1006 整形外科デバイスの実験力学的評価 : 模擬骨応力場イメージング法(OS13-(2)オーガナイズドセッション《生体医工学及びバイオマテリアル》)

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  • 1006 Biomechanical evaluation of orthopedic devices : Stress field imaging technique of synthetic bone

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Thermoelastic stress analysis is a full-field, non-contact technique for surface stress mapping of materials and structures. The advantage of the method is its ability to image whole-surface stress (Δ (σ_1+σ_2)) distribution in specimens. An experimental system using the thermoelastic stress analysis method and a synthetic femur was utilized to perform reliable and convenient mechanical biocompatibility evaluation of prosthesis design. A device in which mechanoluminescent materials are applied to a synthetic bone is a "mechanoluminescent synthetic bone." Since the region subjected to load emits high intensity light in the visible region, the device has allowed high-definition and high- speed visualization of the mechanical dynamic environment. It is confirmed that they are very effective and complementally techniques in vitro biomechanics research and to contribute to a variety of biomechanical analyses and thus support the practical implementation of prosthetic devices.

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