外耳道狭窄闭锁常为先天性所致,多伴有中耳及内耳畸形。外耳道成形术后,选择一种理想的材料,保持成形外耳道预防再闭锁非常重要。我科从1998～2003年收治7例(8耳)先天性外耳道狭窄闭锁患者,4耳应用镍钛形状记忆合金支架,4耳应用碘仿纱条或硅胶管扩张,前者收到了良好临床效果,现 Narrow occlusion of the external auditory canal often caused by congenital, often accompanied by deformities of the middle ear and inner ear. After external auditory canal angioplasty, it is important to choose an ideal material to keep the external auditory canal in place to prevent reocclusion. Seven patients (8 ears) with congenital external auditory canal stricture and atresia were treated in our hospital from 1998 to 2003. Nickel-titanium shape memory alloy stent was used in 4 ears, and iodoform gauze or silicone tube was used in 4 ears. The former received good clinical results, Now