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Two piece prosthetic heart valve

  • US 6,176,877 B1
  • Filed: 04/20/1998
  • Issued: 01/23/2001
  • Est. Priority Date: 04/20/1998
  • Status: Expired due to Term
First Claim
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1. A prosthetic heart valve for implantation in a heart, comprising:

  • an outer orifice ring;

    an attachment mechanism comprising at least one helical screw on the outer orifice ring adapted to couple the outer orifice ring to a tissue annulus of the heart;

    an inner orifice ring having an occluding mechanism carried therein; and

    a ring coupling mechanism adapted to couple the outer orifice ring to the inner orifice ring after the outer orifice ring has been coupled to the tissue annulus.

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