The invention provides a medical device having two elongate catheters, a pump, a refrigeration system, and a manometer. Each catheter has a proximal end, a distal end, a lumen therebetween and communicating with a distal port. The proximal ends of the catheters are connected to the pump and the refrigeration...http://www.google.com.au/patents/US20010020159?utm_source=gb-gplus-sharePatent US20010020159 - Medical device for selective intrathecal spinal cooling in aortic surgery and spinal trauma