外伤导致泪小管断裂后,大都采用泪小管修补术,近年我科采用自制的插管工具插管,简便省时,减轻了痛苦。随访时间半年以上,效果较好。现介绍如下: 1.材料:麻醉科使用的硬膜外导管数根,截取所需长度,浸泡消毒备用。一根9号腰穿针,留其针芯,需将前端磨成钝圆。 2.手术方法:清创后,用2％利多卡因作局部麻醉,找到泪小管断端创口,用前述的针芯套上硬膜外导管,由下泪小点处插入,水平向鼻侧推进,通过两个 Trauma caused by tear canal rupture, most of the use of lacrimal duct repair, in recent years, our department using homemade cannula catheterization tool, simple and save time and reduce pain. Follow-up time of more than six months, the effect is better. Are introduced as follows: 1. Materials: Anesthesia use of the number of epidural catheter, interception of the required length, soaking disinfection reserve. A No. 9 lumbar needle, leaving the needle core, the front end to be ground into a blunt circle. 2. Surgical methods: debridement, with 2% lidocaine for local anesthesia, find the broken end of canalicular wound, with the aforementioned needle core with epidural catheter inserted by the small tear point at the level of the nasal side Push through both