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Drug Coated Balloon Catheter

  • US 20090254063A1
  • Filed: 02/13/2009
  • Published: 10/08/2009
  • Est. Priority Date: 07/13/2007
  • Status: Active Grant
First Claim
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1. A balloon catheter comprising:

  • an inner shaft member having a proximal end portion, a distal end portion, and a length therebetween;

    an outer shaft member movable relative to the inner shaft member having a proximal end portion, a distal end portion, and a length therebetween;

    an annular flow passage disposed between the inner and outer shaft members;

    a flexible membrane extending between the distal end portion of the inner shaft member and the distal end portion of the outer shaft member;

    wherein the flexible membrane includes an inner surface and an outer surface, the inner surface configured in fluid communication with the annular flow passage; and

    wherein the flexible membrane includes a therapeutic agent disposed thereon.

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