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Low thermal resistance elastic sleeves for medical device balloons

  • US 6,796,960 B2
  • Filed: 05/01/2002
  • Issued: 09/28/2004
  • Est. Priority Date: 05/04/2001
  • Status: Expired due to Fees
First Claim
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1. A catheter configured for insertion into a body lumen or cavity, comprising:

  • a tubular body having an outer surface;

    an inflatable treatment or tissue molding balloon disposed over a portion of the outer surface of the tubular body configured to expand outwardly therefrom;

    a sleeve having a thickness of between about 0.005-0.030 inches disposed over the inflatable treatment or tissue molding balloon such that both are concurrently responsive to pressure introduced in the treatment or tissue molding balloon; and

    a quantity of a material disposed between the sleeve and the inflatable treatment balloon, wherein the sleeve and material have a low thermal resistance such that the temperature drop from the outer surface of the treatment balloon through the material to the outer surface of the sleeve is less than about 0.5 degrees.

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