【英文标准名称】:StandardPracticeforCyclicFatigueTestingofMetallicStemmedHipArthroplastyFemoralComponentsWithoutTorsion
【原文标准名称】:无扭转装有金属杆的髋关节成型术股骨部件的循环疲劳检验的标准实施规则
【标准号】:ASTMF1440-1992(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F04.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:arthroplasty;femoralcomponents;hiparthroplasty;metallicstemmedfemoralcomponents;orthopaedicmedicaldevices;Arthroplasty;Fatigue--surgicalimplantmaterials;Femoralsurgicalcomponents;Hipreplacementprosthesis;Metallicsurgicalimplant
【摘要】:Thispracticecanbeusedtodescribetheeffectsofmaterials,manufacturing,anddesignvariablesonthefatigueresistanceofmetallicstemmedfemoralcomponentssubjectedtocyclicloadingforrelativelylargenumbersofcycles.Therecommendedtestassumesax201C;worstcasex201D;situationwhereproximalsupportforthestemhasbeenlost.Itisalsorecognizedthatforsomematerialstheenvironmentmayhaveaneffectontheresponsetocyclicloading.Thetestenvironmentusedandtherationaleforthechoiceofthatenvironmentshouldbedescribedinthereport.Itisrecognizedthatactualinvivoloadingconditionsarenotofconstantamplitude.However,thereisnotsufficientinformationavailabletocreatestandardloadspectrumsformetallicstemmedfemoralcomponents.Accordingly,asimpleperiodicconstantamplitudeforceisrecommended.Inorderforfatiguedataonfemoralstemstobeusefulforcomparison,itmustbereproducibleamongdifferentlaboratories.Consequently,itisessentialthatuniformproceduresbeestablished.1.1Thispracticedescribesamethodforthefatiguetestingofmetallicstemmedfemoralcomponentsusedinhiparthroplasty.Thedescribedmethodisintendedtobeusedtoevaluatethecomparisonofvariousdesignsandmaterialsusedforstemmedfemoralcomponentsusedinthearthroplasty.Thispracticecoversproceduresfortheperformanceoffatiguetestsusing(asaforcingfunction)aperiodicconstantamplitudeforce.1.2Thispracticeappliesprimarilytoone-pieceprosthesesandmodularcomponents,withheadinplacesuchthatprosthesesshouldnothaveananterior/posteriorbow,andshouldhaveanearlystraightsectiononthedistal50mmofthestem.Thispracticemayrequiremodificationstoaccommodateotherfemoralstemdesigns.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4ForadditionalinformationseeRefs.(1-5).
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Reverseosmosisdrinkingwatertreatmentsystems
【原文标准名称】:反渗透饮用水处理系统
【标准号】:ANSI/NSF58(i47)-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:饮用水设备;饮用水处理;食品;个人保健;保护(装置);反渗透;水;水处理
【英文主题词】:Drinkingwaterinstallations;Drinkingwatertreatment;Foodproducts;Personalhealth;Protection;Reverseosmosis;Water;Watertreatment
【摘要】:Thepurposeofthisproposalistoupdatethepass/failcriterialevelsinTables1and2forcyclohexanone,methylethylketone,carbondisulfide,diethylphthalate,di-n-butylphthalate,butylbenzylphthalate,naphthalene,acetone,and1,4-dioxanetomatchthelevelsinNSF/ANSI61.
【中国标准分类号】:Q81
【国际标准分类号】:13_060_20
【页数】:
【正文语种】:英语