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在救护车运输期间评估患者运输条件
Pedro Vitor Uchima1, Sérgio Junichi Idehara1
1Department of Mobility Engineering, Federal University of Santa Catarina, Joinville, Santa Catarina, Brazil.
救护车运输的振动可以伤害患者. 优化担架设计和悬挂可以减少有害的振动,特别是在粗的道路上,在运输过程中保护患者的健康.
科学领域:
- 生物力学 生物力学
- 运输工程 运输工程
- 医疗器械设计 医疗器械设计
背景情况:
- 救护车运输涉及动态力量和振动,影响患者的健康.
- 道路不均导致垂直刺激,影响患者的舒适性和安全性.
- 了解这些振动对于减轻不良健康影响至关重要.
研究的目的:
- 在垂直振动下评估医疗担架上的患者运输条件.
- 分析担架支和车辆悬架参数对振动的影响.
- 确定与长时间的救护车运输相关的患者健康风险.
主要方法:
- 开发了一个八度自由度的患者-床架-车辆系统的数值模型.
- 使用实验数据从一个实际的应急车辆验证模型.
- 对担架支参数和模拟路况进行了灵敏度分析.
主要成果:
- 识别了人体范围内的自然频率 (子,腹部,脊柱),增加了对刺激的易感性.
- 证明,增加支架支的刚度和减噪降低了振动传输.
- 在质量差的道路上预测潜在的不舒服和不健康的振动幅度.
结论:
- 医疗担架支参数显著影响患者的舒适性和振动暴露.
- 在粗的道路上长时间的救护车运输 (>25分钟) 可能会带来健康风险.
- 优化担架设计和悬挂是提高紧急医疗运输期间患者安全的关键.
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