Techniques on mesh generation for the brain shift simulation

Details Techniques on mesh generation for the brain shift simulation Techniques on mesh generation for the brain shift simulation

2007-10-02

arxiv.org/abs/0710.0509v1

Dans IFMBE Proceedings 18, IV Latin American Congress on Biomedical Engineering, CLAIB2007. - IV Latin American Congress on Bi

Physics

Medical Physics

Scientific paper

Neurosurgery interventions involve complex tracking systems because a tissue deformation takesplace. The neuronavigation system relies only on preoperative images. In order to overcome the soft tissue deformations and guarantee the accuracy of the navigation a biomechanical model can be used during surgery to simulate the deformation of the brain. Therefore, a mesh generation for an optimal real-time Finite Element Model (FEM) becomes crucial. In this work we present different alternatives from a meshgeneration point of view that were evaluated to optimize the process in terms of elements quantity and quality as well as constraints of a intraoperative application and patient specific data.

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