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Optimisation of composite bone plates for ulnar transverse fractures

Chakladar, N. D; Harper, Lee Thomas; Parsons, A. J.

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N. D Chakladar

Lee Thomas Harper

A. J. Parsons


Metallic bone plates are commonly used for arm bone fractures where conservative treatment (casts) cannot provide adequate support and compression at the fracture site. These plates, made of stainless steel or titanium alloys, tend to shield stress transfer at the fracture site and delay the bone healing rate. This study investigates the feasibility of adopting advanced composite materials to overcome stress shielding effects by optimising the geometry and mechanical properties of the plate to match more closely to the bone.

An ulnar transverse fracture is characterised and finite element techniques are employed to investigate the feasibility of a composite-plated fractured bone construct over a stainless steel equivalent. Numerical models of intact and fractured bones are analysed and the mechanical behaviour is found to agree with experimental data. The mechanical properties are tailored to produce an optimised composite plate, offering a 25% reduction in length and a 70% reduction in mass. The optimised design may help to reduce stress shielding and increase bone healing rates.

Journal Article Type Article
Acceptance Date Jan 25, 2016
Online Publication Date Feb 4, 2016
Publication Date Apr 1, 2016
Deposit Date Jul 22, 2016
Publicly Available Date Jul 22, 2016
Journal Journal of the Mechanical Behavior of Biomedical Materials
Print ISSN 1751-6161
Electronic ISSN 1751-6161
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 57
Public URL
Publisher URL


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