Astm stp 1445 2004

STP 1445 Crosslinked and Thermally Treated Ultra-High Molecular Weight Polyethylene for Joint Replacements Steven M Kurtz, Ray A Gsell, and John Martell, editors ASTM Stock Number: STPt445 INTERNATIONAL ASTM International 100 Barr Harbor Drive PO Box C700 West Conshohocken, PA 19428-2959 Printed in the U.S.A Library of Congress Cataloging-in-Publication Data Crosslinked and thermally treated ultra-high molecular weight polyethylene for joint replacements / Steven M Kurtz, Ray A Gsell, and John Martell, editors p cm - - (STP;1445) "ASTM Stock number: STP 1445." Includes bibliographical references and index ISBN 0-8031-3474-6 Orthopedic implants-Materials-Congress Polyethylene-Therapeutic use-Congresses Artificial joints-Congresses Biomedical materials-Congresses Implants, ArtificialCongresses I Kurtz, Steven M., 1968-II Gsell, Ray A., 1944-II1 Martell, John, 1957-IV ASTM special technical publication ; 1445 RD755.5.C768 2004 617.5'80592-dc22 2003~59~ Copyright 2004 ASTM Intemational, West Conshohocken, PA All rights reserved This material may not be 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 Rights Authorization to photocopy items for internal, personal, or educational classroom use, or the internal, personal, or educational classroom use of specific clients, is granted by ASTM International (ASTM) provided that the appropriate fee is paid to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923; Tel: 978-750-8400; online: http://www.copyright.com/ Peer Review Policy Each paper published in this volume was evaluated by two peer reviewers and at least one editor The authors addressed all of the reviewers' comments to the satisfaction of both the technical editor(s) and the ASTM International Committee on Publications To make technical information available as quickly as possible, the peer-reviewed papers in this publication 'were prepared "camera-ready" as submitted by the authors The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s), but also the work of the peer reviewers In keeping with long-standing publication practices, ASTM International maintains the anonymity of the peer reviewers The ASTM International Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM Intemational Printed in Saline,MI Foreword The Symposium on Crosslinked and Thermally Treated Ultra-High Molecular Weight Polyethylene (UHMWPE) for Joint Replacements was held in Miami Beach, Florida on 5-6 November, 2002 ASTM International Committee F04 on Medical and Surgical Materials and Devices served as the sponsor Symposium co-chairmen and co-editors of this publication were Steven Kurtz, Exponent, Inc., Philadelphia, PA; Ray Gsell, Zimmer, Inc., Warsaw, IN; and John Martell, University of Chicago, Chicago, IL iii Contents FOREWORD iii QUANTIFYINGCLINICALRESPONSE Generalized Size a n d Shape Description of U H M W P E W e a r D e b r i s - - A C o m p a r i s o n of Cross-Linked, E n h a n c e d Fused, a n d S t a n d a r d Polyethylene P a r t i c l e s - C M SPRECHER,E SCHNEIDER,AND M A WIMMER SHORT-TERM RETRIEVALS Microscopy of Highly Cross-Linked U H M W P E W e a r Surfaces-