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Brown Gilbertson Good Wear of Articulating Surfaces:Understanding Joint Simulation STP 1472 Wear of Articulating Surfaces:Understanding Joint SimulationSTP 1472Stanley BrownLesley GilbertsonVictoria GoodEditorswww.astm.orgStock#STP1472ISBN 0-8031-4511-XISBN 978-0-8031-4511-5STP 1472Wear of Articulating Surfaces:Understanding Joint SimulationStanley A.Brown,Leslie N.Gilbertsonand Victoria D.Good,editorsASTM Stock Number:STP1472ASTM100 Barr Harbor DrivePO Box C700West Conshohocken,PA 19428-2959Printed in the U.S.A.ISBN:0-8031-3415-0ISBN:978-0-8031-3415-7Copyright 2006 AMERICAN SOCIETY FOR TESTING AND MATERIALSINTERNATIONAL,West Conshohocken,PA.All rights reserved.This material may notbe reproduced or copied in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy RightsAuthorization to photocopy items for internal,personal,or educationalclassroom use,or the internal,personal,or educational classroom use ofspecific clients,is granted by the American Society for Testing and MaterialsInternational ASTM provided that the appropriate fee is paid to the CopyrightClearance Center,222 Rosewood Drive,Danvers,MA 01923;Tel:978-750-8400;online:http:/ Review PolicyEach paper published in this volume was evaluated by two peer reviewers and atleast one editor.The authors addressed all of the reviewers comments to the satisfactionof both the technical editor?s?and the ASTM International Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts ofthe authors and the technical editor?s?,but also the work of the peer reviewers.Inkeeping with long-standing publication practices,ASTM International maintainsthe anonymity of the peer reviewers.The ASTM International Committee on Publicationsacknowledges with appreciation their dedication and contribution of time and efforton behalf of ASTM International.Printed in Lancaster,PAJanuary 2007ForewordThis publication Wear of Articulating Surfaces:Understanding Joint Simulation,con-tains papers presented at the symposium of the same name,held in Dallas Texas,onNovember 8,2005.The symposium was sponsored by ASTM Committee F04 on Medi-cal and Surgical Materials and Devices.Stanley A.Brown of the FDA Center for Devicesand Radiological Health in Rockville Maryland,Leslie N.Gilbertson of Zimmer,Inc.inWarsaw,Indiana,and Victoria D.Good of Smith and Nephew in Memphis,Tennessee,presided as symposium chairmen and are the editors of the resulting publication.Theeditors would like to thank Joanne Tipper from the University of Leeds,UK for presentingan invited paper.We would also would like to congratulate Dong Zhao a graduate stu-dent from the University of Florida,in Gainsville,Florida,who was the winner of thestudent paper contest.We would also thank the other authors who contributed to thesymposium,some of whom traveled from the United States,Switzerland,Australia,Aus-tria,and the United Kingdom,We would also like to express our thanks to the ASTM staffthat helped make the symposium and publication possible:most notably Dorothy Fitz-patrick for her help with the symposium planning and Maria Langiewicz for handling themanuscript submissions and Teri Vail,Vera Langstone,and Kristen Girardi from theJournal of ASTM International at the American Institute of Physics who handled theelectronic submissions and the publication preparation.We are indebted to all the re-viewers who volunteered their time and expertise for their careful consideration andcritique of the manuscripts.Stanley A.Brown FDA/CDRH,Rockville,Maryland,USALeslie N.Gilbertson Zimmer Inc.Warsaw,Indiana,USA Victoria D.Good Smith andNephew Memphis,Tennessee,USAContentsOverviewviiTOTAL KNEEEffects of Patient and Surgical Alignment Variables on Kinematics in TKR SimulationUnder Force-Control HANIHAIDER,PETERWALKER,JOHNDESJARDINS,ANDGORDONBLUNN3Wear Scar Prediction Based on Wear Simulator Input Data-A Preliminary ArtificialNeural Network ApproachDIEGOOROZCO,THORSTENSCHWENKE,ANDMARKUSA.WIMMER17Slip Velocity Direction Impacts Wear in TKATHORSTENSCHWENKE,LAURAL.BORGSTEDE,ERICHSCHNEIDER,ANDMARKUSA.WIMMER25A Simulator study of TKR kinematics using modeled soft tissue constraint:Virtual softtissue control for knee simulationBRUCEF.WHITE,DARRYLDLIMA,ALBERTC.DRUEDING,JOHNCOX,ANDFORESTJ.CARIGNAN30Computational Wear Prediction of UHMWPE in Knee ReplacementsDONGZHAO,W.GREGORYSAWYER,ANDBENJAMINJ.FREGLY45VERTEBRAL DISCRetrieval Analysis of Total Disc Replacements:Implications for Standardized WearTestingSTEVENKURTZ,RYANSISKEY,LAURENCICCARELLI,ANDR VANOOIJ,JOHNPELOZA,ANDMARTAVILLARRAGA53Surface Texture Analysis of Artificial Discs Wear-Tested under Different Conditionsand Comparison to a Retrieved ImplantPHILIPPEE.PARE,FRANKW.CHAN,PATRICKBUCHHOLZ,STEVENKURTZ,ANDMCCOMBEPETER65LUBRICANTS AND GENERALEstimation of Osteolytic Potential of Non-Crosslinked and crosslinked Polyethylenesand Ceramic-on-Ceramic Total