Real-Time Simulation of Diaphragm Motion Through Muscle and Rib Kinematics

Abstract : Modelling of diaphragm behaviour is of relevance to a number of clini- cal procedures such as lung cancer radiotherapy and liver access interventions. The heterogeneity in tissue composition of the diaphragm, as well as the various physiological phenomena influencing its behaviour, requires a complex model in order to accurately capture its motion. In this paper we present a novel methodol- ogy based on a heterogeneous model composed of mass-spring and tensegrity elements. The physiological boundary conditions have been carefully taken into account and applied to our model. Thus, it incorporates the influence of the rib kinematics, the muscle natural contraction/relaxation and the motion of the ster- num. Initial validation results show that the behaviour of the model closely fol- lows that of a real diaphragm.
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Communication dans un congrès
Proceedings of he Workshop on 3D Physiological Human (3DPH), 2008, Zermatt, Switzerland. 2008
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Pierre-Frederic Villard, Wesley Bourne, Fernando Bello. Real-Time Simulation of Diaphragm Motion Through Muscle and Rib Kinematics. Proceedings of he Workshop on 3D Physiological Human (3DPH), 2008, Zermatt, Switzerland. 2008. 〈hal-00849186〉

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