随着鼻内镜的广泛应用和发展,鼻内镜鼻腔泪囊造口术成为解除泪道阻塞性疾病的新方式。术后保持造口畅通是手术成功的关键,我科采用硬膜下导管上下泪小点置放,通过导管折返从上下泪小点进入鼻腔形成双管撑开造口,保持其畅通,效果1武汉市普爱医院耳鼻咽喉科(武汉,430033)明显,现 With the wide application and development of endoscopic sinus, nasal endoscopic dacryocystorhinostomy become a new way to relieve obstructive lacrimal diseases. Postoperative keep the stoma open is the key to successful operation, our department with subdural catheter up and down punctate dot placement, through the catheter from the tear point up and down into the nasal cavity to form a double tube stoma opening, to maintain its smooth, the effect of 1 General Hospital of Wuhan Otolaryngology (Wuhan, 430033) Obviously, now