鼻泪管逆行挂线治疗慢性泪囊炎和鼻泪管阻塞性疾病,方法简便,疗效较好,现介绍如下。器械准备: 9号腰穿针自行制成前端圆滑的管型探针;马尾丝一条,长约40厘米;导尿管一根;一号丝线一条,长约45厘米。操作方法: 用棉签蘸1％地卡因夹内肾部麻醉,经3～5分钟后,将泪点扩张针插入泪小点,直达泪小管加以扩张。取出后插入自行制成的管型探针直达鼻腔,抽出针 Treatment of chronic dacryocystitis and nasolacrimal duct obstruction by nasolacrimal duct retrograde hanging line method, the method is simple, the effect is better, are introduced as follows. Equipment preparation: No. 9 lumbar needle made of its own front-end sleek tube probe; a cauda equina, about 40 cm long; a catheter; a silk thread length of about 45 cm. Method of operation: Cotton swab dipped in 1% tetracaine intra-renal nevus, after 3 to 5 minutes, the punctum dilatation needle inserted into the punctum, direct tracheal expansion. Remove the tube inserted into the tube made directly to the nasal cavity, the needle out