已阅读5页,还剩13页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
BSENISO1113852017STERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSPART5BIOLOGICALINDICATORSFORLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESISO1113852017BSISTANDARDSPUBLICATIONWB11885_BSI_STANDARDCOVS_2013_AWINDD115/05/20131506BSENISO1113852017BRITISHSTANDARDNATIONALFOREWORDTHISBRITISHSTANDARDISTHEUKIMPLEMENTATIONOFENISO1113852017ITSUPERSEDESBSENISO1113852006WHICHISWITHDRAWNTHEUKPARTICIPATIONINITSPREPARATIONWASENTRUSTEDTOTECHNICALCOMMITTEECH/198,STERILIZATIONANDASSOCIATEDEQUIPMENTANDPROCESSESALISTOFORGANIZATIONSREPRESENTEDONTHISCOMMITTEECANBEOBTAINEDONREQUESTTOITSSECRETARYTHISPUBLICATIONDOESNOTPURPORTTOINCLUDEALLTHENECESSARYPROVISIONSOFACONTRACTUSERSARERESPONSIBLEFORITSCORRECTAPPLICATIONTHEBRITISHSTANDARDSINSTITUTION2017PUBLISHEDBYBSISTANDARDSLIMITED2017ISBN9780580898358ICS1108001COMPLIANCEWITHABRITISHSTANDARDCANNOTCONFERIMMUNITYFROMLEGALOBLIGATIONSTHISBRITISHSTANDARDWASPUBLISHEDUNDERTHEAUTHORITYOFTHESTANDARDSPOLICYANDSTRATEGYCOMMITTEEON30APRIL2017AMENDMENTS/CORRIGENDAISSUEDSINCEPUBLICATIONDATETEXTAFFECTEDEUROPEANSTANDARDNORMEEUROPENNEEUROPISCHENORMENISO111385MARCH2017ICS1108020SUPERSEDESENISO1113852006ENGLISHVERSIONSTERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSPART5BIOLOGICALINDICATORSFORLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESISO1113852017STRILISATIONDESPRODUITSDESANTINDICATEURSBIOLOGIQUESPARTIE5INDICATEURSBIOLOGIQUESPOURLASTRILISATIONLAVAPEURD'EAUETAUFORMALDHYDEBASSETEMPRATUREISO1113852017STERILISATIONVONPRODUKTENFRDIEGESUNDHEITSFRSORGEBIOLOGISCHEINDIKATORENTEIL5BIOLOGISCHEINDIKATORENFRSTERILISATIONSVERFAHRENMITNIEDERTEMPERATURDAMPFFORMALDEHYDISO1113852017THISEUROPEANSTANDARDWASAPPROVEDBYCENON19JANUARY2017CENMEMBERSAREBOUNDTOCOMPLYWITHTHECEN/CENELECINTERNALREGULATIONSWHICHSTIPULATETHECONDITIONSFORGIVINGTHISEUROPEANSTANDARDTHESTATUSOFANATIONALSTANDARDWITHOUTANYALTERATIONUPTODATELISTSANDBIBLIOGRAPHICALREFERENCESCONCERNINGSUCHNATIONALSTANDARDSMAYBEOBTAINEDONAPPLICATIONTOTHECENCENELECMANAGEMENTCENTREORTOANYCENMEMBERTHISEUROPEANSTANDARDEXISTSINTHREEOFFICIALVERSIONSENGLISH,FRENCH,GERMANAVERSIONINANYOTHERLANGUAGEMADEBYTRANSLATIONUNDERTHERESPONSIBILITYOFACENMEMBERINTOITSOWNLANGUAGEANDNOTIFIEDTOTHECENCENELECMANAGEMENTCENTREHASTHESAMESTATUSASTHEOFFICIALVERSIONSCENMEMBERSARETHENATIONALSTANDARDSBODIESOFAUSTRIA,BELGIUM,BULGARIA,CROATIA,CYPRUS,CZECHREPUBLIC,DENMARK,ESTONIA,FINLAND,FORMERYUGOSLAVREPUBLICOFMACEDONIA,FRANCE,GERMANY,GREECE,HUNGARY,ICELAND,IRELAND,ITALY,LATVIA,LITHUANIA,LUXEMBOURG,MALTA,NETHERLANDS,NORWAY,POLAND,PORTUGAL,ROMANIA,SERBIA,SLOVAKIA,SLOVENIA,SPAIN,SWEDEN,SWITZERLAND,TURKEYANDUNITEDKINGDOMEUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEUROPENDENORMALISATIONEUROPISCHESKOMITEEFRNORMUNGCENCENELECMANAGEMENTCENTREAVENUEMARNIX17,B1000BRUSSELS2017CENALLRIGHTSOFEXPLOITATIONINANYFORMANDBYANYMEANSRESERVEDWORLDWIDEFORCENNATIONALMEMBERSREFNOENISO1113852017EDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ENISO1113852017E3EUROPEANFOREWORDTHISDOCUMENTENISO1113852017HASBEENPREPAREDBYTECHNICALCOMMITTEEISO/TC198“STERILIZATIONOFHEALTHCAREPRODUCTSINCOLLABORATIONWITHTECHNICALCOMMITTEECEN/TC102“STERILIZERSANDASSOCIATEDEQUIPMENTFORPROCESSINGOFMEDICALDEVICES”,THESECRETARIATOFWHICHISHELDBYDINTHISEUROPEANSTANDARDSHALLBEGIVENTHESTATUSOFANATIONALSTANDARD,EITHERBYPUBLICATIONOFANIDENTICALTEXTORBYENDORSEMENT,ATTHELATESTBYSEPTEMBER2017ANDCONFLICTINGNATIONALSTANDARDSSHALLBEWITHDRAWNATTHELATESTBYSEPTEMBER2017ATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSCENAND/ORCENELECSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSTHISDOCUMENTSUPERSEDESENISO1113852006THESTANDARDISAFULLTECHNICALREVISIONOFTHEPREVIOUSVERSIONTHEFOLLOWINGAMENDMENTSHAVEBEENMADEINCOMPARISONWITHENISO1113852006REQUIREMENTSONDETERMINATIONOFRESISTANCECHARACTERISTICS96REVISEDENISO11138CONSISTSOFTHEFOLLOWINGPARTS,UNDERTHEGENERALTITLESTERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSPART1GENERALREQUIREMENTSPART2BIOLOGICALINDICATORSFORETHYLENEOXIDESTERILIZATIONPROCESSESPART3BIOLOGICALINDICATORSFORMOISTHEATSTERILIZATIONPROCESSESPART4BIOLOGICALINDICATORSFORDRYHEATSTERILIZATIONPROCESSESPART5BIOLOGICALINDICATORSFORLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESACCORDINGTOTHECENCENELECINTERNALREGULATIONS,THENATIONALSTANDARDSORGANIZATIONSOFTHEFOLLOWINGCOUNTRIESAREBOUNDTOIMPLEMENTTHISEUROPEANSTANDARDAUSTRIA,BELGIUM,BULGARIA,CROATIA,CYPRUS,CZECHREPUBLIC,DENMARK,ESTONIA,FINLAND,FORMERYUGOSLAVREPUBLICOFMACEDONIA,FRANCE,GERMANY,GREECE,HUNGARY,ICELAND,IRELAND,ITALY,LATVIA,