Abstract
Finite element method is the best means to obtain meaningful results in boneimplant system biomechanics. Since mechanical characteristics of bone change from person to person and, in the same person, they vary over the time, we have chosen to construct individual models, in terms of geometrical and mechanical characteristics, by means of X-ray images analysis. Our aim is to improve surgery planning and to evaluate patient follow-up. The application of the proposed procedure is illustrated through the construction of a bidimensional FEM model concerning a patient who underwent surgery for the implant of a total hip prosthesis with a six years follow-up. The paper shows that even a bidimensional individual model can give reliable clinical indications.
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