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Prosthetic valve that permits retrograde flow

  • US 20040225352A1
  • Filed: 03/10/2004
  • Published: 11/11/2004
  • Est. Priority Date: 03/12/2003
  • Status: Active Grant
First Claim
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1. An implantable medical device that provides a valve for regulating fluid flow through a body vessel, comprising:

  • a support frame having radially compressed and radially expanded configurations; and

    at least one leaflet having first and second edges and being moveable between a first position that permits said fluid flow in a first direction and a second position that substantially prevents said fluid flow in a second, opposite direction, the first edge attached to the support frame and the second edge being free of the support frame;

    wherein a portion of the support frame and the second edge of the at least one leaflet cooperatively define an opening that permits a controlled amount of fluid flow in the second, opposite direction.

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