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Stent delivery system with spacer member

  • US 20040097959A1
  • Filed: 09/09/2003
  • Published: 05/20/2004
  • Est. Priority Date: 01/18/2001
  • Status: Abandoned Application
First Claim
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1. A stent delivery system for delivering a stent to a deployment site in a body lumen of a patient'"'"'s body, said stent delivery system comprising:

  • an elongated, flexible, hollow outer tubular member having a distal end and a proximal end;

    an elongated, flexible, inner tubular member having a distal end and a proximal end;

    said outer tubular member sized to be passed through said body lumen with said distal end advanced to said deployment site and with said proximal end external to said body for manipulation by an operator;

    said inner tubular member sized to be received within said outer tubular member with said inner tubular member and said outer tubular member axially slideable relative to one another between a transport position and a deploy position;

    said inner tubular member having a stent attachment location at said distal end of said inner tubular member, said stent attachment location covered by said outer tubular member when said inner and outer tubular members are in said transport position, said stent attachment location exposed when said inner and outer tubular members are in said deploy position;

    a spacer member disposed between said inner tubular member and said outer tubular member with said spacer member spacing said inner tubular member from said outer tubular member;

    opposing surfaces of said inner and outer tubular members defining a first lumen extending from said proximal end towards said distal end of said outer tubular member;

    an admission port in communication with said first lumen at proximal end of said outer tubular member; and

    a discharge port through said outer tubular member in communication with first said lumen at said distal end of said outer tubular member.

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