头部钝器损伤实验与仿真分析

Abstract

Abstract:

Objective　This study aims to investigate the head biomechanical responses and the mechanism of injury in blunt injury.　Methods　CT and MRI images of the human head were obtained to reconstruct the three-dimensional finite element(FE) model of the human head, including scalp, skull and the major internal soft tissues. Moreover, through a frontal impact to a cadaver head ,the contact force , the strain in the parital bone and the accceleration-time histories of the head were recorded. And then , the FE model was introduced into the biomechanical software MADYMO to simulate the aforementioned head impact. The time-history curves were created by the post processor of MADYMO. Results　The model was validated against cadaver responses for blunt impact. Good correlation between the model and the cadaver responses were achieved for the force , strain and acceleration.　Conclusions　The FE model and the simulation method can be used for head injury mechanism in medical simulation research.

Key words: Finite element model of the head, Injury biomechanics, Forensic science, Blunt injuries

CLC Number:

R318.01

CHEN Xin-Wu, ZHANG Mei-Chao, LI Huan-Xiang, LI Jie, ZHANG Jing. Head blunt injury in experimental and simulation analysis[J]. Chinese Journal Of Clinical Anatomy, 2013, 31(5): 572-576.

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Head blunt injury in experimental and simulation analysis

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