Objective: to investigate the clinical results and value of custom made artificial total knee prosthesis in limb sparing surgery for malignant bone tumors around the knee joint.

目的：探讨定制人工膝关节假体在膝关节周围恶性骨肿瘤保肢治疗中的临床效果。

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Result the custom made prosthesis effectively increased the fitness of prosthesis bone interface. It enhanced the stability of implants and improved the hip function as well as relieved pain.

结果定制假体安置方便，与骨腔匹配好，增强了假体稳定性，缓解了疼痛，改善了髋关节功能。

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Methods 23 cases of bone tumors of proximal tibia were treated with segmental resection and reconstruction with custom-made total knee prosthesis since 1995.

方法1995以来对23例胫骨近端肿瘤行瘤段骨切除、定制人工膝关节置换术。

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Another prosthesis maker, Freedom Innovations, has been developing custom feet for amputees designed to facilitate skiers, swimmers, and most recently, a special request for a would-be Olympic snowboarder, said Steven Reinecke, executive vice president of research and development.

WSJ: Boston Marathon Amputees Face New Reality