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Stent delivery catheter with retention bands

  • US 20030236563A1
  • Filed: 06/20/2002
  • Published: 12/25/2003
  • Est. Priority Date: 06/20/2002
  • Status: Abandoned Application
First Claim
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1. A stent delivery catheter comprising:

  • a flexible elongate shaft having proximal and distal ends and a lumen extending there through;

    a balloon having a generally cylindrical body with a length, the balloon being sealingly mounted about the shaft distal end in fluid communication with the lumen, the balloon being inflatable to plastically expand a stent to a nominal diameter for implantation of the stent in a vessel of a patient, the balloon being deflatable and wrappable about the shaft to form a deflated profile; and

    at least one elastic band being disposed around the balloon body and having;

    i) a width substantially narrower than the length of the balloon body, ii) an ability to stretch elastically from a relaxed diameter smaller than the deflated profile to a stretched diameter larger than the nominal diameter, and iii) proximal and distal edges capable of mechanically engaging a stent from inside the stent.

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