传统的气管造口术都是经 2～ 4气管软骨环切开插管 ,不作高位切开是预防术后发生喉狭窄。我科 1995～ 1999年采用经环状软骨行气管造口术[1] 2 0 0例 ,疗效满意。现结合近期国内外文献经验 ,介绍如下。1　临床资料本组男 10 8例 ,女 92例。年龄最大 82岁 ,最小 12岁 ,平均 46岁 Traditional tracheostomy are tracheotomy tube 2 ~ 4 open incision, not for high cut is to prevent postoperative occurrence of laryngeal stenosis. Our department from 1995 to 1999 by ring-like cartilage tracheostomy [1] 200 cases, the effect is satisfactory. Now combined with the recent literature and experience at home and abroad, introduced below. 1 Clinical data The group of male 108 cases, 92 cases of women. The oldest is 82 years old, the youngest is 12 years old and the average is 46 years old