【摘要】 目的 探讨内镜臭氧水自动洗消机对微生物的杀灭效果。 方法 采用不锈钢片为载体，进行了定量杀灭枯草杆菌黑色变种芽孢的试验。 结果 洗消机生成的臭氧水含臭氧11.6mg/L。载体定量杀菌试验表明，按洗消机设定程序在工作槽内用臭氧水自动清洗12min，该杆菌芽孢的平均杀灭率为99.97%;在容器内用臭氧水流动浸泡30min，该杆菌芽孢的平均杀灭率为99.97%;在试管中用该机生成的臭氧水浸泡40min，该杆菌芽孢的平均杀灭率为73.86%。 结论 试验中不论用臭氧水自动清洗12min还是用臭氧水流动浸泡30min，该机生成的臭氧水杀灭枯草杆菌黑色变种芽孢的效果均良好。

    关键词 内镜 臭氧水 枯草杆菌黑色变种芽孢 杀灭效果

    Experimental observation on germicidal efficacy of automatic ozone water cleaning-disinfector for endoscopy

    Guo Runxia，Lu Bo，Liu Xiuyan，et al.

    Institute of Environmental Health and Related Product Safety，Chinese Center for Disease Control and Prevention，Beijing100021.

    【Abstract】 Objective To study the germicidal efficacy of automatic ozone water cleaning-disinfector for en-doscopy.Methods The small pieces of stainless steel were used as carriers and the quantitative germicidal tests for Bacillus subtilis var.niger were carried out.Results The ozone water generated by cleaning-disinfector contained ozone11.6mg/L.The carrier quantitative germicidal tests showed that the contaminated carriers were washed auto-matically by ozone water in working trough according to the designed procedure of cleaning-disinfector at the stage of12min ......