在康复练习期间,通过近道骨折固定体验的内部负荷的确定
Peter Schwarzenberg1, Thomas Colding-Rasmussen2,3, Daniel J Hutchinson4
1AO Research Institute Davos, Davos, Switzerland.
Frontiers in bioengineering and biotechnology
|September 17, 2024
概括
一个新的AdhFix设备用于骨骨折显示承诺,承受模拟康复练习没有失败. 这种新的方法可能会减少手术中与传统金属板相关的重复手术.
科学领域:
- 骨科生物力学 骨科生物力学
- 生物材料科学是生物材料的科学.
- 手术方面的创新.
背景情况:
- 骨骨折很常见,影响到工作年龄的个人,并产生重大经济成本.
- 对于不稳定的骨折,传统的金属板固定提供了刚性,但由于软组织炎症和粘附,可能导致重新手术的增加.
- 一个新的AdhFix骨质合成平台使用光可固化聚合物旨在通过创建一个不粘附的板状结构来减轻这些问题.
研究的目的:
- 了解模拟康复期间骨板骨质合成的生物机械环境.
- 在模拟康复条件下评估AdhFix新型骨质合成技术的性能和存活率.
主要方法:
- 一项人手尸体研究使用塑料板固定3毫米骨切割.
- 手指曲模拟的康复练习,骨碎片的位移被立体相机系统跟踪.
- 样本特定的有限元素 (FE) 模型与位移数据相结合,计算了内部骨质合成负载.
- 创建了 AdhFix 补丁,并在类似条件下进行单调测试.
主要成果:
- 骨质合成中的内部曲时刻被测量为6.78 ± 1.62Nmm.
- 在模拟康复练习下的单调测试中,没有AdhFix补丁在单调测试中失败.
- 展示了一种在不承载运动中计算内部负荷的方法.
结论:
- 新型的AdhFix骨质合成溶液在受控环境下在传统的康复方案下证明了生存.
- 该研究提供了一种方法,用于评估早期康复期间骨合成器件的内部负载.
- 在AdhFix技术临床应用之前,需要进一步的研究.
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