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分期手术的结肠肛管吻合术,手术后半月左右需将多余结肠切除。传统的方法是在硬膜外麻醉或肛周浸润麻醉后用手术刀或电刀将多余结肠切除,需用羊肠腺缝合以制止出血并使之愈合良好。麻醉有效期过后肛门部会出现剧烈而长时间的疼痛,常需用杜冷丁之类的药物止痛。为克服传统方法的不足,于1991年浙江省肿瘤医院大肠癌科副主任医师陈贤贵设计并制作了多余结肠脱落器(图示)。该器具使用简便,不必缝合,无需麻醉,如在操作时注意不损及肛管皮肤可无疼
A colonic anal anastomosis is performed by stages, and the excess colon needs to be removed approximately half a month after surgery. The traditional method is to remove the excess colon with a scalpel or an electric knife after epidural anesthesia or perianal infiltration anesthesia, and suture with goat’s intestines to stop bleeding and make it heal well. After the effective period of anesthesia, there will be severe and prolonged pain in the anus, often requiring drugs such as pethidine to relieve pain. In order to overcome the shortcomings of the traditional methods, in 1991, Chen Xiangui, deputy director of the Department of Colorectal Cancer at Zhejiang Provincial Cancer Hospital, designed and produced an extra colonic shedding device (illustration). The device is easy to use, does not have to be sutured, does not require anesthesia, such as in the operation does not damage the anal canal skin without pain