A Stress Analysis of the Proximal Tibia after Insertion of the Endprosthesis

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概要

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• Detailed investigation for the local stress increment at the fixation post bottom of an artificial knee joint was performed by two-dimensional finite element method. A strain measurement was also conducted by wire strain gauges on a cancellous bone with a special method. It was made clear that a curvature with a certain extent of radius was necessary for the corner of a fixation post and application of acrylic cement with a certain extent of thickness (3 mm≥) was effective for stress relaxation, and that an optimum value (10-110 GPa) existed for elastic modulus of bone cement.

著者

• 伊勢亀 冨士朗

  Department of Orthopedic Surgery, School of Medicine Keio University

• 水野 正夫

  Faculty of Science and Technology, Department of Mechanical Engineering Keio University

• 戸松 泰介

  Department of Orthopedic Surgery, School of Medicine Tokai University

• 高橋 邦弘

  Faculty of Science and Technology, Department of Mechanical Engineering Keio University

• 丹羽 悦夫

  Tsurumi Factory, Tokyo Gas Co. Ltd.

関連論文

• A Stress Analysis of the Proximal Tibia after Insertion of the Endprosthesis

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