Objective To evaluate the safety and effects of nitinol alloy stent made in China to treat malignant serious airway stenosis by fibrobronchoscopy and under X-ray guidance.

• 目的评估纤支镜和X线联合导向下放置国产镍钛记忆合金支架治疗重症恶性气道狭窄的安全性及价值。