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Intravascular systems for corporeal cooling

  • US 6,436,071 B1
  • Filed: 06/08/1999
  • Issued: 08/20/2002
  • Est. Priority Date: 06/08/1999
  • Status: Expired due to Fees
First Claim
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1. A catheter for intravascular corporeal cooling which comprises:

  • an elongated tubular member having proximal and distal sections, at least first and second lumens extending therethrough, an outer surface, and an outer wall, an inflatable annular balloon positioned on the outer surface of the elongated tubular member and in fluid communication with a lumen for inflation, and pressure relief means positioned in the outer wall of the elongated tubular member and proximal to the annular inflatable balloon, wherein at least the first lumen can provide cooled blood in the distal direction and distal to the inflatable annular balloon, and when the pressure of fluid within the first lumen reaches a predetermined value, the pressure relief means opens to permit fluid to be released from the elongated tubular member.

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