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Stent delivery system and method

  • US 5,851,210 A
  • Filed: 03/21/1997
  • Issued: 12/22/1998
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Fees
First Claim
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1. A stent delivery system, for delivering a stent to a target region in a vessel, said stent delivery system comprising:

  • a delivery catheter having a distal end and a proximal end, wherein said distal end of said delivery catheter is adapted to extend through said vessel to said target region in said vessel;

    at least one dilation balloon disposed on said delivery catheter proximate to said distal end of said delivery catheter, for pre-dilating said target region of said vessel, said dilation balloon having a leading end and a trailing end;

    a stent deployment mechanism disposed on said delivery catheter proximate to said dilation balloon, for deploying a stent to said target region of said vessel that has been pre-dilated by said dilation balloon, said stent deployment mechanism having a leading end and trailing end, wherein said leading end of said stent deployment mechanism is disposed at a predetermined distance from said leading end of said dilation balloon; and

    said delivery catheter including at least one set of markers disposed proximate to said proximal end of said delivery catheter, wherein said at least one set of markers provides an indication of said predetermined distance between said leading end of said stent delivery mechanism and said leading end of said dilation balloon, for gauging movement of said dilation balloon and said stent delivery mechanism into alignment with said target region in said vessel.

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