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目的查找管腔型灭菌过程验证模拟装置(PCD)在压力蒸汽灭菌中监测不合格的原因。方法 2014年12月21-31日压力蒸汽灭菌79锅次,每锅次均放置敷料型PCD、管腔型PCD、标准生物测试包,比较三者的监测结果;2015年1月3日-11日调试高压锅真空度、升温速度、密封度后,按上述方法测试74锅次,比较三者的监测结果。结果调试前敷料型PCD及标准生物监测合格率为100.0%,管腔型PCD合格率为94.9%;调试后敷料型PCD和管腔型PCD的生物监测合格率均为100.0%,调试后管腔型PCD合格率明显高于调试前。结论管腔型PCD能及时发现压力蒸汽灭菌器的不合格情况,比生物监测及敷料型PCD具有更高的敏感性。
Objective To find out the reasons for the failure of chamber-type sterilization process validation simulator (PCD) in pressure steam sterilization. Methods 79 steam pots were sterilized by pressure steam sterilization from December 21 to December 31, 2014, with dressing type PCD, lumen type PCD and standard biological test pack placed on each pot. The monitoring results of the three were compared. January 3, 2015 - On the 11th debugging pressure cooker vacuum, heating rate, sealing, according to the above method to test 74 pot times, comparing the three monitoring results. Results The qualified rate of dressing type PCD and standard biological monitoring before dressing was 100.0% and the qualified rate of lumen type PCD was 94.9%. The qualified rate of biological monitoring of dressing type PCD and lumen type PCD was 100.0% PCD pass rate was significantly higher than before debugging. Conclusions The lumen-type PCD can detect the failure of the pressure steam sterilizer in time, which is more sensitive than the biomonitoring and dressing PCD.