$Biomechanical evaluation of fracture construct for fracture fixation of the tibia$

Biomechanical evaluation of fracture construct for fracture fixation of the tibia

Plate osteosynthesis is one of the methods that can be used by surgeons to treat patients with bone fractures and irregularities. There are various osteosynthesis plates available commercially, but the most suitable implant with optimum screw configurations is highly subjective and remained a topic...

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Main Author:	Raja Izaham, Raja Mohd. Aizat
Format:	Thesis
Language:	English
Published:	2012
Subjects:	RD Surgery
Online Access:	http://eprints.utm.my/id/eprint/33721/5/RajaMohdAizatRajaIzahamMFBSK2012.pdf
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id	my-utm-ep.33721
record_format	uketd_dc
spelling	my-utm-ep.337212018-04-27T01:26:36Z Biomechanical evaluation of fracture construct for fracture fixation of the tibia 2012-06 Raja Izaham, Raja Mohd. Aizat RD Surgery Plate osteosynthesis is one of the methods that can be used by surgeons to treat patients with bone fractures and irregularities. There are various osteosynthesis plates available commercially, but the most suitable implant with optimum screw configurations is highly subjective and remained a topic of debate. The aim of the study is to determine the optimum implant-screws configuration and implant designs which could maintain stability of the construct during bone healing. The tibia bone was chosen for the analyses, and has been divided into three stages – the proximal, diaphyseal and distal part of the bone. Three-dimensional (3D) bone model was reconstructed from computed-tomography (CT) datasets, and the implant models were designed using computer-aided design software. Tibial fractures and deformities were simulated with reference to the orthopaedic literatures. Finite element analysis (FEA) was used with a common loading applied at the proximal tibia. Results showed that the use of Locking Compression Plate (LCP) for fracture fixation provides better stability to the construct despite having a large stress magnitude of 45.5 MPa (p-value<0.001). In terms of screws configurations, placement near the fractured site provides a more rigid fixation. In contrast, placing the screws further away from the fractured site gives flexibility to the fracture construct which may result in callus formation. For the pylon fracture, the Medial Distal Tibial (MDT) plate significantly reduced the displacement and stress magnitudes as compared to the Anterolateral (ATL) plate (p-value<0.001). 2012-06 Thesis http://eprints.utm.my/id/eprint/33721/ http://eprints.utm.my/id/eprint/33721/5/RajaMohdAizatRajaIzahamMFBSK2012.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Biosciences and Medical Engineering Faculty of Biosciences and Medical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	RD Surgery
spellingShingle	RD Surgery Raja Izaham, Raja Mohd. Aizat Biomechanical evaluation of fracture construct for fracture fixation of the tibia
description	Plate osteosynthesis is one of the methods that can be used by surgeons to treat patients with bone fractures and irregularities. There are various osteosynthesis plates available commercially, but the most suitable implant with optimum screw configurations is highly subjective and remained a topic of debate. The aim of the study is to determine the optimum implant-screws configuration and implant designs which could maintain stability of the construct during bone healing. The tibia bone was chosen for the analyses, and has been divided into three stages – the proximal, diaphyseal and distal part of the bone. Three-dimensional (3D) bone model was reconstructed from computed-tomography (CT) datasets, and the implant models were designed using computer-aided design software. Tibial fractures and deformities were simulated with reference to the orthopaedic literatures. Finite element analysis (FEA) was used with a common loading applied at the proximal tibia. Results showed that the use of Locking Compression Plate (LCP) for fracture fixation provides better stability to the construct despite having a large stress magnitude of 45.5 MPa (p-value<0.001). In terms of screws configurations, placement near the fractured site provides a more rigid fixation. In contrast, placing the screws further away from the fractured site gives flexibility to the fracture construct which may result in callus formation. For the pylon fracture, the Medial Distal Tibial (MDT) plate significantly reduced the displacement and stress magnitudes as compared to the Anterolateral (ATL) plate (p-value<0.001).
format	Thesis
qualification_level	Master's degree
author	Raja Izaham, Raja Mohd. Aizat
author_facet	Raja Izaham, Raja Mohd. Aizat
author_sort	Raja Izaham, Raja Mohd. Aizat
title	Biomechanical evaluation of fracture construct for fracture fixation of the tibia
title_short	Biomechanical evaluation of fracture construct for fracture fixation of the tibia
title_full	Biomechanical evaluation of fracture construct for fracture fixation of the tibia
title_fullStr	Biomechanical evaluation of fracture construct for fracture fixation of the tibia
title_full_unstemmed	Biomechanical evaluation of fracture construct for fracture fixation of the tibia
title_sort	biomechanical evaluation of fracture construct for fracture fixation of the tibia
granting_institution	Universiti Teknologi Malaysia, Faculty of Biosciences and Medical Engineering
granting_department	Faculty of Biosciences and Medical Engineering
publishDate	2012
url	http://eprints.utm.my/id/eprint/33721/5/RajaMohdAizatRajaIzahamMFBSK2012.pdf
_version_	1747816168898428928

Biomechanical evaluation of fracture construct for fracture fixation of the tibia

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