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防弹盔甲对冲击波的有效性:在狭窄的空间中防止爆炸伤害
Nobuaki Kiriu1,2, Daizoh Saitoh3,2, Yasumasa Sekine1,2
1Division of Traumatology, Research Institute, National Defense Medical College, Saitama, JPN.
Cureus
|May 6, 2024
概括
甲显著减少了暴露于强电波的猪的呼吸和心脏骤停. 避免呼吸停止似乎对在狭窄的空间中从爆炸伤害中生存至关重要.
科学领域:
- 创伤和伤害研究 创伤和伤害研究
- 爆炸伤害 生物力学 生物力学
- 保护设备的有效性 保护设备的有效性
背景情况:
- 爆炸伤害是一个重大威胁,由于恐怖主义,经常发生在狭窄的空间.
- 了解封闭环境中的爆炸伤害机制对于开发救命干预措施至关重要.
- 传统的开放场实验可能不能准确地反映现实世界的爆炸场景.
研究的目的:
- 在一个狭窄的空间模型中,研究防弹盔甲 (BA) 对爆炸引起的伤害的保护作用.
- 评估防护衣在冲击波暴露后对死亡率,心脏骤停和呼吸停止的影响.
- 在爆炸伤害场景中确定呼吸停止和生存之间的关联.
主要方法:
- 室内空气驱动的冲击波发生器 (爆炸管) 用于模拟受限空间爆炸事件.
- 猪被暴露在3.0MPa的冲击波中,分为带有和没有防弹盔甲 (BA) 的组.
- 测量结果包括呼吸暂停,心脏骤停,低血压,心肌梗塞,生存率和尸检结果.
主要成果:
- 在非人体盔甲组中,7只猪中有4只出现呼吸暂停,其中3只死亡.
- 防护套组中的所有8只猪都幸存下来,并没有经历呼吸停止.
- 盔甲显著降低了呼吸和心脏骤停 (p=0.026),但并没有降低整体存活率 (p=0.077).
结论:
- 佩戴足够的部和胸部保护的防护盔甲有效降低死亡率,并防止心脏和呼吸系统因冲击波暴露而停止工作.
- 呼吸停止是爆炸波伤害死亡的一个关键因素.
- 预防呼吸停止是改善爆炸伤害事件生存率的关键策略.
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