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2010.6.4會員大會專題演講的學員問題及講師回覆

#1
TPDA 發表於 2014 / 06 / 27
發言 : TPDA 時間 : 2010/06/28(15:38:15) From : 60.248.177.115

Q1:Why BI strip not Ampoule often use in SIP validation? A1:There is a great reference on biological indicators from one of the US companies that makes a range of indicators. http://www.sgmbiotech.com/index.php They have a specific response to that question. The brand name of their ampule biological indicators is SterilAmp. An ampule biological indicator is a suspension of the spores. http://www.sgmbiotech.com/faq.php?faqid=11&faqcategory=3&faqproduct=2 Q2: Can I use SterilAmp and MagnaAmp to monitor steam sterilization processes other than sterilization liquids? A2: NO. Steam sterilization of porous loads of fabrics or hard goods loads of glass or metal instruments or machine parts are extremely sensitive to the presence of residual air in the autoclave. SterilAmp and MagnaAmp are not sensitive to the presence of residual air in autoclaves. Air will accumulate in the coolest location in the chamber and that is usually in lumens of devices or in the center of porous loads. Sterilization is MUCH slower in a trapped air pocket versus saturated steam. The SterilAmp and MagnaAmp will only respond to temperature. Since they are sealed liquid ampoules they generate their own saturated steam inside to kill the spores. These sealed ampoules placed in air pockets could be killed when spores on paper carriers such as EZTest® or spore strips demonstrate survivors.

 

 

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