Material properties of the infant skull and application to numerical analysis of pediatric head injury.

Author(s)
Thibault, K.L. Kurtz, S.M. Runge, C.F. Giddings, V.L. & Thibault, L.E.
Year
Abstract

The impact response of the infant head depends not only on its unique geometry, but also on the age-dependent mechanical properties of the skull and sutures. In this study, human tissue samples containing cranial bone and sutures were taken from fresh surgical specimens and prepared as miniature specimens for mechanical testing in bending and tension. The constitutive behaviour for experimentally-determined infant skull and suture tissue was implemented in three-dimensional (3D) finite element models (FEM's) of the pediatric head to examine the sensitivity of skull and brain strains to variations in the impact direction. The head impact simulations demonstrated the directional dependence of skull fracture and traumatic brain injury risk. (A)

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Publication

Library number
C 16104 (In: C 16099) /84 / ITRD E203648
Source

In: Proceedings of the 1999 International IRCOBI Conference on the Biomechanics of Impacts, Sitges, Spain, September 23-24, 1999, p. 73-82, 19 ref.

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