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Method and device for applications of selective organ cooling

  • US 6,478,812 B2
  • Filed: 01/05/2001
  • Issued: 11/12/2002
  • Est. Priority Date: 03/24/1998
  • Status: Expired due to Term
First Claim
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1. A method for performing angiography during selective vessel hypothermia, comprising:

  • introducing a guide catheter into a blood vessel;

    delivering a radioopaque fluid to the blood by flowing the radioopaque fluid into the guide catheter;

    introducing a supply tube having a heat transfer element at a distal end thereof into the blood vessel through the guide catheter; and

    cooling the heat transfer element by circulating a working fluid through the heat transfer element, the return path for the working fluid being the guide catheter, wherein the blood is cooled to a prespecified temperature range by flowing past the heat transfer element.

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