Biomechanical study of shaft fracture with the butterfly fragment: software simulation

G. Noia, G. Maccagnano, L. Sarni, C. Stigliani, G. Colacicco, R. Quitadamo, G. Vicenti, A. Ziranu, V. Pesce

Article ID: 5573
Vol 34, Issue 5S1, 2020
DOI: https://doi.org/10.54517/jbrha5573
Received: 8 November 2020; Accepted: 8 November 2020; Available online: 8 November 2020; Issue release: 8 November 2020

Abstract

The specific traumatic mechanism that leads to the formation of the butterfly fragment is debated in literature. The aim of the present study is to analyze the biomechanics of fractures with a "butterfly" fragment, using a software that simulates the movement of the lines of force (and related iso-displacement points) that occur on the bone, when traumatic forces are applied on it. We have shown that the formation of the butterfly fragment derives from the application of three forces (compression, torsion and bending) with the bending force that acts by increasing the curvature of the long bone


Keywords

butterfly fragment;biomechanical study;shaft;fractures


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