LITHUANIA,LUXEMBOURG,MALTA,NETHERLANDS,NORWAY,POLAND,PORTUGAL,ROMANIA,SERBIA,SLOVAKIA,SLOVENIA,SPAIN,SWEDEN,SWITZERLAND,TURKEYANDTHEUNITEDKINGDOMENDORSEMENTNOTICETHETEXTOFISO1113852017HASBEENAPPROVEDBYCENASENISO1113852017WITHOUTANYMODIFICATIONDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EFOREWORDIVINTRODUCTIONV1SCOPE12NORMATIVEREFERENCES13TERMSANDDEFINITIONS14GENERALREQUIREMENTS15TESTORGANISM26SUSPENSION27CARRIERANDPRIMARYPACKAGING28INOCULATEDCARRIERSANDBIOLOGICALINDICATORS29POPULATIONANDRESISTANCE2ANNEXANORMATIVEMETHODFORDETERMINATIONOFRESISTANCETOLOWTEMPERATURESTEAMANDFORMALDEHYDE4ANNEXBINFORMATIVERATIONALEFORTHELIQUIDPHASETESTMETHODFORLOWTEMPERATURESTEAMANDFORMALDEHYDEBIOLOGICALINDICATORS6BIBLIOGRAPHY7ISO2017ALLRIGHTSRESERVEDIIICONTENTSPAGEDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EFOREWORDISOTHEINTERNATIONALORGANIZATIONFORSTANDARDIZATIONISAWORLDWIDEFEDERATIONOFNATIONALSTANDARDSBODIESISOMEMBERBODIESTHEWORKOFPREPARINGINTERNATIONALSTANDARDSISNORMALLYCARRIEDOUTTHROUGHISOTECHNICALCOMMITTEESEACHMEMBERBODYINTERESTEDINASUBJECTFORWHICHATECHNICALCOMMITTEEHASBEENESTABLISHEDHASTHERIGHTTOBEREPRESENTEDONTHATCOMMITTEEINTERNATIONALORGANIZATIONS,GOVERNMENTALANDNONGOVERNMENTAL,INLIAISONWITHISO,ALSOTAKEPARTINTHEWORKISOCOLLABORATESCLOSELYWITHTHEINTERNATIONALELECTROTECHNICALCOMMISSIONIECONALLMATTERSOFELECTROTECHNICALSTANDARDIZATIONTHEPROCEDURESUSEDTODEVELOPTHISDOCUMENTANDTHOSEINTENDEDFORITSFURTHERMAINTENANCEAREDESCRIBEDINTHEISO/IECDIRECTIVES,PART1INPARTICULARTHEDIFFERENTAPPROVALCRITERIANEEDEDFORTHEDIFFERENTTYPESOFISODOCUMENTSSHOULDBENOTEDTHISDOCUMENTWASDRAFTEDINACCORDANCEWITHTHEEDITORIALRULESOFTHEISO/IECDIRECTIVES,PART2SEEWWWISOORG/DIRECTIVESATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSISOSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSDETAILSOFANYPATENTRIGHTSIDENTIFIEDDURINGTHEDEVELOPMENTOFTHEDOCUMENTWILLBEINTHEINTRODUCTIONAND/ORONTHEISOLISTOFPATENTDECLARATIONSRECEIVEDSEEWWWISOORG/PATENTSANYTRADENAMEUSEDINTHISDOCUMENTISINFORMATIONGIVENFORTHECONVENIENCEOFUSERSANDDOESNOTCONSTITUTEANENDORSEMENTFORANEXPLANATIONONTHEVOLUNTARYNATUREOFSTANDARDS,THEMEANINGOFISOSPECIFICTERMSANDEXPRESSIONSRELATEDTOCONFORMITYASSESSMENT,ASWELLASINFORMATIONABOUTISOSADHERENCETOTHEWORLDTRADEORGANIZATIONWTOPRINCIPLESINTHETECHNICALBARRIERSTOTRADETBTSEETHEFOLLOWINGURLWWWISOORG/ISO/FOREWORDHTMLTHISDOCUMENTWASPREPAREDBYTECHNICALCOMMITTEEISO/TC198,STERILIZATIONOFHEALTHCAREPRODUCTSTHISSECONDEDITIONCANCELSANDREPLACESTHEFIRSTEDITIONISO1113852006,WHICHHASBEENTECHNICALLYREVISEDALISTOFALLPARTSOFISO11138CANBEFOUNDONTHEISOWEBSITEIVISO2017ALLRIGHTSRESERVEDDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EINTRODUCTIONISO111381SPECIFIESPRODUCTION,LABELLING,TESTMETHODSANDPERFORMANCEREQUIREMENTSFORTHEMANUFACTUREOFBIOLOGICALINDICATORSINCLUDINGINOCULATEDCARRIERSANDSUSPENSIONSINTENDEDFORUSEINVALIDATIONANDMONITORINGSTERILIZATIONPROCESSESTHISDOCUMENTGIVESSPECIFICREQUIREMENTSFORTHOSEBIOLOGICALINDICATORSINTENDEDFORUSEINLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESANNEXBGIVESRATIONALEFORTHELIQUIDPHASETESTMETHODFORLOWTEMPERATURESTEAMANDFORMALDEHYDEBIOLOGICALINDICATORSTHEISO11138SERIESREPRESENTSTHECURRENT“STATEOFTHEART”ACCORDINGTOTHEEXPERTSREPRESENTINGMANUFACTURERS,USERSANDREGULATORYAUTHORITIESINVOLVEDINDEVELOPINGTHESTANDARDTHEINTENTISNOTTOPROMOTETHEUSEOFBIOLOGICALINDICATORSWHERESUCHUSEISNOTADVISED,BUTTOPROVIDECOMMONREQUIREMENTSFORTHEPRODUCTIONOFTHOSEBIOLOGICALINDICATORSTHATAREKNOWNTOBEINUSETODAYASTANDARDEXISTSPROVIDINGGENERALREQUIREMENTSFORTHEVALIDATIONANDCONTROLOFLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESSEEISO25424NOTEITISPOSSIBLETHATSOMECOUNTRIESORREGIONSHAVEPUBLISHEDOTHERSTANDARDSCOVERINGREQUIREMENTSFORSTERILIZATIONORBIOLOGICALINDICATORSADVICEONSELECTION,USEANDINTERPRETATIONOFRESULTSWHENUSINGBIOLOGICALINDICATORSCANBEFOUNDINISO14161ISO2017ALLRIGHTSRESERVEDVDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017DOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017STERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSPART5BIOLOGICALINDICATORSFORLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSES1SCOPETHISDOCUMENTSPECIFIESREQUIREMENTSFORTESTORGANISMS,SUSPENSIONS,INOCULATEDCARRIERS,BIOLOGICALINDICATORSANDTESTMETHODSINTENDEDFORUSEINASSESSINGTHEPERFORMANCEOFSTERILIZATIONPROCESSESEMPLOYINGLOWTEMPERATURESTEAMANDFORMALDEHYDEASTHESTERILIZINGAGENTNOTE1REQUIREMENTSFORVALIDATIONANDCONTROLOFLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESAREPROVIDEDBYISO14937NOTE2REQUIREMENTSFORWORKPLACESAFETYCANBEPROVIDEDBYNATIONALORREGIONALREGULATIONS2NORMATIVEREFERENCESTHEFOLLOWINGDOCUMENTSAREREFERREDTOINTHETEXTINSUCHAWAYTHATSOMEORALLOFTHEIRCONTENTCONSTITUTESREQUIREMENTSOFTHISDOCUMENTFORDATEDREFERENCES,ONLYTHEEDITIONCITEDAPPLIESFORUNDATEDREFERENCES,THELATESTEDITIONOFTHEREFERENCEDDOCUMENTINCLUDINGANYAMENDMENTSAPPLIESISO1113812017,STERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSPART1GENERALREQUIREMENTS3TERMSANDDEFINITIONSFORTHEPURPOSESOFTHISDOCUMENT,THETERMSANDDEFINITIONSGIVENINISO111381ANDTHEFOLLOWINGAPPLYISOANDIECMAINTAINTERMINOLOGICALDATABASESFORUSEINSTANDARDIZATIONATTHEFOLLOWINGADDRESSESIECELECTROPEDIAAVAILABLEATHTTP/WWWELECTROPEDIAORG/ISOONLINEBROWSINGPLATFORMAVAILABLEATHTTPS/WWWISOORG/OBP/31LOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSINCORPORATINGFORCEDAIRREMOVAL,WHICHALLOWSEXPOSUREOFWRAPPEDGOODSTOSTEAMATSUBATMOSPHERICPRESSURE,ANDTHUSATTEMPERATURESLESSTHAN100C,WITHTHEADMISSIONOFFORMALDEHYDEGAS,KEEPINGTHESTERILIZINGAGENTINASTEADYSTATETHROUGHOUTTHEHOLDTIME4GENERALREQUIREMENTSTHEREQUIREMENTSOFISO111381APPLYINTERNATIONALSTANDARDISO1113852017EISO2017ALLRIGHTSRESERVED1DOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017E5TESTORGANISM51THETESTORGANISMSSHALLBESPORESOFGEOBACILLUSSTEAROTHERMOPHILUSOROTHERSTRAINSOFMICROORGANISMSOFDEMONSTRATEDEQUIVALENTPERFORMANCEASREQUIREDBYTHISDOCUMENTNOTE1BACILLUSSTEAROTHERMOPHILUSHASBEENRECLASSIFIEDASGEOBACILLUSSTEAROTHERMOPHILUSNOTE2GEOBACILLUSSTEAROTHERMOPHILUSNCIB8224,DSM6790,ATCC7953,ATCC10149ANDATCC12980HAVEBEENFOUNDTOBESUITABLE152IFATESTORGANISMOTHERTHANGEOBACILLUSSTEAROTHERMOPHILUSISUSED,THESUITABILITYOFTHERESISTANCEOFTHATTESTORGANISMSHALLBEDETERMINED6SUSPENSIONTHEREQUIREMENTSOFISO111381APPLY7CARRIERANDPRIMARYPACKAGING71THESUITABILITYOFTHECARRIERANDPRIMARYPACKAGINGMATERIALSFORBIOLOGICALINDICATORSFORUSEINLOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESSESSHALLBEDEMONSTRATEDINACCORDANCEWITHTHEREQUIREMENTSOFISO1113812017,52ANDANNEXBNOTECARRIERSBASEDONFILTERPAPERMIGHTNOTBESUITABLEBECAUSEOFTHECHEMISORPTIONOFFORMALDEHYDEONCELLULOSESURFACES72THEEXPOSURECONDITIONSTODETERMINECOMPLIANCESHALLBETHEFOLLOWINGAMINIMUMEXPOSURETEMPERATUREGREATERTHANOREQUALTO5CABOVETHEMANUFACTURERSSTATEDMAXIMUMEXPOSURETEMPERATUREBMAXIMUMEXPOSURETEMPERATUREASSTATEDBYTHEMANUFACTURERIFNOTSTATEDBYTHEMANUFACTURER,THEMAXIMUMEXPOSURETEMPERATURESHALLBEGREATERTHANOREQUALTO100CCEXPOSURETIMEGREATERTHANOREQUALTO160MINNOTETHESECONDITIONSHAVEBEENSELECTEDTOREPRESENTAREALISTICCHALLENGETOTHECARRIERWHILEREMAININGWITHINTHEPRACTICALLIMITSOFALOWTEMPERATURESTEAMANDFORMALDEHYDESTERILIZATIONPROCESS8INOCULATEDCARRIERSANDBIOLOGICALINDICATORSTHEREQUIREMENTSOFISO111381APPLY9POPULATIONANDRESISTANCE91THERESISTANCECHARACTERISTICSSHALLBESTATEDACCORDINGTOISO1113812017,6492THEVIABLECOUNTSHALLBESTATEDWITHINCREMENTSLESSTHANOREQUALTO0,110NPERUNITEGPERMLOFSUSPENSION,PERINOCULATEDCARRIERORPERBIOLOGICALINDICATOR93FORINOCULATEDCARRIERSANDBIOLOGICALINDICATORS,THEVIABLECOUNTSHALLBEGREATERTHANOREQUALTO1,01051THESEAREEXAMPLESOFSUITABLEPRODUCTSAVAILABLECOMMERCIALLYTHISINFORMATIONISGIVENFORTHECONVENIENCEOFUSERSOFTHISDOCUMENTANDDOESNOTCONSTITUTEANENDORSEMENTBYISOOFTHESEPRODUCTS2ISO2017ALLRIGHTSRESERVEDDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017E94THERESISTANCESHALLBEEXPRESSEDASTHEDVALUEINMINSAT60CTHEDVALUEOFEACHBATCH/LOTOFBIOLOGICALINDICATORSORINOCULATEDCARRIERSSHALLBESTATEDINMINUTESTOONEDECIMALPLACEAT60C95SUSPENSIONS,INOCULATEDCARRIERSORBIOLOGICALINDICATORSCONTAININGGEOBACILLUSSTEAROTHERMOPHILUSSPORESSHALLHAVEAD60VALUEOFGREATERTHANOREQUALTO6MINWHENTESTEDACCORDINGTOTHECONDITIONSINANNEXAOTHERMICROORGANISMSSHALLHAVEDVALUESSUPPORTINGTHEAPPLICATION96THERESISTANCECHARACTERISTICSSPECIFIEDINTHISDOCUMENTANDANYOTHERPARTOFISO11138SHALLBEDEFINEDUSINGTHESPECIFICCRITICALVARIABLESASSOCIATEDWITHTHEREFERENCEDSTERILIZATIONPROCESS97DVALUESAREDETERMINEDACCORDINGTOMETHODSGIVENINISO1113812017,ANNEXESCANDD98DETERMINATIONOFDVALUEANDSURVIVALKILLRESPONSECHARACTERISTICSAREBASEDONTHEPROCESSPARAMETERSINANNEXA99THESURVIVALKILLWINDOWSHOULDBECALCULATEDUSINGTHEFORMULAEINISO1113812017,ANNEXENOTETHISINFORMATIONCANBEOFVALUETOTHEUSERWHENCOMPARINGDIFFERENTBATCHESFROMTHESAMEMANUFACTUREREXAMPLEUSINGTHEFORMULAEINISO1113812017,ANNEXE,WITHTHEMINIMUMPOPULATIONANDMINIMUMDVALUEREQUIREMENTSSPECIFIEDINTHISDOCUMENT,THESURVIVALKILLRESPONSECHARACTERISTICSAREAT60CSURVIVALTIMEGREATERTHANOREQUALTO18MINANDKILLTIMELESSTHANOREQUALTO54MINISO2017ALLRIGHTSRESERVED3DOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EANNEXANORMATIVEMETHODFORDETERMINATIONOFRESISTANCETOLOWTEMPERATURESTEAMANDFORMALDEHYDEA1PRINCIPLETHISMETHODISBASEDONAQUALITATIVETESTONINOCULATEDCARRIERSIMMERSEDINANAQUEOUSSOLUTIONOFFORMALDEHYDETHISMETHODHASBEENSHOWNTOPROVIDEMOREREPRODUCIBLERESULTSTHANUSINGAVAPOURPHASE,CHAMBERMETHODSPECIFICREQUIREMENTSRELATEDTOTHETESTMETHODAREPROVIDEDINA3A2INOCULATEDCARRIEREXPOSURECONDITIONSA21THETESTSYSTEMCONSISTSOFTESTTUBESFILLEDWITH10MLOFAQUEOUSSOLUTIONOFFORMALDEHYDEANDHELDINANAUTOMATICALLYCONTROLLEDTEMPERATUREWATERBATHTHETESTSYSTEMSHALLBECAPABLEOFMAINTAININGTHECONDITIONSSPECIFIEDFOREXPOSUREPERIODSBETWEEN1MINAND150MINTOANACCURACYOF10SA22THEFORMALDEHYDECONCENTRATIONOFTHEAQUEOUSSOLUTIONSHALLBEDETERMINEDBYUSEOFANALYTICALCHEMICALMETHODSA23THEMETHODSHALLBEVALIDATEDA3PROCEDUREA31USEANASEPTICTECHNIQUEWHENPERFORMINGTHISTESTINORDERTOPREVENTADVENTITIOUSCONTAMINATIONA32COMPLETELYIMMERSETHEINOCULATEDCARRIERSINTHETESTTUBESFILLEDWITHTHEFORMALDEHYDESOLUTIONATACONCENTRATIONOF1MOL/L0,01MOL/LTHATHASBEENPREHEATEDTO60C0,5CA33ENSURETHATTHEINOCULATEDCARRIERSARECOMPLETELYIMMERSEDINTHEFORMALDEHYDESOLUTIONANDDONOTFLOATTOTHESURFACEA34ATTHEENDOFTHESPECIFIEDEXPOSURETIME,REMOVETHEINOCULATEDCARRIERSFROMTHEFORMALDEHYDESOLUTIONA35ELIMINATETHEEXCESSLIQUIDANDIMMERSETHECARRIERSINTHETESTTUBESFILLEDWITHAFILTEREDSOLUTIONOF2NA2SO3FORATLEAST10MINATAMBIENTCONDITIONSINORDERTOINACTIVATEFORMALDEHYDERESIDUESONTHECARRIERSCLOSETHETESTTUBESCARESHOULDBETAKENTOMINIMIZEAGITATIONINTHEFORMALDEHYDE,ASWELLASINTHENEUTRALIZERSOLUTIONTOPREVENT“WASHOFF”OFTESTORGANISMSNOTEHISTIDINEANDCYSTEINEHAVEBEENSHOWNTOBEEFFECTIVENEUTRALIZATIONAGENTS4ISO2017ALLRIGHTSRESERVEDDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EA36THEGROWTHMEDIUMSHALLBESPECIFIEDANDQUALIFIEDTOENSURERECOVERYOFTHETESTORGANISMSNOTESOYBEANCASEINDIGESTMEDIUMHASBEENFOUNDSUITABLEFORTHISTESTA37TRANSFERTHECARRIERSINTOTESTTUBESFILLEDWITH10MLOFTHEGROWTHMEDIUMACCORDINGTOA36CLOSETHETESTTUBESA38TREATTHETESTTUBESFOR60MINAT90CFORHEATACTIVATIONOFTHESPORESA39ATTHEENDOFTHEPROCESS,INCUBATETHECARRIERSSEEISO1113812017,CLAUSE7A4DETERMINATIONOFRESISTANCERESISTANCECHARACTERISTICSSHALLBEDETERMINEDACCORDINGTOMETHODSGIVENINISO1113812017,ANNEXESC,DANDEISO2017ALLRIGHTSRESERVED5DOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EANNEXBINFORMATIVERATIONALEFORTHELIQUIDPHASETESTMETHODFORLOWTEMPERATURESTEAMANDFORMALDEHYDEBIOLOGICALINDICATORSB1GENERALINORDERTOTESTINDICATORSINAREPRODUCIBLEMANNER,SPECIFICTESTEQUIPMENTRESISTOMETERSANDMETHODSAREUSEDFORTHELOWTEMPERATURESTEAMANDFORMALDEHYDEPROCESS,ITISEXTREMELYDIFFICULTTOCREATEASTABLEFORMALDEHYDEGASCONCENTRATIONINARESISTOMETER,SINCEDEFINEDAMOUNTSOFFORMALDEHYDEINJECTEDINTOAVESSELWILLDISSOLVEINTHESMALLAMOUNTSOFWATERDROPLETSCONDENSATEPRESENTTHECONCENTRATIONOFFORMALDEHYDEINTHISWATERIS1000TIMESTO10000TIMESHIGHERINCONCENTRATIONTHANINTHEGASPHASE,DEPENDINGONTHETEMPERATURE5ITISFORTHISREASONTHATTHISDOCUMENTUTILIZESALIQUIDPHASETESTMETHODWHERETHEFORMALDEHYDECONCENTRATIONISCLEARLYDEFINEDANDALLOWSREPRODUCIBLECONDITIONSB2THELOWTEMPERATURESTEAMANDFORMALDEHYDEPROCESSEVENWITHCONSTANTSTEAMCONDITIONSANDSTABLEFORMALDEHYDEGASCONCENTRATIONS,THESTERILIZATIONPROCESSDEPENDSHEAVILYUPONTHEDESIGNOFTHESTERILIZERCHAMBERANDTHENATUREOFTHELOADTHEFORMALDEHYDESTERILIZATIONPROCESSCANBECONSIDEREDSIMPLISTICALLYINTWOSTEPSAASINSTEAMSTERILIZATIONPROCESSES,ANAQUEOUSCONDENSATEFILMISCREATEDONTHESURFACEOFTHELOADNOTE1THISCONDENSATIONWILLOCCURVERYRAPIDLYBSINCETHECONCENTRATIONOFFORMALDEHYDEATEQUILIBRIUMBETWEENTHEGASANDLIQUIDPHASESISEXTREMELYDIFFERENT11000TO110000,THETIMETAKENFORTHISEQUILIBRIUMTOOCCURWILLBERELATIVELYLONGNOTE2INPRACTICALSITUATIONS,THISCANREQUIREATIMEFRAMEFROM10MINUPTO2HTHELETHALITYOFTHESTERILIZATIONPROCESSTHUSDEPENDSHEAVILYONTHEFORMALDEHYDECONCENTRATIONINTHELIQUIDPHASE,IESURFACECONDENSATEITCANBEVERYDIFFICULTTODETERMINEINABSOLUTETERMSTHETIMETAKENFORTHESEEQUILIBRIUMCONDITIONSTOBEACHIEVED6ISO2017ALLRIGHTSRESERVEDDOWNLOADFROMHTTP/BBSINFOEACHCOMDOWNLOADFROMHTTP/BBSINFOEACHCOMBSENISO1113852017ISO1113852017EBIBLIOGRAPHY1ISO14161,STERILIZATIONOFHEALTHCAREPRODUCTSBIOLOGICALINDICATORSGUIDANCEFORTHESELECTION,USEANDINTERPRETATIONOFRESULTS2ISO14937,STERILIZATIONOFHEALTHCAREP
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 农旅项目运营管理方案
- 高校教师期末个人工作总结(4篇)
- 《书籍装帧设计》 课件 项目8 儿童读物-《趣味剪纸》装帧设计
- 山东省高青县2023-2024学年七年级下学期期中考试语文试题
- 2024广西防城港市民族宗教事务委员会公开招聘3人高频考题难、易错点模拟试题(共500题)附带答案详解
- 临床医学科研与医学科研伦理探析
- 《选矿过程模拟与优化》第五章重力选模型
- 信息技术与小学英语教学的深度融合 论文
- 2022国庆节的活动策划方案
- 2024年石家庄工程职业学院单招职业技能测试题库加答案解析
- TCECS 833-2021 烟囱拆除工程安全技术规程
- 造船用门式起重机主梁设计说明书
- 湘教版高中美术选修:美术鉴赏 第一单元 第一课 什么是美术作品 课件(共16张PPT)
- 智慧树食品安全答案
- 最新部编版五年级语文下册第五单元教材分析
- 砼检查井自动计算表格Excel
- 新概念英语第三册课文下载
- 村卫生服务一体化管理实施方案
- 20T龙门吊基础设计计算书
- 《液压电梯安装过程检验记录》
- GA526-2010监室门
评论
0/150
提交评论