The development of a model for in vitro testing of femoral stems in impaction bone grafting

J. S. Heal; C. Gozzard; S. Gheduzzi; B. Grimm; I. D. Learmonth; A. W. Miles

doi:10.1243/09544119JEIM151

The development of a model for in vitro testing of femoral stems in impaction bone grafting

J. S. Heal^*, C. Gozzard, S. Gheduzzi, B. Grimm, I. D. Learmonth, A. W. Miles

^*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

Comprehension of the biomechanical behaviour of orthopaedic implants is essential. This paper describes the development of an in vitro model to investigate the behaviour of femoral implants in the revision setting. The development of a femoral model and a bone graft substitute is described. The properties of human, bovine, ovine morselized bone graft, and a graft substitute were compared. On measuring hoop strain after impaction bone grafting there was no significant difference between the ovine bone graft and graft substitute with the size 1 Exeter stem. The results suggest that this bone graft substitute is a viable alternative for in vitro testing. The authors recommend the use of the graft substitute and the femoral model to predict femoral stem biomechanics.

Original language	English
Pages (from-to)	377-384
Number of pages	8
Journal	Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Volume	221
Issue number	4
DOIs	https://doi.org/10.1243/09544119JEIM151
Publication status	Published - 2007
Externally published	Yes

Keywords

Bone graft
Hip
Impaction
Revision

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10.1243/09544119JEIM151

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title = "The development of a model for in vitro testing of femoral stems in impaction bone grafting",

abstract = "Comprehension of the biomechanical behaviour of orthopaedic implants is essential. This paper describes the development of an in vitro model to investigate the behaviour of femoral implants in the revision setting. The development of a femoral model and a bone graft substitute is described. The properties of human, bovine, ovine morselized bone graft, and a graft substitute were compared. On measuring hoop strain after impaction bone grafting there was no significant difference between the ovine bone graft and graft substitute with the size 1 Exeter stem. The results suggest that this bone graft substitute is a viable alternative for in vitro testing. The authors recommend the use of the graft substitute and the femoral model to predict femoral stem biomechanics.",

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AU - Learmonth, I. D.

AU - Miles, A. W.

PY - 2007

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AB - Comprehension of the biomechanical behaviour of orthopaedic implants is essential. This paper describes the development of an in vitro model to investigate the behaviour of femoral implants in the revision setting. The development of a femoral model and a bone graft substitute is described. The properties of human, bovine, ovine morselized bone graft, and a graft substitute were compared. On measuring hoop strain after impaction bone grafting there was no significant difference between the ovine bone graft and graft substitute with the size 1 Exeter stem. The results suggest that this bone graft substitute is a viable alternative for in vitro testing. The authors recommend the use of the graft substitute and the femoral model to predict femoral stem biomechanics.

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KW - Impaction

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The development of a model for in vitro testing of femoral stems in impaction bone grafting

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