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采用经结膜囊下穹隆至上颌窦插管的术式引流泪液，治疗泪道阻塞引起的溢泪症，获得较为满意的效果。手术的主要步骤是：局麻后于结膜囊下穹隆内1／3区作一4mm长的结膜切口，自筋膜下分离至眶线下5mm。从切口伸入上颌窦骨钻钻通上颌窦顶壁，插入长短适度的义管，并向管内注入生理盐水，证实有液体流入鼻咽部后，固定义管。术后定期冲洗，无需拆线，应用这种术式治疗泪道阻塞引起的溢泪症218眼，其中溢泪完全消失151眼占82．1％，溢泪减轻的27眼占14．6％，总效率96．7％。
By the conjunctival sac to the maxillary sinus intubation drainage catheter surgery, lacrimal duct obstruction caused by the treatment of tears, get more satisfactory results. The main steps of surgery are: After local anesthesia in the subfornical conjunctiva 1/3 area for a 4mm long conjunctival incision, subfascial separation from 5mm below the orbital line. From the incision into the maxillary sinus bone drilling through the maxillary sinus top wall, insert the appropriate length of the right tube, and injected into the tube of saline, confirmed the liquid flow into the nasopharynx, the fixed tube. Routine washing, without stitches, the use of this technique for the treatment of 218 cases of lacrimal duct obstruction caused by tears, of which 151 eyes completely disappeared 82.1%, 27 cases of relief of tears accounted for 14.6% , The total efficiency of 96.7%.