摘要
目的探讨硬膜外导管做内支撑行泪小管断裂吻合术的临床疗效。方法在手术显微镜下寻找泪小管两侧断端并放置内支撑物再吻合之。结果37例新鲜泪小管断裂患者，术后治愈33例，占89，19％，好转3例，无效1例。结论硬膜外导管是行外伤性泪小管断裂吻合术较为经济实用的内支撑物。
Objective To discuss the clinical effect of anastomosis of lacrimal canaliculus using the extradural trachea as a support. Methods Through microscope,first find breakig points of the canaliculus, then place the underlay inside, anastomose two breaking points at last. Resuits In 37cases,33 cases recovered（89.19% ） ,3 cases had good effects, 1 case had no effects. Conclusion Extradural trachea is a kind of economical and effective underprops which may be used in the repair of lacrimal cansliculus.
关键词
泪小管
硬膜外导管
手术
Lacrimal canaliculus Extradural trachea Operatian
