Stress risers between two ipsilateral intramedullary stems: a finite-element and biomechanical analysis.

Abstract

Periprosthetic fracture after total joint replacement predominantly occurs at the stem tip. In this study, the effects of gap size, stem stability and cortical thickness between two press-fit, ipsilateral intramedullary stems on the tensile stresses created in the femur were investigated using finite-element models. The findings were confirmed with strain… (More)

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