A stiffness sensor to help in the diagnosis and the surgery of orbital pathologies

Details A stiffness sensor to help in the diagnosis and the surgery of orbital pathologies A stiffness sensor to help in the diagnosis and the surgery of orbital pathologies

2006-10-22

arxiv.org/abs/physics/0610174v1

Proceedings of the Second International Conference Surgetica'2005: Computer-Aided Medical Interventions: tools and application

Physics

Medical Physics

Scientific paper

Proptosis is characterized by a protrusion of the eyeball due to an increase of the orbital tissue volume. To recover a normal eyeball positioning, the most frequent surgical technique (BROD technique) consists in the osteotomy of orbital walls combined with a loading on the eyeball to initiate tissue decompression. In this paper, a stiffness sensor device is proposed to (1) provide to the surgeon pre, intra and post-operative data concerning the stiffness of the intra-orbital soft tissues, and (2) provide constitutive parameters to the Finite Element model of the intra-orbital tissues already developed by the authors and used to predict consequences orbital surgery.

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