コルメラタイプセラミックス製人工耳小骨の最適設計　理論解析による人工耳小骨形状の決定

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  • Optimal design of columella-type ceramic artificial auditory ossicle. Determination of ossicle configuration by theoretical analysis.

説明

Nearly four years ago, a ceramic artificial auditory ossicle, which was said to be superior to the plastic one with respect to affinity and biocompatibility, was put on the market. However, the configuration of the ceramic artificial auditory ossicle was determined only by the easy of insertion when the surgical operation was performed, and the dynamic consideration was not taken into account. In this paper, an attempt is made to determine theoretically the optimal configuration of the columella-type ceramic artificial auditory ossicle from the standpoint of dynamics. The middle ear mechanical properities obtained from the measurement of the middle ear dynamical characteristics are used for the numerical calculation.

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