The Influence of Artificial Ageing on the Stability of Ceramic Inserts in Sandwich Acetabular Cups

  • H. Schmotzer
  • M. Simnacher
  • M. Zuberbühler
  • K. Zweymüller
Conference paper
Part of the Ceramics in Orthopaedics book series (CIO)

Abstract

Ultrahigh molecular weight polyethylene (UHMWPE) was introduced in total hip arthroplasty by Charnley in 1962 as a bearing material articulating against a stainless steel ball head [3]. This combination prooted to be highly successful clinically in the short to medium term. However, already early on wear of UHMWPE was recognized as a potential source of problems. Attempts to improve on this issue were the introduction of ceramic ball heads made from high purity alumina ceramics or elimination of UHMWPE altogether by the use of hard-on-hard bearing, either metal-on-metal or ceramics-on-ceramics.

Keywords

Fatigue Titanium Migration Polyethylene Liner 

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Copyright information

© Steinkopff Verlag, Darmstadt 2003

Authors and Affiliations

  • H. Schmotzer
  • M. Simnacher
  • M. Zuberbühler
  • K. Zweymüller

There are no affiliations available

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