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Flexible stent

  • US 6,679,911 B2
  • Filed: 03/02/2001
  • Issued: 01/20/2004
  • Est. Priority Date: 03/01/2001
  • Status: Expired due to Term
First Claim
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1. A stent having a tubular shape and a longitudinal axis comprising:

  • a plurality of generally folded sections having relatively higher radial strength in order to impart radial strength to the stent and a plurality of generally flexible sections configured to impart longitudinal flexibility to the stent, each of said folded sections connected to at least one of said flexible sections and said generally folded sections having an overall longitudinal length with struts which lengthen in the longitudinal direction upon expansion of the stent, so as to lengthen the overall longitudinal length of the folded section, and said generally flexible sections having struts which generally shorten upon expansion in the longitudinal direction, such that the length of said stent is maintained when said stent is in an expanded or unexpanded configuration.

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