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Multipurpose catheter assembly

  • US 6,719,723 B2
  • Filed: 12/06/2000
  • Issued: 04/13/2004
  • Est. Priority Date: 12/06/2000
  • Status: Expired due to Term
First Claim
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1. An apparatus for delivery of thermal treatment and medication to a selected area in the vascular system of a patient, comprising:

  • an elongated flexible catheter assembly;

    a heat transfer element on a distal portion of said catheter assembly insertable to said selected area in said vascular system;

    a supply duct in said catheter assembly, said supply duct being in fluid flow communication with said heat transfer element, to supply a treatment fluid to said heat transfer element;

    a return lumen in said catheter assembly, said return lumen being in fluid flow communication with said heat transfer element, to receive said treatment fluid from said heat transfer element; and

    an exit port in fluid flow communication with said supply duct to allow a portion of said treatment fluid to exit said catheter assembly in the proximity of said heat transfer element.

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