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Method and apparatus for localized drug delivery

  • US 20050059930A1
  • Filed: 09/16/2003
  • Published: 03/17/2005
  • Est. Priority Date: 09/16/2003
  • Status: Abandoned Application
First Claim
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1. A catheter system for creating an isolated blood vessel segment comprising:

  • a first catheter and a second catheter, each having a proximal and a distal end, said first catheter having a first expandable occlusion device associated therewith, said second catheter having a second expandable occlusion device associated therewith and being adapted to expand said second occlusion device distally of the first occlusion device on the first catheter, said second catheter being slidably housed within a first lumen in said first catheter such the distance between said first and second occlusion device may be varied, the occlusion devices being expandable to engage a wall of a blood vessel thereby substantially isolating an interior segment of a desired extent between said first and second occlusion devices, and at least one of said catheters having a relatively stiff proximal region, a softer intermediate region and a still softer distal region.

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