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Radially expandable stent

  • US 7,147,661 B2
  • Filed: 12/20/2001
  • Issued: 12/12/2006
  • Est. Priority Date: 12/20/2001
  • Status: Expired due to Term
First Claim
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1. A radially expandable stent comprising:

  • a first portion that comprises a serpentine ring that comprises 2n interconnected struts, wherein the interconnected struts define n proximal apices and n distal apices;

    a second portion that comprises a serpentine ring that comprises n interconnected struts, wherein the interconnected struts define n/2 proximal apices and n/2 distal apices,wherein n/2 of the n proximal apices of the first portion are integral with the n/2 distal apices of the second portion;

    a barb integrally formed on every other strut in the second portion;

    a tuck pad integrally formed in the struts in the second portion that are adjacent the struts that comprise the barb; and

    connector elements integrally formed with the n distal apices of the first portion.

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