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Method of forming an intravascular radially expandable stent

  • US 5,161,547 A
  • Filed: 11/28/1990
  • Issued: 11/10/1992
  • Est. Priority Date: 11/28/1990
  • Status: Expired due to Term
First Claim
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1. A method of forming a radially expandable stent for transluminal implantation comprising the steps offorming a continuous length of fine wire into a flat rectangular shaped ribbon containing alternately inverted oval shaped loops with each loop having an opening situated at one edge of the ribbon and an expanded base lying along an opposed edge of said ribbon;

  • closing the opening of each loop;

    winding the ribbon into a tight spiral sleeve with the edges of the ribbon being in close relation to each other and,performing said wire prior to forming into a sinusoidal shape having a series of waves, each half wave of the sinusoidal being triangular shaped and having a flat planar surface at its apex and an open base section.

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