Cardiac valve prosthesis

Details Cardiac valve prosthesis Cardiac valve prosthesis

1989-11-29

1992-01-14

Shay, Randy C.

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

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

050806688

ABSTRACT:
A cardiac valve prosthesis includes a rotatably mounted, disc-shaped valve flap which is provided with two outwardly oriented, convex attachments disposed opposite one another at the points of intersection of a secant with the edge of the disc. The valve also includes an annular body having on its interior wall first recesses for receiving the convex attachments to thus form a bearing socket for the valve flap. At its interior wall, the annular body is provided with second recesses which communicate with the first recesses to form a passage for the convex attachments during insertion thereof into the first recesses.

REFERENCES:
patent: 3969130 (1976-07-01), Bokros
patent: 4357715 (1982-11-01), Klawitter
patent: 4674434 (1987-06-01), Ishihara
patent: 4719123 (1988-01-01), Haku et al.
patent: 4761302 (1988-08-01), Weil
patent: 4863467 (1989-09-01), Bokros
Bolz, A.; New Coating Materials for Artificial Heart Valves; 1989; pp. 010166.
Bolz, A. and M. Schaldach; Amorphous Semiconducting Coatings for the Improvement of Haemocompatibility; 1988; 6 pages.

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