Catheter devices and methods for intravascular heating and/or cooling of human or veterinary patients. The catheter devices generally comprise catheters having inflow and outflow lumens and at least one curvilinear balloon connected to the inflow and outflow lumens such that heat exchange fluid may be...http://www.google.ca/patents/US6610083?utm_source=gb-gplus-sharePatent US6610083 - Multiple lumen heat exchange catheters
