香港在通过科学方法控制湿包方面的经验（英文版）.pdf

1、1/27Hong Kong Experience in Control of Wet Pack through Scientific ApproachName:Teddy LEE(teddyhkssma.org)Affiliation:Vice Chairman,HKSSMA2/27Content Introduction Common Cause of Wet PackPhysic of Steam SterilizationWet Load StrategyManagement Aspects for Wet Pack Prevention3/274/27A.Introduction We

2、t loads can be defined in different ways depends on where moisture can be foundIf water is present in the load,even if the outer packaging is not wet at the time of inspection,it could contaminate the packaging and render it transparent to microbial penetration(HTM 01-01,Part C)Provide a pathway for

3、 microorganism to enter the just sterilized pack(Threat of wet pack)5/27B.Common Cause of Wet Pack1.Excessive moisture content in steam(Wet steam)2.Mal-function of vacuum pump 3.Mal-function of steam trap 4.Use correct steam traps located and maintained correctly 5.Inadequate insulation of steam pip

4、es6.Poor packing configuration 7.Over-weight of sterile pack 8.Over-load of sterile pack 6/27B.Common Cause of Wet Pack9.Improper loading of sterilization cart condensate drain to the pack at lower level 10.Improper cooling of sterilized load 11.Mixed load 12.Accumulation of condensate on one locati

5、on inside the pack13.Inadequate conservation of heat energy for drying14.Inadequate drying time15.The temperature for cooling water used in the vacuum pump exceeding 15 C as recommended by EN 2857/27C.Physic of steam sterilization8/27Sterilization cycle Recorded Temperature at Indicated Locations du

6、ring a Sterilization CycleRecorded Temperature at Indicated Locations during a Sterilization Cycle0204060801001201401600102030405060708090Time(min)Temp(oC)Pack Center(linen)DrainRecorded Temperature at Indicated Locations during a Sterilization CycleRecorded Temperature at Indicated Locations during