After the blood was drove, the femoral artery and femoral vein were occluded by vascular clamp. The right posterior limb was put in the room temperature for 3h, then the vascular clamp was removed for reperfusion, suture the muscle, nerve and skin. 右后肢驱血后以血管夹夹闭右侧股动静脉,室温下放置3h,放松血管夹,形成再灌注,缝合肌肉、神经及皮肤。