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我科对泪囊鼻腔吻合术作了一些改进,简化了手术,效果满意。现介绍如下。手术步骤1.麻醉:同一般泪囊鼻腔吻合术。2.皮肤切口和剥离泪囊:以内眦角鼻侧3～4mm 及内眦韧带上3mm 处开始,沿前泪嵴向下作弧形皮肤切口,长约1.5～2.0cm。分离皮下肌层组织,暴露内眦韧带和前泪嵴,根据术野大小切断或不切断此韧带。如切断,在外侧断端作一褥式缝合。韧带下方是泪囊,也是造骨孔的标记。沿前泪嵴1～2mm 切开骨膜,用骨膜剥离器沿前泪嵴骨膜切门,向后分离泪囊窝内侧的骨膜,暴露泪
Our department made some improvements to dacryocystorhinostomy, which simplified the operation and achieved satisfactory results. Now introduced as follows. Procedures 1. Anesthesia: the same general dacryocystorhinostomy. 2. Skin incision and dissection of the lacrimal sac: To the nasal horns angle within 3 ~ 4mm and the medial ligament on the 3mm start, along the anterior tear crest arc curved skin incision, about 1.5 ~ 2.0cm. Subcutaneous muscle tissue was dissected, the posterior cruciate ligament and anterior tear crest were exposed, and the ligaments were cut or not cut according to the size of the surgical field. If cut off, make a mattress suture on the outside stump. Ligament below the lacrimal sac, but also mark the hole made of bone. The periosteum was dissected along the anterior tear crevicular periosteum along the anterior tear crest 1 ~ 2mm, the periosteum was dissected backward and the tear was exposed