【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