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目的:观察T型硅胶支撑管置管术治疗小儿外伤性泪小管断裂的效果。方法:回顾性病例研究。选取南京市第三医院2016年8月至2020年1月住院的小儿外伤性泪小管断裂者25例(25眼)，采用“双套环”技术顺行置入T型支撑管。术后3～6个月拔管，拔管后随访1～3个月，观察疗效。结果:25例中，治愈21例(84.00%，21/25)，好转4例(16.00%，4/25)。结论:T型支撑管置管术治疗小儿外伤性泪小管断裂，效果确切，安全方便。“,”Objective:To observe the efficacy of T-type silicone stent intubaion for the treatment of traumatic lacrimal canaliculus laceration in children.Methods:This was a retrospective case study. A total of 25 eyes of 25 cases with traumatic lacrimal canaliculus in children from Aug. 2016 to Jan. 2020 in Nanjing Third Hospital were selected. T-type stent was intubated with “double ring” technology. The extubation was performed at 3-6 months after operation. The patients were followed up for 1-3 months after extubation. The efficacy was observed.Results:Among 25 cases, 21 cases were cured (84.00%, 21/25), 4 cases were improved (16.00%, 4/25).Conclusion:T-type stent intubation for the treatment of traumatic lacrimal canaliculus in children is effective, safe and convenient.