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Calculation and application of wedge being cut for osteotomy in cubitus varus deformity
Author(s): YU Xi-lin, SHEN Xian-tao, YU Li-song, DONG Yao-hong
Pages: 637-
638
Year: 2005
Issue:
8
Journal: THE ORTHOPEDIC JOURNAL OF CHINA
Keyword: 肘内翻; 截骨角度; 设计;
Abstract: 目的:探讨用三角函数正切公式计算肘内翻楔形截骨角度和截骨量及手术方法和疗效.方法:肘内翻21例,内翻角15~45°,平均26.4°,其中超过30°有7例.用轴线相交法测得肘内翻的角度和健侧肘关节提携角,将所得数值代入三角函数正切公式,将截骨的楔形骨块对侧边的长度刻在肱骨外侧骨皮质上为C点,截断AB和CB连线的骨质,截骨完成后AB和CB两条线对合.结果:全部病例随诊时间1~4年,随诊时肘关节功能正常,提携角5~10°,无并发症.结论:通过对肘内翻楔形截骨设计和计算方法的改进,提高了截骨的精度,具有将模拟矫形转变为数字矫形的意义
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