Optimisation of composite bone plates for ulnar transverse fractures

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 he...

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Main Authors: Chakladar, N. D, Harper, Lee Thomas, Parsons, A. J.
Format: Article
Published: Elsevier 2016
Online Access:https://eprints.nottingham.ac.uk/35167/
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author Chakladar, N. D
Harper, Lee Thomas
Parsons, A. J.
author_facet Chakladar, N. D
Harper, Lee Thomas
Parsons, A. J.
author_sort Chakladar, N. D
building Nottingham Research Data Repository
collection Online Access
description 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.
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spelling nottingham-351672020-05-04T17:38:36Z https://eprints.nottingham.ac.uk/35167/ Optimisation of composite bone plates for ulnar transverse fractures Chakladar, N. D Harper, Lee Thomas Parsons, A. J. 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. Elsevier 2016-04-01 Article PeerReviewed Chakladar, N. D, Harper, Lee Thomas and Parsons, A. J. (2016) Optimisation of composite bone plates for ulnar transverse fractures. Journal of the Mechanical Behavior of Biomedical Materials, 57 . pp. 334-346. ISSN 1751-6161 http://dx.doi.org/10.1016/j.jmbbm.2016.01.029 10.1016/j.jmbbm.2016.01.029 10.1016/j.jmbbm.2016.01.029 10.1016/j.jmbbm.2016.01.029
spellingShingle Chakladar, N. D
Harper, Lee Thomas
Parsons, A. J.
Optimisation of composite bone plates for ulnar transverse fractures
title Optimisation of composite bone plates for ulnar transverse fractures
title_full Optimisation of composite bone plates for ulnar transverse fractures
title_fullStr Optimisation of composite bone plates for ulnar transverse fractures
title_full_unstemmed Optimisation of composite bone plates for ulnar transverse fractures
title_short Optimisation of composite bone plates for ulnar transverse fractures
title_sort optimisation of composite bone plates for ulnar transverse fractures
url https://eprints.nottingham.ac.uk/35167/
https://eprints.nottingham.ac.uk/35167/
https://eprints.nottingham.ac.uk/35167/