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Artificial valve

  • US 20040230297A1
  • Filed: 06/22/2004
  • Published: 11/18/2004
  • Est. Priority Date: 04/03/2002
  • Status: Active Grant
First Claim
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1. A medical device, comprising:

  • a first frameless membrane having a first membrane sealing surface; and

    a second frameless membrane having a second membrane sealing surface, the first frameless membrane and the second frameless membrane implantable in a body lumen and deformable between a first position under antegrade fluid flow and a second position under retrograde fluid flow, where in the second position the first membrane sealing surface and the second membrane sealing surface meet to resist fluid flow.

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