Abstract
Two and three dimensional finite element analysis of a human ceramic femoral replacement prosthesis has been performed. The models incorporate bone geometry digitised from computer aided tomography data (CAT scans). The models include the major load components for the ground reaction forces and patella reaction loads for a variety of standard activities, such as sitting, lifting, climbing stairs and walking. Standard gait forces were loaded quasi-statically to establish resultant stresses for a gait velocity of 1.41ms-1. The results of the finite element analysis were used to predict the reliability of the prosthesis in service.
Comparison was made between the two and three dimensional models to ascertain whether the two dimensional models could provide accurate stress distribution of the femoral prosthesis. Results of these analyses were utilised as a clinical tool for the design of a modular ceramic prosthesis. Strain gauging and fatigue testing of the ceramic component was carried out and the result compared to the finite element models.
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© 1995 Springer Science+Business Media Dordrecht
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Payten, W.M. et al. (1995). Modelling and Finite Element Analysis of a Ceramic Femoral Knee Prosthesis. In: Kossowsky, R., Kossovsky, N. (eds) Advances in Materials Science and Implant Orthopedic Surgery. NATO ASI Series, vol 294. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0157-8_10
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DOI: https://doi.org/10.1007/978-94-011-0157-8_10
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