在高速率的非穿透性形胸部冲击中,多间隔损伤风险较高
Juliette Caffrey1, Fang-Chi Hsu2, F Scott Gayzik1
1Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27101.
Journal of biomechanical engineering
|February 3, 2026
概括
粗的胸部冲击可以导致错过的腹部损伤. 有限元羊胸部模型 (FE-OTM) 可以通过分析撞击角度和组织应变来预测多部件损伤风险.
科学领域:
- 生物力学 生物力学
- 伤害生物力学 伤害生物力学
- 计算机建模 计算建模
背景情况:
- 形胸部冲击 (NPBI) 往往导致被忽视的腹部损伤,增加死亡率.
- 与穿透性伤害不同,粗撞击的位置很难预测.
- 绵羊模型已经显示出来自类似撞击地点的胸部和胸腔腹部损伤.
研究的目的:
- 评估有限元羊胸部模型 (FE-OTM) 用于预测多隔间损伤风险.
- 确定撞击角度是否会影响不同胸部区域的受伤风险.
- 根据冲击参数开发一个衡量损伤风险变化量化的指标.
主要方法:
- 在六个冲击角度 (0-25°) 中模拟了十二个胸部NPBIs.
- 分析了撞击路径下面和沿着撞击路径的组织组成和应变.
- 使用累积体积分析和斯皮尔曼等级相关性将撞击角度与应变体积度量度量联系起来.
主要成果:
- 腹部,肺部和肝脏组织被确定为关键.
- 在关键组织中,撞击角度和应变体积指标之间发现了强烈的相关性.
- 组织体积的变化直接与撞击方向相对应.
结论:
- 基于撞击角度,FE-OTM有效地预测了多部件损伤风险的变化.
- 为评估关键组织的损伤风险,建议使用第一个主要的应变体积指标.
- 这个模型提供了一种方法来预测来自的胸部冲击的损伤模式.
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