Heart valve prosthesis

Details Heart valve prosthesis Heart valve prosthesis

1989-07-31

1991-02-26

Isabella, David J.

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

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

049958810

ABSTRACT:
A heart valve prosthesis, the inner surface of the valve ring of which continuously narrows in flow direction, is provided with a special manner of supporting the closing members. The valve ring is provided with sector-shaped recesses into which a respective oblong journal pin of the closing member extends. In the opening and closing movement, the journal pin sweeps the bottom of the recess like a windshield wiper. Thus, a formation of thrombi in the vicinity of the bearings is prevented.

REFERENCES:
patent: 4326304 (1982-04-01), Klawitter
patent: 4799930 (1989-01-01), Knoch et al.

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