Computational fluid dynamics modeling of insertion and advancement of a reamer into the intramedullary canal of a long bone
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The effect of reaming velocity on the pressure distribution within the bone was investigated numerically by solving the full three-dimensional momentum equations together with the continuity equation using the finite element technique. Viscosity was also varied to obtain a pressure envelope. It was found that all the experimental data follow the same trends as the envelopes predicted by the finite element model. It was clear that an increase in either the implant insertion rate or the viscosity resulted in an increase in pressure in the intramedullary canal.
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