| 摘要 |
A catheter system for controlling the body temperature of a patient by modifying the temperature of blood flowing within a blood vessel of the patient. The catheter system comprises a catheter body (10) having a heat exchange region (22) in contact with the blood; and a mechanism for moving t he heat exchange surface (21), thereby increasing heat exchange between the hea t exchange surface and blood flowing past the exchange surface (21). Various methods of moving the heat exchange surface (21) are disclosed. |
