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Tandem balloon catheter

  • US 5,674,198 A
  • Filed: 06/23/1995
  • Issued: 10/07/1997
  • Est. Priority Date: 06/23/1995
  • Status: Expired due to Term
First Claim
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1. A balloon catheter which comprises:

  • a catheter shaft defining a plurality of lumens and proximal and distal catheter ends;

    a pair of spaced, inflatable balloons carried on said shaft to define an interballoon space between said balloons, each of said balloons being connected to a separate inflation lumen;

    a fluid flow lumen extending through said catheter shaft and communicating with the interballoon space to provide a therapeutic agent to the interballoon space, both of the spaced balloons being made of an elastomeric material having an elongation to break of at least 100 percent and capable of being inflated to a diameter that is greater than their length.

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