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Engineering and Computational Sciences for Medical Imaging in Oncology - ECSMIO 2010, Angers : France (2010)
A Preliminary Study For A Biomechanical Model Of The Respiratory System
Jacques Saadé 1, Anne-Laure Didier 1, Pierre-Frédéric Villard 2, 3, Romain Buttin 1, Jean-Michel Moreau 1, Michael Beuve 1, Behzad Shariat 1, 4
(05/2010)

Tumour motion is an essential source of error for treatment planning in radiation therapy. This motion is mostly due to patient respiration. To account for tumour motion, we propose a solution that is based on the biomechanical modelling of the respiratory system. To compute deformations and displacements, we use continuous mechanics laws solved with the finite element method. In this paper, we propose a preliminary study of a complete model of the respiratory system including lungs, chest wall and a simple model of the diaphragm. This feasibility study is achieved by using the data of a “virtual patient”. Results are in accordance with the anatomic reality, showing the feasibility of a complete model of the respiratory system.
1 :  Laboratoire d'InfoRmatique en Images et Systèmes d'Information (LIRIS)
CNRS : UMR5205 – Université Claude Bernard - Lyon I – Université Lumière - Lyon II – Institut National des Sciences Appliquées de Lyon – Ecole Centrale de Lyon
2 :  Imperial College London
Imperial College London
3 :  MAGRIT (INRIA Lorraine - LORIA)
CNRS : UMR7503 – INRIA – Université Henri Poincaré - Nancy I – Université Nancy II – Institut National Polytechnique de Lorraine
4 :  Département informatique - Université Lyon 1
Université Claude Bernard - Lyon I
MAGRIT
Informatique/Modélisation et simulation
Biomechanics – Respiratory system – Finite element method – Motion
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