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Expandable stent with relief cuts for carrying medicines and other materials

  • US 20020038146A1
  • Filed: 10/30/2001
  • Published: 03/28/2002
  • Est. Priority Date: 07/29/1998
  • Status: Abandoned Application
First Claim
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1. In an expandable stent having inner and outer surfaces, wherein said stent has a plurality of interconnected struts, and wherein said interconnected struts flex relative to each other at flexion points as said stent expands, the improvement comprising:

  • an array of relief cut means formed in some of said interconnected struts wherein each of said relief cut means extends through said strut and is sufficiently small that the strength of each of said interconnected struts between flexion points is not significantly reduced by the presence of said relief cut means formed therein, and a coating applied to said stent wherein said coating extends into at least some of said relief cut means.

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