带诱导的女性PMHS在正面雪试验中的阴茎翼骨折风险曲线的发展
Karthik Somasundaram1, Narayan Yoganandan2, Frank Pintar2
1Medical College of Wisconsin, 5000 West National Ave, Research 151, Zablocki VA Medical Center, Milwaukee, WI, 53295, USA. ksomasundaram@mcw.edu.
Annals of biomedical engineering
|August 22, 2025
概括
这项关于女性骨盆在正面撞击中承受腰带负荷的研究发现,年龄较大和骨矿物质密度较低会增加骨折风险. 较高的体重指数可能会提供一些保护.
科学领域:
- 生物力学
- 伤害机制
- 汽车安全
背景情况:
- 安全带是自动驾驶汽车的主要安全装置.
- 了解女性骨盆损伤的生物力学对于安全至关重要.
- 之前的研究还没有完全描述翼骨折的值.
研究的目的:
- 估计女性骨盆翼对前额冲击时的腰带负荷的耐受性.
- 在女性受试者身上调查安全带负荷的骨盆骨折模式.
- 开发骨骨折的受伤风险曲线 (IRC).
主要方法:
- 进行了27个死后人体 (PMHS) 额头雪试验.
- 使用女性替代体 (小体重和肥胖) 在32公里/小时和50公里/小时的DeltaV.
- 根据年龄,体重指数和部骨质量来制定 IRC.
主要成果:
- 状翼骨折与现实世界的正面碰撞模式相匹配.
- 开发了两组IRC (A群:小女性,B群:所有女性).
- 在50%的概率下,腰带力量为5.55 kN (A群) 和6.24 kN (B群).
结论:
- 开发的IRC代表了被测试的雌性标本的特征.
- 年龄增加和部骨质量下降增加骨折风险.
- 较高的BMI可能会对骨盆骨折产生保护作用.
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