治法 :确定疼痛部位 ,按神经分布区相应脊椎间隙行硬膜外腔穿刺置管 ,妥善固定导管。常规注入 1 %普鲁卡因 5ｍｌ,确定所阻滞平面是否达到止痛范围 ,而且1小时后注入无水乙醇不会引起剧痛。一般常用量是5ｍｌ,1次注入 2 4小时后疼痛消失 ,可拔除导管 ,如仍有疼痛可再次注射 5ｍ Governing Law: To determine the pain site, according to the corresponding distribution of nerve space epidural puncture catheter, properly fixed catheter. Conventional injection of 1% procaine 5ml, to determine whether the block plane reached the analgesic range, and 1 hour after the injection of anhydrous ethanol does not cause severe pain. Commonly used amount is 5ml, 1 injection 24 hours after the pain disappeared, catheter can be removed, if there is still pain can be injected again 5m