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下泪小管断裂在临床上较为常见，其手术的关键之一是两断端准确的吻合，而其中寻找鼻侧断端困难较大，术中往往不能即刻证实是否为真正的断端。本文介绍的改进方法可有效地解决这一难题。器械制作：自制专用泪道探针，非直径0．9的6号腰穿针尖（外针和外芯）磨平，使之成一平面
The tear canalicular rupture is more common in clinical practice. One of the keys of the operation is accurate coincidence of the two ends, and the difficulty in searching for the nasal end is large, and the intraoperative often can not confirm whether it is the real end. This article describes the improved method can effectively solve this problem. Equipment: homemade special lacrimal probe, non-diameter 0.9 No. 6 lumbar puncture tip (outer needle and outer core) polished flat so that it