Cardiac valve prosthesis

Details Cardiac valve prosthesis Cardiac valve prosthesis

1991-08-13

1993-03-30

Frinks, Ronald

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

Heart valve

Having rigid or semirigid pivoting occluder

1375121, 137527, A61F 224

Patent

active

051979802

ABSTRACT:
A cardiac valve prosthesis comprising an annular body housing a closure member in the form of two cusps. The cusps open and close freely and rotate simultaneously around the body axis, checking the forward and reverse blood flows through the prosthesis to simulate the operation of the cardiac valve. To have the operation of the prosthesis resemble that of the natural valve, the lateral surface of at least one cusp is provided with a recess to produce a controlled blood backflow through the prosthesis by causing the blood flow through the prosthesis to swirl.

REFERENCES:
patent: 4274437 (1981-06-01), Watts
patent: 4689046 (1987-08-01), Bokros

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