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本手术设计的目的;用于泪囊鼻腔吻合术失败后无法再次行此手术者,以恢复泪器功能,避免做泪囊摘除。此外,某些原因造成的泪囊严重破坏,致使泪囊过分狭小、萎缩无法施行泪囊鼻腔吻合术的慢性泪囊炎病人也适用此手术。手术设计的原理:似血管搭桥,在不能直接吻合的总泪小管与鼻腔之间,植入一段硅胶管,把它们连接沟通起来,从而恢复泪道向鼻腔引流泪液的生理功能。手术方法1.术前准备及麻醉:与一般泪囊鼻腔吻合术相同,只是在皮肤切口前,由泪点注入少许美蓝,便于术中辨认残留的泪囊粘膜。
The purpose of the operation design; dacryocystorhinoal anastomosis failed for the line after the operation again to restore the function of the lacrimal device to avoid dacryocyst surgery. In addition, some of the causes of severe damage to the dacryocystorhinus, dilatation of the dacryocystosis, atrophy dacryocystorhinostomy dacryocystitis patients also apply this surgery. The principle of surgical design: like vascular bypass, in the direct lacrimal duct and nasal cavity can not be directly matched, implanted a silicone tube, connect them to communicate, so as to restore the physiological function of lacrimal duct drainage nasal drainage. Surgical methods 1. Preoperative preparation and anesthesia: the same with the general dacryocystorhinostomy, just before the skin incision, the injection of a little methylene blue from the punctum, intraoperative identification of residual lacrimal sac and mucous membrane.