目前 ,气管切开术后内套管的消毒仍使用传统煮沸法 ,其不仅操作时间长 ,而且因气管内套管与外套管长时间脱离易引起外套管内壁痰液结痂 ,阻塞气道 ,影响通气效果 ,加之煮沸条件的限制 ,消毒效果也不确切 ,可增加感染机会。 1997年1月至 1999年 1月 ,我们采用 2 %戊二醛浸泡与煮 At present, the tracheotomy cannula disinfection still use the traditional boiling method, which not only a long operation, but also because of the endotracheal tube and casing for a long time away from easily lead to casing tube wall sputum scab, blocking the airway, Ventilation effect, coupled with the limitations of boiling conditions, disinfection is not precise, can increase the chance of infection. From January 1997 to January 1999, we used 2% glutaraldehyde for soaking and cooking