[Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats]

[Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats] Research Abstract Details 

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[Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats] Abstract Text:

Ge Chen,Lida Gao,Yubo Fan,Wentao Jiang,Nengqian He,Guozhen Hui,Haixing Deng,

This study sought to make a biomechanical analysis of the diffuse axonal injury(DAI) animal model caused by nonimpact with half bound head in cats. A three-dimensional finite element model of cat's head was established. The head of an anesthetized cat was scanned in 2 mm section. The nods and element meshes were signed out according to the geometry of every section. The geometric data were put into the computer and the element mesh body of cat's head was established in vizi CAD system. The maximum stress, minimum stress and von Mises stress were calculated by Super SAP (93ed) finite elemental software when the force was loaded on the right or left side of model in zero section. The analysis showed that the maximum stress appeared in the anterior and posterior loaded point and extended to cranial base in the cranial shell. There was high stress in the brain surface also. Because of cerebellar tentorium, cerebral falx, petrosal bone and sellar process, the stress did not decrease equivalently while approaching the deep brain, but it was distributed in cerebral-cerebellar peduncles, brain stem, corpus callosum and basal ganglia area at high values. The results suggest that the stress caused by rotational force is widespreadly and unequivalently distributed in brain tissue, which is mainly effected by the cerebellar tentorium, cerebral falx and the irregular geometric forms of cranial bone.

[Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats] Publishing Authors By Initials

G Chen,L Gao,Y Fan,W Jiang,N He,G Hui,H Deng,

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[Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Sheng wu yi xue gong cheng xue za zhi = Journal of

VOLUME: 19

Page Numbers: 200-3

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ISSN: 1001-5515

DAY: 12

MONTH: Jun

YEAR: 2002

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LANGUAGE: chi

NlmUniqueID: 9426398

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Grant and Affiliation Information for [Finite element analysis of DAI animal model caused by nonimpact with half bound head in cats]

AFFILIATION: Dept of Neurosurgery, First Clinical Affiliated Hospital, Suzhou University, Suzhou 215006.

Country: China

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MEDLINETA: Sheng Wu Yi Xue Gong Cheng Xue

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