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Method for constructing a heart valve stent

  • US 5,612,885 A
  • Filed: 06/06/1995
  • Issued: 03/18/1997
  • Est. Priority Date: 12/17/1993
  • Status: Expired due to Term
First Claim
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1. A method for constructing a stent for a heart valve, comprising the steps of:

  • creating a stent profile primitive;

    rotating said stent profile primitive about a first axis to create a solid stent blank having inner and outer surfaces;

    creating first and second splines;

    forming a plurality of planes by connecting the intersection of said first spline with said inner surface of said solid stent blank with the intersection of said second spline with said outer surface of said solid stent blank at a plurality of locations displaced angularly along said first axis from each other an equal amount;

    removing the material from said solid stent blank above each of said planes to form posts; and

    filleting said posts to provide a smooth upper surface for each of said posts.

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