Design effect on the mechanical response of Total Knee Replacement under high-compression loading
by Hajer Ketata, Abdelkader Krichen, Maher Dammak, Aref Maalej
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 4, No. 1, 2010

Abstract: This study was investigated to analyse the design effects of Total Knee Replacement on the response of tibiofemoral contact. Two prosthesis design and a parametric study (spherical cap on curved polyethylene specimen) were considered to investigate conformity and thickness effect. Three- and two-dimensional Finite Element (FE) models were developed. The investigation was to quantitatively analyse load, displacement, contact stiffness and area and stress. Comparison of the two prostheses and their corresponding elementary configurations showed that the two-dimensional FE model could be sufficient to predict the load-displacement relationships of the two prostheses and the contact area of the low conformity prosthesis.

Online publication date: Sat, 31-Jul-2010

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