膝－total knee design for enhancement of rom课件

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1、TotalKneeDesignforEnhancementofROMChing-ChuanJiangNationalTaiwanUniversityHospital西方社會彎曲活動角度<=1200上下樓梯>1050坐下起立>900東方社會彎曲活動角度>=1500不同角度的活動姿勢例如:坐下起立,上下樓梯,蹲下,盤腿而坐,跪坐..等較高度彎曲的角度達到高彎曲度的重點選擇病患手術技巧術後復健產品設計創造一個適合高度彎曲的環境以配合能高度彎曲的人工假體理想的人工假體設計應考慮到RollBackPosteriorContactAreaJumpHeigh

2、tDistanceImpingementPatellar/FemoralJointRollBackImpingementLPS-FlexMoreroll-backExtensorefficiencyincreasedLessRollBackCRPSPosteriorContactAreaLPSLPS-FLEXPointContactAreaContactPosteriorContactAreaLPSLPS-FlexExtendedcondylesLPStoLPS-FLEXPosteriorContactAreaFOURTHSURFACEPoste

3、riorContactArea1650130000PosteriorContactAreaCongruouscontactto130°Congruouscontactto1550LPSLPS-FLEXJumpHeightDistanceJumpHeightDistanceElongated/WidenedCamLPS-FlexLPSJumpHeightDistanceImpingementImpingementCUTOUTImpingementLPSLPS-FLEXPatellar/FemoralJoint反作用力肌腱力量90度彎曲角度肌肉力量P

4、atellar/FemoralJointPatellar/FemoralJoint高度彎曲角度肌肉力量髕骨受力減少反作用力肌腱力量Patellar/FemoralJointLockingMechanismAsecondarylockingmechanism(screw)isnecessaryforthe17mmand20mmarticularsurfaceAsecuredmetalinsertisanintegralpartofthe17mmand20mmarticularsurfaceOnthe17mmand20mmarticularsurfa

5、ces,ametaltaperplugorstemextensionmustbeusedtosecurethescrewFemale68year-old,Osteoarthritis,rightkneeThankyouHospital