气管狭窄可引起严重呼吸困难，重者导致窒息。自１９９６年以来，我科利用自行研制的支架推送装置，在纤维支气管镜（纤支镜）直视下经鼻放置镍钛记忆合金支架（支架）治疗气管狭窄４例，均取得明显疗效，现报告如下。１材料和方法１．１临床资料全组４例，男女各２例，年... Tracheal stenosis can cause severe breathing difficulties, severe cases lead to asphyxia. Since 1996, our department has used its self-developed stent-pushing device to treat 4 cases of tracheal stenosis by placing the NiTi alloy stent (stent) through the nose under the direct view of the fiberoptic bronchoscope The report is as follows. 1 Materials and Methods 1.1 Clinical data The whole group of 4 patients, 2 men and women in each case, year ...