A heat exchange catheter has a catheter body with an inflow lumen, an outflow lumen, and an infusion lumen. A first heat exchange balloon helically wraps around at least a portion of the catheter body in fluid communication with the inflow lumen. A second heat exchange balloon helically wraps around...http://www.google.com.au/patents/US20030040782?utm_source=gb-gplus-sharePatent US20030040782 - Heat exchange catheter having a helically wrapped heat exchanger
