Finite Element Modelling of Rheological Property of Curing PMMA Bone Cement - Part 2 Effect of Bone Cement Amount

Abstract:

The only grouting material used for anchoring cemented arthroplasties to contiguous bones is PMMA (Polymethyl methacrylate) bone cement. In this study the flow of bone cement through porous cancellous bone is modelled to determine the degree of penetration in total hip replacement using FIDAP simulation software. Power law viscosity model is used with constant consistency index and power law index less than 1 for pseudoplastic behaviour of Simplex P® and Zimmer bone cement. The effect of bone cement amount has been investigated under four different prosthesis insertion velocity 5, 10, 15 and 20 mm/s. The result shows that the depth of penetration increases with decreasing bone cement amount. In the case of Zimmer bone cement more penetration through cancellous bone was observed than Simplex P® bone cement.

• Periodical: Journal of Biomimetics, Biomaterials and Tissue Engineering (Volume 13)
• Pages: 69-73
• DOI: https://doi.org/10.4028/www.scientific.net/JBBTE.13.69
• Online since: July 2012
• Authors: M.M. Rahman, Abdul Ghani Olabi, M.S.J. Hashmi
• Keywords: Bone Cement Rheology, Finite Element Analysis (FEA), Poly(methyl methacrylate) (PMMA), Power Law

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