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《Journal of System Simulation》 2009-10
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Simulation of Geometric Anatomy Model of Human Knee Joint

WANG Jian-ping, QIAN Li-wei, WANG Cheng-tao(School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China)  
A healthy volunteer's knee was selected and acquired by a CT scanner.3D contours of skeleton, including femur, tibia and patella, were transferred to CAD software to perform surface reconstruction by a method called skinning.With MRI imaging modality, serial sectional MRI images were obtained.Ligaments, tendons, cartilage's, meniscus's boundary curves were selected to reconstruct the three-dimensional contours of Quadriceps tendon, Patella tendon, Tibia collateral ligament, Fibular collateral ligament, Posterior cruciate ligament, Anterior cruciate ligament, Meniscus and Femur, Tibia, Patella's cartilage.Through registration of point clouds reconstructed from CT and MRI modalities, soft tissues were assembled to bone structure solid model, and in this way bionic model was successfully established.After 3D solid bionic model of knee joint was built up, and a foundation for further mechanical analysis was laid.Knee joint prosthesis and simulation test-bed were designed by all above.
【Fund】: 国家自然科学基金重点项目(50535050 30530230)
【CateGory Index】: TP391.9
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