21111 ブタ膝引張試験によるPCL損傷の力学的・組織学的解析(バイオエンジニアリング(3),OS3 バイオエンジニアリング)

概要

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This study investigated how tensile speed affect the strength of posterior cruciate ligament (PCL) insertion to tibia using swine femur-PCL-tibia complex. This tensile tests 10mm/min and 500mm/min of displacement rate were performed by ten knees. As for the mode of failure, there were some difference between the 10mm/min and 500mm/min of displacement rate. At displacement rate of 10mm/min, the avulsion fractures suddenly occurred, whereas at 500mm/min of displacement rate, the PCL failure occurred initially by failure of posteromedial component followed by failure of anterolateral component until the complete separation of PCL to femur. At histological finding, local PCL ruptures were obserbed at 10mm/min and 500mm/min of displacement rate. Therefore, the failure mechanism of PCL was affected by the displacement rate.
一般社団法人日本機械学会の論文
2006-03-09