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A preliminary hip joint simulator study of the migration of a cemented femoral stem.

Liu, C. and Green, S. M. and Watkins, N. D. and Gregg, P. J. and McCaskie, A. W. (2003) 'A preliminary hip joint simulator study of the migration of a cemented femoral stem.', Proceedings of the I MECH E part H : journal of engineering in medicine., 217 (2). pp. 127-135.

Abstract

A hip joint simulator that can be used to evaluate the outcome of the cemented total hip replacement has been designed, manufactured and evaluated. The simulator produces motion of a cemented hip construct in the extension/flexion plane, with a socket to rotate internal/externally. At the same time a dynamic loading cycle is applied to the construct. A validation test was performed on a cemented femoral stem within a novel composite femur. The study demonstrates the value of using a hip joint simulator to evaluate the outcome of the cemented hip construct. A complex migration pattern of the cemented hip prosthesis with respect to load cycling was observed, demonstrated in vitro comparable prosthesis migration behaviour, both the stem migration and migration patterns, to that found clinically.

Item Type:Article
Keywords:Stem migration, Loosening, Total hip replacement, Creep-behavior, Validation, Prostheses, Femur.
Full text:PDF - Published Version (290Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1243/09544110360579349
Publisher statement:© Liu, C. and Green, S. M. and Watkins, N. D. and Gregg, P. J. and McCaskie, A. W. 2003. 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, 217, 2, pp. 127-135, 10.1243/09544110360579349
Record Created:29 Aug 2006
Last Modified:20 May 2011 16:48

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