珠子串之间的曲刚度的比较 板骨替代结构在断裂间隙模型中用和不用曲Tee
Pei-Han Lu1, Kayla M Corriveau1, Ramsis Farag2
1Department of Clinical Sciences, Auburn University College of Veterinary Medicine, Auburn, Alabama, United States.
Veterinary and comparative orthopaedics and traumatology : V.C.O.T
|September 20, 2024
概括
在String of Pearls板块中曲tees并没有显著改变骨尾平面的刚度,但在模拟骨折的中侧平面上增加了它. 临床意义需要进一步调查.
科学领域:
- 骨科生物机械学 骨科生物机械学
- 生物材料科学是生物材料的科学.
- 手术植入物技术的使用.
背景情况:
- 珠宝链板为骨折提供了灵活的固定选项.
- 曲梯子是增强结构稳定的潜在附件.
- 曲Tee对String of Pearls结构的生物力学影响尚未完全理解.
研究的目的:
- 为了比较String of Pearls的曲性能,使用和不使用曲tees的板骨替代结构.
- 为了评估曲梯子在模拟断裂间隙中对结构刚性的影响.
主要方法:
- 乙烯基聚合物管和12孔,3.5毫米的String of Pearls板被用于创建结构.
- 测试了24个构造,其中12个包含曲式TES.
- 单循环,负载到故障的4点曲在尾和中侧平面进行.
主要成果:
- 所有建筑物都表现出塑性变形,表明结构完整性丧失.
- 在头骨后平面 (p=0.88) 中没有观察到硬度的显著差异.
- 统计学上显著的硬度增加发现在中侧平面与tees (p=0.0042).
结论:
- 使用曲式tee的String of Pearls构造在骨后平面显示出相当的硬度,在中侧平面显示出增加的硬度.
- 由于绝对差异很小,中侧平面观察到的硬度增加的临床相关性是不确定的.
- 建议进行进一步的研究,包括循环曲,扭曲和轴向压缩测试.
相关概念视频
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01:15Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity
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01:19Members Made of Elastoplastic Material
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