在前交叉带修复过程中,在不同的定向位置上进行内行为:一个计算有限元模拟
Ricardo Bastos1, Carla F Santos2, Renato Andrade3
1Dom Henrique Research Centre, Porto, Portugal; Clínica Espregueira - FIFA Medical Centre of Excellence, Porto, Portugal; Fluminense Federal University, Niterói, Rio de Janeiro, Brazil.
概括
前交叉带修复的最佳InternalBraceTM放置包括将其定位在前交叉带捆或从前交叉带穿过前交叉带到后侧股骨足迹. 这种技术可以减少修复前十字带的压力和应变.
科学领域:
- 整形外科手术 整形外科手术
- 生物机械工程 生物机械工程
- 运动医学运动医学
背景情况:
- 在InternalBraceTM技术提供了前十字带重建的替代方案.
- 最佳的手术位置对于最大限度地提高效益,并最大限度地减少修复前十字带的压力至关重要.
研究的目的:
- 确定InternalBraceTM在前交叉带内的理想位置,以减少手术压力.
- 用不同的InternalBraceTM位置来比较修复的前交叉带的应力和应变.
主要方法:
- 膝盖和前十字带的有限元模型被开发用于in silico分析.
- 在受损和未受损的条件下测试了五个InternalBraceTM位置.
- 压力和应变被评估并与健康,未受损的前十字带相比较.
主要成果:
- 没有InternalBraceTM,受损前十字带的峰值应变为8.1%,而未受损的前十字带则为4.8%.
- 使用InternalBraceTM减少了前十字带变形.
- 变形最显著的减少发生在InternalBraceTM处于前中束或从前中到后侧股骨足迹穿过时.
结论:
- 在前中束中放置InternalBraceTM或从前中到后侧股骨足迹的穿越导致了最低的峰值应力和应变.
- 这种最佳位置部分地将力量和变形从前交叉带转移到InternalBraceTM.
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