处理癌病最主要的方式是用药镇痛，中至重度疼痛常用阿片类药物。如果病人不合作、肠梗阻等，口服给药很难获得一个较稳定的血药水平，需寻找另外一种较简便的持续给药方法。1临床资料回．三一般资料：治疗组15例病理证实的晚期癌症患者。其中男9例，女6例，肺癌6例，肝癌4例， The most important way to deal with cancer is to use drugs to relieve pain and to use opioids for moderate to severe pain. If the patient does not cooperate, intestinal obstruction, etc., it is difficult to obtain a stable blood drug level by oral administration, need to find another simpler continuous administration method. 1 clinical data back. Three general data: 15 patients with advanced stage cancer confirmed by pathology in the treatment group. Among them, there were 9 males and 6 females, 6 lung cancers and 4 liver cancers.