Registration of a Validated Mechanical Atlas of Middle Ear for Surgical Simulation

Guillaume Kazmitcheff^{1, 2}, Christian Duriez¹, Mathieu Miroir², Yann Nguyen^{2, 3}, Olivier Sterkers^{2, 3}, Alexis Bozorg Grayeli^{2, 3, 4}, and Stéphane Cotin¹

¹Shacra, Inria, Université Lille 1, Villeneuve d’Ascq, France

²UMR-S 867, Inserm, Université Paris 7 Denis Diderot, Paris, France

³AP-HP, Hôpital Beaujon, Service ORL, Clichy, France

⁴Université de Médecine, Service ORL, Dijon, France

Abstract. This paper is centered on the development of a new training and rehearsal simulation system for middle ear surgery. First, we have developed and validated a mechanical atlas based on finite element method of the human middle ear. The atlas is based on a microMRI. Its mechanical behavior computed in real-time has been successfully validated. In addition, we propose a method for the registration of the mechanical atlas on patient imagery. The simulation can be used for a rehearsal surgery with the geometrical anatomy of a given patient and with mechanical data that are validated. Moreover, this process does not necessitate a complete re-built of the model.

Keywords: Simulation & training systems, Atlases, Head and neck

LNCS 8151, p. 331 ff.

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