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Mapping the risk of fracture of the tibia from penetrating fragments

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Title: Mapping the risk of fracture of the tibia from penetrating fragments
Authors: Nguyen, TT
Carpanen, D
Rankin, I
Ramasamy, A
Breeze, J
Proud, W
Clasper, J
Masouros, S
Item Type: Journal Article
Abstract: Penetrating injuries are commonly inflicted in attacks with explosive devices. The extremities, and especially the leg, are the most commonly affected body areas, presenting high risk of infection, slow recovery, and threat of amputation. The aim of this study was to quantify the risk of fracture to the anteromedial, posterior, and lateral aspects of the tibia from a metal fragment-simulating projectile (FSP). A gas gun system and a 0.78-g cylindrical FSP were employed to perform tests on an ovine tibia model. The results from the animal study were subsequently scaled to obtain fracture-risk curves for the human tibia using the cortical thickness ratio. The thickness of the surrounding soft tissue was also taken into account when assessing fracture risk. The lateral cortex of the tibia was found to be most susceptible tofracture,whose impact velocity at 50% risk of EF1+, EF2+, EF3+, and EF4+ fracture types –according to the modified Winquist-Hansen classification –were 174, 190, 212,and 282 m/s respectively. The findings of this study will be used to increase the fidelity of predictive models of projectile penetration.
Issue Date: Sep-2020
Date of Acceptance: 24-Aug-2020
URI: http://hdl.handle.net/10044/1/82659
DOI: 10.3389/fbioe.2020.544214
ISSN: 2296-4185
Publisher: Frontiers Media
Start Page: 1
End Page: 11
Journal / Book Title: Frontiers in Bioengineering and Biotechnology
Volume: 8
Copyright Statement: © 2020 Nguyen, Carpanen, Rankin, Ramasamy, Breeze, Proud, Clasper and Masouros. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) http://creativecommons.org/licenses/by/4.0/. The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Sponsor/Funder: The Royal British Legion
The Royal British Legion
Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: BMPF_P60304
Centre for Blast Injury Studie
Keywords: fracture
injury curve
lower extremity
penetrating injury
survival analysis
0699 Other Biological Sciences
0903 Biomedical Engineering
1004 Medical Biotechnology
Publication Status: Published
Article Number: 544214
Online Publication Date: 2020-09-16
Appears in Collections:Bioengineering
Faculty of Engineering

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