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用碳纤维人工肋骨进行胸壁重建的有限元素分析和临床研究

Xiang Zhang¹, Zhixia Cai¹, Bo Liu¹

¹Hunan Tankang Biotech Co., LTD., Changsha, 410083, Hunan Province, People's Republic of China.

Scientific reports

|January 3, 2024

概括

碳纤维人工肋骨显示出出色的机械强度和生物相容性,用于胸壁重建. 有限元分析和临床数据证实了它们保持呼吸功能和承受冲击的能力.

科学领域:

生物材料科学生物材料科学
机械工程机械工程
整形外科手术整形外科手术

背景情况:

胸壁重建通常需要耐用和生物相容的植入物材料.
碳纤维复合材料为骨科应用提供有利的机械性能.

研究的目的:

评估碳纤维人工肋骨的生物力学和临床疗效,用于胸壁重建.
在静态和动态负载条件下评估机械性能.

主要方法:

用有限元分析 (FEA) 模拟呼吸和冲击场景.
生物机械模拟包括分离的人造肋骨模型和集成的人类肋骨重建.
临床结果被评估使用螺旋计测试在植入植入的患者.

主要成果:

静态模拟显示,在正常呼吸过程中,植入物对植入物的应力是最小的 (2.83 MPa),远低于材料的最终强度 (60 MPa).
动态模拟证明了人造肋骨能够承受巨大的冲击力而不会发生骨折的能力.
整合人造肋骨和人造肋骨的FEA模型显示,骨折耐力增加了48%.
临床随访表明,在13名患者中,10名患者在植入后保持了肺功能.

结论:

碳纤维人工肋骨表现出强大的机械性能和适用于胸壁重建的生物相容性.
FEA和临床数据验证了这些植入物适用于恢复呼吸功能和结构完整性的适用性.
与原生骨头的整合增强了重建的胸壁的机械弹性.

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