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【英文标准名称】:StandardTestMethodsforDynamicEvaluationofGlenoidLooseningorDisassociation
【原文标准名称】:关节窝松动或分离的动态评定的标准试验方法
【标准号】:ASTMF2028-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:arthroplasty;glenoid;loosening;subluxation;totalshoulderreplacement19.1arthroplasty;disassociation;glenoid;subluxation;totalshoulderreplacement;Arthroplasty;Cyclicdisplacement;Disassociation;Displacement;Dynamicanalysis/tes
【摘要】:Thistestmethodisintendedtoinvestigatetheresistanceofaglenoidcomponenttoloosening.Glenoidlooseningisthemostcommonclinicalcomplicationintotalshoulderarthroplasty(seeX1.1).Themethodassumesthatlooseningoccursbecauseofedgeloading,oftencalledtherocking-horsephenomenon.Thistestmethodcanbeusedbothtodetectpotentialproblemsandtocomparedesignfeatures.Factorsaffectinglooseningperformanceincludearticulargeometry,flangegeometry,materials,fixationdesign,bonequality,andsurgicaltechnique.1.1Thesetestmethodsmeasurehowmuchaprostheticglenoidcomponentrocksorpivotsfollowingcyclicdisplacementofthehumeralheadtoopposingglenoidrims(forexample,superior-inferiororanterior-posterior).Performanceisjudgedbythetensiledisplacementoppositeeachloadedrimafterdynamicrocking.1.2Thesamesetupcanbeusedtotestthelockingmechanismofmodularglenoidcomponents,forexample,fordisassociation.1.3Thesetestmethodscovershoulderreplacementdesignswithmonolithicormodularglenoidcomponentsforcementedfixation.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:7P.;A4
【正文语种】:英语