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Multiple lumen heat exchange catheters

  • US 20020045925A1
  • Filed: 02/06/2001
  • Published: 04/18/2002
  • Est. Priority Date: 08/24/1998
  • Status: Active Grant
First Claim
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1. A heat exchange catheter for heating or cooling at least a portion of the body of a human or animal patient, said heat exchange catheter comprising:

  • a catheter shaft having an inflow lumen and an outflow lumen extending longitudinally therethrough;

    at least one heat exchange balloon element attached to the catheter shaft and fluidly connected to the inflow and outflow lumens such that heat exchange fluid may circulate in the inflow lumen, through the at least one balloon element and out of the outflow lumen;

    the balloon element being insertable into the vasculature of the patent and having a curvilinear configuration when heat exchange fluid is being circulated therethrough.

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