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量化肘部真曲延伸和状轴之间的位置偏差:一项3D计算研究
Jonathan Zhi-Wei Gan1,2,3, Pivatidevi Pareatumbee1, Andy Yew1,3
1Academic Clinical Program-Musculoskeletal Sciences, Singapore General Hospital, Singapore, SGP.
Cureus
|November 4, 2024
概括
圆柱状轴与肘部的旋转差异较小,表现为圆柱状轴的旋转差异较小.
科学领域:
- 整形外科手术 整形外科手术
- 生物力学 生物力学
- 人体解剖学 解剖学 解剖学
背景情况:
- 脊柱骨是肘部关节整形和外部固定器应用的常见外科里程碑.
- 准确的地标识别对于成功的肘部手术至关重要.
研究的目的:
- 为了研究圆轴与肘部真正的曲-延伸 (F-E) 轴之间的旋转差异和转移偏移.
主要方法:
- 创建了15个尸体肘部的3D模型.
- 定义的表状,真正的F-E和远端部轴.
- 测量的旋转差异和转移偏移.
主要成果:
- 在轴之间观察到最小的旋转差异 (1.9-2.1度).
- 发现了相当大的转移偏移 (>10毫米),特别是在中侧 (M-L) 方向.
- 在M-L翻译偏移中记录了统计学上显著的差异.
结论:
- 虽然旋转差异很小,但存在显著的ML转化偏移.
- 在植入物对齐过程中必须考虑这些偏移,以防止不对齐和手术失败.
相关概念视频
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01:15Unsymmetric Bending - Angle of Neutral Axis
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