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Développement et modélisation d'éléments de prothèse pour la main

Abstract : As any functional joint, the proximal interphalangeal joint (PIP) is the target of hurts or of pathologies which can compromise the global functions of the hand. The main objectives of a digital arthroplasty are to restore the function and the stability of the joint and to reduce or suppress the pain in a long-lasting way. The present work of thesis concerns the development and the modeling of two concepts of PIP prostheses: a semiconstrained prosthesis made of nickel-titanium alloy and a resurfacing prosthesis. Besides the work of sizing, fatigue and wear tests are done on both implants. Additional studies are presented for each concept. First, we focus on the shaping and the heat treatments of the semi-constrained prosthesis accompanied with a study nickel ion release and an investigation on the involved mechanisms. Eventually, a finite element modeling of the interaction between the prosthesis and the surrounding bone is presented to estimate the primary stability of implants
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  • HAL Id : tel-01746328, version 1



Loïc Girod. Développement et modélisation d'éléments de prothèse pour la main. Médecine humaine et pathologie. Université Henri Poincaré - Nancy 1, 2010. Français. ⟨NNT : 2010NAN10076⟩. ⟨tel-01746328⟩



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