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Fever regulation method and apparatus

  • US 20060276865A1
  • Filed: 08/16/2006
  • Published: 12/07/2006
  • Est. Priority Date: 01/23/1998
  • Status: Active Grant
First Claim
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1. A method for treating fever in a patient'"'"'s body intravascularly, comprising:

  • providing a catheter having a cooling element attached to a distal end thereof, wherein said cooling element comprises a plurality of heat transfer segments each having a plurality of exterior surface irregularities being shaped and arranged to create repetitively changing directions of flow in surrounding fluid;

    inserting the catheter through the vascular system of a patient with a fever to place the cooling element in a vein that drains into the heart of a patient;

    circulating fluid through the cooling element;

    transferring heat from the blood in the vein to the cooling element; and

    thereby lowering the temperature of the patient.

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