现代医院感染学研究资料表明,呼吸道感染比例占医院感染的首位,氧气湿化瓶污染与下呼吸道感染有着密切的联系[1]。据统计,其污染率达到79.45%[2]。医院感染管理规范要求连续使用的氧气湿化瓶须每日消毒,用毕终末消毒,干燥保存,但是 Modern hospital infection research data show that the proportion of respiratory infections account for the top hospital infection, oxygen humidification bottle contamination and lower respiratory tract infection are closely linked [1]. According to statistics, the pollution rate reached 79.45% [2]. Hospital infection management practices require continuous use of oxygen humidification bottles must be disinfected daily, with the end of sterilization, dry preservation, but