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Stent delivery system

  • US 7,285,130 B2
  • Filed: 04/27/2004
  • Issued: 10/23/2007
  • Est. Priority Date: 04/27/2004
  • Status: Active Grant
First Claim
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1. A medical device for delivery of a self-expanding stent comprising:

  • a catheter having a catheter shaft, a self-expanding stent disposed about a stent receiving region of the catheter shaft;

    a retractable sheath disposed about the catheter shaft and the stent, the retractable sheath having an internal surface and an external surface; and

    a retractable membrane, prior to delivery of the stent a first portion of the retractable membrane being positioned between the stent and the inner surface of the retractable sheath, a second portion of the retractable membrane extends from the first portion and along the external surface of the retractable sheath, the retractable sheath and the retractable membrane being independently moveable relative to one another.

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