Study of retrieved acetabular sockets made from high-dose, cross-linked polyethylene

被引：26

作者：

Oonishi, H ^{[1
]}

Clarke, IC ^{[1
]}

Masuda, S ^{[1
]}

Amino, H ^{[1
]}

机构：

[1] Tominaga Hosp, Oonishi Mem Joint Replacement Inst, Naniwa Ku, Osaka 5560017, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2001年 / 16卷 / 08期

关键词：

ultra-high molecular weight polyethylene (UHMNWPE); crosslinked polyethylene (PE); retrieved study; oxidation; 100 Mrad PE;

D O I：

10.1054/arth.2001.28371

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Although ultra-high molecular weight polyethylene (UHMWPE) has stable chemical properties, chemical degradation, such as oxidation reaction, progresses with long-term clinical use. The purpose of this study was to investigate the change in properties of polyethylene (PE) in vivo by examining retrieved UHMWPE sockets and high-dose, cross-linked PE (100 Mrad PE) sockets. Twenty retrieved sockets (including 2 100 Mrad PE sockets), which were implanted from 1970 to 1996, were used for analysis. The oxidation index of 100 Mrad PE sockets was approximately the same as that of the normal UHMWPE sockets in worn areas. These long-term clinical results indicate that 100 Mrad PE is sufficiently stable for clinical use and that free radicals would not affect progression of oxidation significantly.

引用

页码：129 / 133

页数：5

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