目的探讨内侧髌股韧带重建术治疗复发性髌骨脱位及半脱位的手术方法及临床疗效。
To investigate the outcome of medial patellofemoral ligament reconstruction using the semitendinosus tendon for recurrent dislocation of the patella.
探讨正常内侧髌股韧带（MPFL）的抗拉强度和自体肌腱移植重建MPFL不同固定方法的生物力学特性。
To measure the tensile strength of the medial patellofemoral ligament(MPFL), and to evaluate the biomechanics of different fixation methods of the hamstring tendon graft on the patella.
探讨正常内侧髌股韧带（MPFL）的抗拉强度和自体肌腱移植重建MPFL不同固定方法的生物力学特性。
To measure the tensile strength of the medial patellofemoral ligament(MPFL), and to evaluate the biomechanics of different fixation methods of the hamstring tendon graft on the patella.
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