To control temperature, all you need is a "cool" line.
Tisherman
Samuel A
SA
D001927:Brain Diseases / Q000628:therapy*; D002405:Catheterization, Central Venous / Q000379:methods*; D002408:Catheters, Indwelling; D017679:Cryotherapy / Q000295:instrumentation* / Q000379:methods; D005334:Fever / Q000517:prevention & control*; D006801:Humans