我院门诊换药室的镊子、缸采用高压干燥式消毒。为了考证其使用期限,于1999年8月18日进行了细菌污染的调查,现将结果报告如下。1 方法 将消毒后的缸及镊子使用前、使用后不同时间,按无菌操作要求,用10ml无菌盐水冲洗,取1ml培养。2 结果 于使用前、使用后2小时、4小时、6小时、8小时 Our hospital outpatient clinic tweezers, high pressure drying cylinder disinfection. In order to verify its useful life, the investigation of bacterial contamination was conducted on August 18, 1999 and the results are reported below. 1 method After disinfection of the cylinder and tweezers before use, at different times after use, according to aseptic requirements, rinse with 10ml sterile saline, take 1ml culture. 2 results before use, after 2 hours, 4 hours, 6 hours, 8 hours