I: Background Compare the Weight of Sterilized Information of • Chinese natio na l wide standard suggestion that the maximum Sir Run Run Shaw Hospital weight of a textile pack is 5kg(about 12 pounds) or less and Textile Packs to Determinate the that is s ho uld measure 12 inches wide by12 inches high by20 • Opened on May 2, 1994 inches lo ng. But in practice, there are occasions packs do Dry Time in a New Sterilizer • Donated by Hong Kong Philanthropist Sir exceed the suggestion weight. So the sterilization cycle s ho uld Run Run Shaw match the real-items. • Co-Funded by Zhejiang Provincial Government • Be fore we use the new sterilizer, we usually monitor 3 times Sir Run Run Shaw Hospital Affiliated with School of Medicine, Zhejiang University • Affiliated with School of Medicine, BI, B-D test, meanwhile we will record the CI result and the P.R. of China Zhejiang University, P.R. of China parameter of different cycle. But to determinate whether the • Hospital Beds: 2200（2 campus) packs are dry or not, we always used by eyes and touch. WANG YAJUAN • Staff: 4363 GU MINXIA Sometimes these are not subject, especially to textile packs. • Operation：82900（2015） So to determinate the dry time of a new sterilizer s ho uld validate first. Giving You Sincerity, Confidence and Love Giving You Sincerity, Confidence and Love Giving You Sincerity, Confidence and Love
II： Research Materials III： Research Methods IV: Results • The same textile packs we used everyday weight within 5kg- • The new sterilizer finished validation of IQ, OQ and PQ. • The results of differe nt cycle is not similar. Please see the Table I. 7kg (about 12 ponds - 17 pounds). Three times BI and B-D test are all normal. • Biologica l indicator and Chemica l indicator . ℃ ℃ ℃ • Use the thermocouples to record real–time temperature and Pre-vacuum cycle Temperature :134 Temperature :134 Temperature :134 • Use thermocouples to record real–time temperature profiles Exposure Time： Exposure Time： Exposure Time： pressure profiles within the packs is acceptable. 4minutes 4minutes 4minutes within the packs. • Choose textile packs weight between 5kg-7kg, Measure the Results Dry time: 25 minutes Dry time: 25 Dry time: 25 minutes minutes • The new sterilizer, operate by the educated operator and weight before and after sterilization, loading into the new properly loading ways. sterilizer properly, unloading ≥ 30 minutes late after Tes t samples 176 97 87 • Scale calibrated in kilogra ms and record 2 digit after point. sterilization, than record all the number. numbers ≥1% 14 11 50 • Estimate standard:（weight a fter sterilization – weight before sterilization) / weight before sterilization *100%, the result≥ Percentage(%) 7.95% 11.34% 57.47% 1% identify wetness , <1% is acceptable
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V：Conclusion V：Conclusion About Author
• Perhaps the mo st frustrating or confounding dilemma that we • From this research we found, use proper pre-vacuum cycle is Name: Wang Yajuan fa ce using steam sterilization is the occurrence of WET very important. Especially to textile packs, we can mea s ure Place: Sir Run Run Shaw PACKS. Because wet packs are a concern because the the weight be fo re and a fter sterilization to determinate the dry Hospital Affiliated with potential to provide a pathway for microorganisms to enter the time. According to the real-ite ms, sometimes dry time of 25 School of Medicine, just sterilized package and then contaminate it. minute s still not enough. Zhejiang University, P.R. • Finding the cause and remedy fo r wet packs is not always • According to the re s ult above, we still need investigate the of China easy. There are ma ny players and factors involved that must fa ctors to cause wet packs, like : pre-vacuum cycle, steam Title: Director of CSSD be individually considered. quality, loading methods, the package size and whether Email : [email protected] wrapped too tightly…….
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