笔者应用空心扩张管气管内固定治疗和预防喉狭窄 6例 ,均取得满意疗效 ,现介绍如下。1　空心扩张管制作方法将气管套管膝部打洞 ,取相应管径的硅胶管或聚乙烯塑料管在中部打洞 ,然后将膝部已打洞的金属套管由硅胶管中段的洞口插入 ,硅胶管的下段即被固定在套管上 ,而上段的长度 I use the hollow endotracheal tube fixation and prevention of laryngeal stenosis in 6 cases, have achieved satisfactory results, are described below. A method of hollow expansion tube Tracheal knee lap, take the appropriate diameter of the silicone tube or polyethylene plastic tube in the middle hole, and then the knee has been perforated metal casing from the middle of the silicone tube inserted into the hole , The lower part of the silicone tube is fixed on the sleeve, while the length of the upper section