在开放的骨骨折的外部固定器中对Von Mises压力的有限元分析:在印度尼西亚患者中对ASTM F1541-02和基于骨的模型进行比较研究
Muhammad Kozin1, Muhammad Imam Ammarullah2,3,4, Abdulfatah Abdu Yusuf2,5
1Research Center for Advanced Materials Badan Riset dan Inovasi Nasional (BRIN) South Tangerang Banten Indonesia.
Healthcare technology letters
|February 13, 2026
概括
骨折的外部固定器是安全的,患者特定的模型提供比标准协议更现实的生物力学预测. 这项研究有助于优化骨折治疗设计.
科学领域:
- 生物力学 生物力学
- 整形外科手术 整形外科手术
- 医疗设备工程 医疗设备工程
背景情况:
- 交通事故在全球范围内造成创伤性骨折,特别是骨骨折.
- 开放的骨折有感染和非结合的风险,需要强大的稳定.
- 外部固定器是常见的,但它们的生物力学性能需要评估.
研究的目的:
- 分析印度尼西亚患者外部固定器的生物力学性能.
- 为了将标准协议 (ASTM F1541-02) 与患者特定的有限元分析进行比较.
- 评估固定装置的安全性和解剖学建模的影响.
主要方法:
- 外部固定装置的有限元分析 (FEA).
- 两个建模框架:ASTM F1541-02标准和患者特定的骨几何学.
- 在轴向压缩,扭曲和四点曲下进行应力分析.
主要成果:
- 来自ASTM标准的应力比患者特定模型更高,特别是在扭曲和曲下.
- 所有计算的应力都低于材料承强度,这表明固定装置的安全性.
- 针对患者的具体建模产生了更具生理现实的压力预测.
结论:
- 外部固定装置的设计是安全的骨骨折固定.
- 特定于患者的解剖学建模对于精确的骨科器械生物机械预测至关重要.
- 这些发现支持优化外部固定器设计和基于患者解剖学的局部制造.
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