ASTM F2979-20 检索金属金属和其他硬硬髋关节假体从铰接表面磨损表征的标准指南.pdf

This nternational standard wasdevelopednacordan withnternationllyreogized priniplesonstandardization stablished intheDeisinonPrinciplesfor the Development of International Standards, Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:F2979-20 INTERNATIONAL StandardGuidefor CharacterizationofWearfromtheArticulatingSurfacesin RetrievedMetal-on-MetalandotherHard-on-HardHip Prostheses' jo o uop u u 6 upxy pn ps s ps s superscript epsilon (e) indicates an editorial change since the last revision or reapproval. original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A 1.Scopealthough the principles and techniques may be applicable to the 1.1 This standard guide provides options and a pendiumcharacterization of wear from the articulating surfaces. of information for measuring the bearing surface and estimat-1.6 This guide is intended as an extension to Practice F561 ing the in-vivo wear of explanted Metal-on-Metal (MoM) and as a Stage II nondestructive test. other “hard” (for example, ceramic) hip ponents. The1.7This standard may involve hazardous materials, guide covers the measurement of acetabular cups and femoral operations,and equipment.As a precautionary measure,ex- heads using a dimensional change method and is applicable to planted devices should be sterilized or disinfectedby an all prosthetic hip types, including stemmed (modular) and appropriatemeansthat doesnotadverselyafecttheimplantor resurfacing hip systems. theassociatedtissuethat maybethe subjectofsubsequent 1.2 The methods specified in this guide are not applicableanalysis.A detaileddiscussionofprecautions tobeusedin for measuring the in-vivo wear from non-articulating surfaces, handling human tissues can befound in ISO 12891-1.This for example modular connections (at the stem/neck, neck/head, standarddoesnotpurporttoaddressallofthesafetyconcerns...