目的　探讨内支架在气道狭窄中临床应用的价值。方法　采用支架输送器经鼻腔放置记忆镍钛合金支架 41例 ,1例经PTA球囊导管预扩张后放置。结果　 42例中放置气管支架 2 4例 ,支气管支架 11例 ,气管、支气管均放置支架 7例 ,放置成功后 ,均立即解除了呼吸困难的症状 ,随访 3～ 43个月 ,生存者支架无移位 ,呼吸通畅。结论　采用输送器放置内支架治疗气道狭窄是一种安全有效的方法 Objective To investigate the clinical application value of stent in airway stenosis. Methods A stent-transporter was used to place the memory nitinol stent in the nasal cavity in 41 cases, and 1 case was pre-dilated after placement with a PTA balloon catheter. Results Twenty-four cases of tracheal stents were placed in 24 cases, 11 cases were bronchial stents, and 7 cases were placed in the trachea and bronchus. After successful placement, symptoms of dyspnea were immediately relieved. Follow-up ranged from 3 to 43 months. Position, breathless. Conclusion It is a safe and effective method to treat airway stenosis with a stent placed on a conveyor