1302 種々の力学的環境での椎体内骨梁の荷重支持機能の可視化(OS13-1 生体材料力学の最前線-荷重支持のメカニックス-)

概要

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To investigate the mechanical responses of trabeculae in human lumber vertebra, this study proposes the visualization methodology of the load bearing function at the microscale. By virtue of the nature of the homogenization theory, the microscopic stress under various loading conditions can be calculated very easily. Together with the previously reported homogenized macroscopic properties, the mechanical characteristics of trabecular architecture have been summarized. Comparison between healthy and osteoporosis bones were made, and the mechanical contribution of plate-like trabeculae in healthy bone was carefully studied. It was found that the loss of plate-like trabeculae in osteoporosis bone resulted in the decrease of connectivity of load path network system.
2010-10-09