Artificial heart valve for implantation in a blood vessel

Details Artificial heart valve for implantation in a blood vessel Artificial heart valve for implantation in a blood vessel

1989-04-21

1991-02-19

Green, Randall L.

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

Heart valve

Having rigid or semirigid pivoting occluder

606191, 606194, 137521, 137527, A61F 224

Patent

active

049940775

ABSTRACT:
An artificial heart valve is designed to fit into a blood vessel when a patient is too weak to undergo open heart surgery. The valve has a disk shaped flap valve threaded on a bent wire which may be anchored in a blood vessel. One embodiment uses a clip anchor which is bent into somewhat the shape of a safety pin. Another embodiment uses a STENT as the anchor. The wire snags on the wall of the blood vessel in order to keep the valve from migrating through the blood vessel. The flap valve opens and closes under the pressure of blood which is ebbing and flowing responsive to a pumping heart.

REFERENCES:
patent: 4174913 (1979-11-01), Schliesser
patent: 4580568 (1986-04-01), Gianturco
patent: 4688553 (1987-08-01), Metals
patent: 4727873 (1988-03-01), Mobin-Uddin
patent: 4817600 (1989-04-01), Herms et al.
patent: 4830003 (1989-05-01), Wolff et al.

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