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Design aspects of compliant, soft layer bearings for an experimental hip prosthesis.

Scholes, S. C. and Unsworth, A. and Blamey, J. M. and Burgess, I. C. and Jones, E. and Smith, N. (2005) 'Design aspects of compliant, soft layer bearings for an experimental hip prosthesis.', Proceedings of the I MECH E part H : journal of engineering in medicine., 219 (2). pp. 79-87.

Abstract

Currently, an artificial hip joint can be expected to last, on average, in excess of 15 years with failure due, in the majority of cases, to late aseptic loosening of the acetabular component. A realistic alternative to the problem of wear in conventional joints is the introduction of bearing surfaces that exhibit low wear and operate in the full fluid-film lubrication regime. Contact analyses and friction tests were performed on compliant layer joints (metal-on-polyurethane) and the design of a prototype ovine arthroplasty model was investigated. When optimized, these components have been shown to achieve full fluid-film lubrication.

Item Type:Article
Keywords:Total hip replacement, Polyurethane, Friction.
Full text:PDF - Published Version (375Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1243/095441105X9318
Publisher statement:© Scholes, S. C. and Unsworth, A. and Blamey, J. M. and Burgess, I. C. and Jones, E. and Smith, N. 2005. The definitive, peer reviewed and edited version of this article is published in Proceedings of the I MECH E part H : journal of engineering in medicine, 219, 2, pp. 79-87, 10.1243/095441105X9318
Record Created:18 Nov 2008
Last Modified:24 May 2011 09:28

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