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

Lookup NU author(s): Dr Chaozong Liu, Professor Paul Gregg, Professor Andrew McCaskie

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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.

Publication metadata

Author(s): Liu C, Green SM, Watkins ND, Gregg PJ, McCaskie AW

Publication type: Article

Publication status: Published

Journal: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine

Year: 2003

Volume: 217

Issue: 2

Pages: 127-135

Print publication date: 01/02/2003

ISSN (print): 0954-4119

ISSN (electronic): 2041-3033

Publisher: Sage Publications Ltd

URL: https://doi.org/10.1243/09544110360579349

DOI: 10.1243/09544110360579349

PubMed id: 12666780

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