笔者应用外科圆针引导硬膜外麻醉导管加泪囊切开行上下泪小管改良吻合术,效果较为满意,现报告如下: 1 临床资料 1.1 对象 选择外伤性上下泪小管同时断裂患者15例,其中右眼7例,左眼8例,年龄12～70岁;工人10例,农民4例,学生1例。随访时间为6个月至2.5年,共随访15例。 1.2 器械与方法 系列组合外科圆针。使针尖变钝,以右眼为例。手术步骤:(1)根据裂伤处距泪点 The author applied surgical round needle guide epidural anesthesia catheter plus dacryocystorhinostomy lacrimal duct modified anastomosis, the effect is more satisfactory, are as follows: 1 clinical data 1.1 object selected traumatic upper and lower tear tube in 15 cases of patients with fracture, in which Right eye in 7 cases, left eye in 8 cases, aged 12 to 70 years; 10 workers, 4 farmers, 1 student. Follow-up time was 6 months to 2.5 years, a total of 15 cases were followed up. 1.2 instruments and methods of combination of surgical round needle. Make the needle tip dull, taking the right eye as an example. Surgical procedures: (1) According to the tear away from the punctum