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POLYMER HEART VALVE WITH HELICAL COAPTION SURFACE

  • US 20020082687A1
  • Filed: 12/21/2000
  • Published: 06/27/2002
  • Est. Priority Date: 12/21/2000
  • Status: Active Grant
First Claim
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1. A heart valve comprising:

  • a body;

    a plurality of flexible leaflets attached to the body, each leaflet including a top portion and a bottom portion;

    the bottom portion being a surface defined as a cylinder having an axis, a radius and an axial section;

    a first section of the top portion being a surface defined by a first arc having a first radius swept along a first helix, the first helix being a right handed helix having the same radius and axis as the cylinder; and

    a second section of the top portion being a surface defined by a second arc having a second radius swept along a second helix, the second helix being a left handed helix having the same radius and axis as the cylinder.

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