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Prosthetic heart valve

  • US 4,275,469 A
  • Filed: 12/13/1979
  • Issued: 06/30/1981
  • Est. Priority Date: 12/13/1979
  • Status: Expired due to Term
First Claim
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1. A prosthetic heart valve comprising a tubular membrane having an inlet end and an outlet end, the inlet end being adapted to be attached about the annulus of the heart, and a substantially seimcircular supporting structure attached to a semicircular section of the outlet end of said tubular membrane and adapted to be attached to the wall of the heart, whereby the remaining section of the tubular membrane at the outlet end remains free and is movable toward and away from the supported portion thereof to close or open the outlet end of the tubular membrane.

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