Finite element analysis of clavicle fracture with superior and anterior plate fixation

doi:10.3969/j.issn.2095-4344.2016.26.016

Abstract

Abstract:

BACKGROUND: Many scholars researched the biomechanics of middle clavicle fracture plate fixation, but little researched the plate position.

OBJECTIVE: To observe the biomechanical characteristics of anterior and superior plates for clavicle fracture with three-dimensional finite element models.

METHODS: Three-dimensional finite element models of clavicle fracture with anterior and superior plates were established. The stress after anterior and superior plate fixation was analyzed. The maximum stress and displacement of plate fixation for clavicular fracture were observed under compression, torsion and three-point bending.

RESULTS AND CONCLUSION: (1) In the compressed condition, the maximum stress and maximum fracture displacement were similar between the superior and anterior plate fixation (P > 0.05). (2) Under clockwise twist condition, the maximum stress and maximum fracture displacement were smaller in the superior plate fixation group than in the anterior plate fixation group (P < 0.05). (3) Under counterclockwise twist condition, the maximum stress and maximum fracture displacement were similar between the anterior and superior plate fixation groups (P > 0.05). (4) Under three-point bending condition, the maximum stress was similar between the superior and anterior plate fixation groups (P > 0.05). The maximum fracture displacement was bigger in the superior plate fixation group than in the anterior plate fixation group (P < 0.05). (5) These findings suggest that superior fixation of clavicle fracture reconstruction plate has more advantages than the anterior plate fixation.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Clavicle, Fractures, Bone, Internal Fixators, Finite Element Analysis, Tissue Engineering

CLC Number:

R318

Liu Dong, Wang Jian-ming, Zhang De-gang, Zhang Kai, Du Gang-qiang. Finite element analysis of clavicle fracture with superior and anterior plate fixation[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(26): 3903-3908.

Figures/Tables 4

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