057857 (1977-11-01), Fettel
"Pressure Drop and Velocity Fields at Four Mechanical Heart Valve Prostheses: Bjork-Shiley Standard, Bjork-Shiley Concave-Convex, Hall-Kaster and St. Jude Medical", by Bruss et al., Life Support Systems (1983), 1,3-22.

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