目的：探讨骨片钉治疗骨端松质骨骨折的临床效果。
Objective: To discuss the clinical effect of the treatment of metaphyseal cancellous bone fracture with fragment fixation system implants (FFS).
目的探讨采用带骨干的人工关节置换术治疗骨端骨肿瘤的手术方法及效果。
Objective To study the operation methods and efficacy of joint prosthesis with artificial diaphysis for the treatment of tumors at the end of bone.
在一个健康的关节骨端内衬与关节软骨起到缓冲作用，可吸收震动的运动。
In a healthy joint the bone ends are lined with articular cartilage that ACTS as a cushion to absorb the shock of movement.
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