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

C. Liu; S. M. Green; N. D. Watkins; P. J. Gregg; A. W. McCaskie

doi:10.1243/09544110360579349

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

C. Liu, S. M. Green, N. D. Watkins, P. J. Gregg, A. W. McCaskie

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

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.

Original language	English
Pages (from-to)	127-135
Number of pages	9
Journal	Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Volume	217
Issue number	2
DOIs	https://doi.org/10.1243/09544110360579349
Publication status	Published - 1 Feb 2003

Keywords

hip joint simulator
loosening
stem migration
total hip replacement

Access to Document

10.1243/09544110360579349

Cite this

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title = "A preliminary hip joint simulator study of the migration of a cemented femoral stem",

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.",

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