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首页> 外文期刊>The Journal of hospital infection >Evaluation of a low-temperature steam and formaldehyde sterilizer.
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Evaluation of a low-temperature steam and formaldehyde sterilizer.

机译：评估低温蒸汽和甲醛灭菌器。

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We evaluated a low-temperature steam and formaldehyde (LTSF) sterilizer based on the draft European Standard prEN 14180. Microbiological tests were conducted on small and full loads using process challenge devices in five programs (P1-P5). With small loads all tests showed no growth of Bacillus stearothermophilus (ATCC7953) spores. However, positive cultures were observed with full-load tests using P5 (sterilization temperature, 50 degrees C). Our data indicated that the load influenced the efficacy of the LTSF sterilizer. Desorption tests were conducted to determine residual formaldehyde in indicator strips. The mean concentrations of formaldehyde in P1-P5 were 31.9, 56.3, 54.9, 82.2 and 180.6 microg, respectively, which are below the limits allowed by the draft Standard. Our results indicate that the LTSF sterilizer is useful for sterilization because of its excellent efficacy, short handling time, and safety.
机译：我们根据欧洲标准prEN 14180草案对低温蒸汽和甲醛（LTSF）灭菌器进行了评估。使用过程挑战装置以五个程序（P1-P5）对小负荷和满负荷进行了微生物测试。在小负荷下，所有测试均未显示嗜热脂肪芽孢杆菌（ATCC7953）孢子的生长。但是，使用P5（灭菌温度为50摄氏度）进行满负荷测试时，观察到阳性培养物。我们的数据表明，负荷影响了LTSF灭菌器的功效。进行解吸测试以确定指示剂条中残留的甲醛。 P1-P5中甲醛的平均浓度分别为31.9、56.3、54.9、82.2和180.6微克，低于标准草案所允许的限值。我们的结果表明，LTSF灭菌器具有出色的功效，较短的处理时间和安全性，可用于灭菌。

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