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Studies on bending limitations for the optimal fit of orthopaedic bone plates

Malekani, Javad, Schmutz, Beat, Gudimetla, Prasad, Gu, YuanTong, Schuetz, Michael, & Yarlagadda, Prasad K.D.V. (2013) Studies on bending limitations for the optimal fit of orthopaedic bone plates. Advanced Materials Research, 602-604, pp. 1181-1185.

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Abstract

Distal tibial fractures are now commonly treated via intermedullary plate fixation due to higher rates of union and lower rates of postoperative complications. However, patient specific bone morphology demands manual deformation of the plate to ensure appropriate fit along the bone Distal tibial fractures are now commonly treated via intermedullary plate fixation due to higher rates of union and lower rates of postoperative complications. However, patient specific bone morphology demands manual deformation of the plate to ensure appropriate fit along the bone contours, and depending on the material of the plate, different outcomes have been reported along with postoperative complications. A comparative analysis of Stainless Steel 316L and Ti-6Al-4V alloys was carried to estimate the safe bending limit for appropriate fits. The results from the ANSYS FEA simulations were validated with experiments based on ASTM F382-99. It is found that SS316L is better suited for large deformations (up to 16˚ in proximal tip and 7.5˚ in distal end) and Ti for smaller deformation contours (up to 3˚ in proximal tip and 1.8˚ in distal end). The results of this study have profound implications for the choice of plates based on preliminary radiographical fracture examinations to ensure better fixation and higher rates of union of distal tibial fractures.

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ID Code: 54059
Item Type: Journal Article
Additional URLs:
Keywords: Orthopedic Bone Plates, Deformation, Bending,, Mechanical properties, Finite Element Analysis (FEA), Stainless steel 316L, Ti-6Al-4V
DOI: 10.4028/www.scientific.net/AMR.602-604.1181
ISSN: 1022-6680
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Metals and Alloy Materials (091207)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Trans Tech Publications
Deposited On: 10 Oct 2012 09:17
Last Modified: 28 May 2013 15:08

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