Objective : to study a new method for the treatment of congenital membranous choanal atresia 摘要目的：探讨治疗先天性后鼻孔膜性闭锁的新方法。
2.
Method : three patients with congenital membranous choanal atresia were treated with plasma surgery system ( pss ) under nasal endoscopy 方法：鼻内镜下应用等离子刀治疗3例先天性后鼻孔膜性闭锁的患者。
