呼吸系统压力和流量数据收集装置,为闭环机械通风提供框架
Samuel Hastings1, Jacob Mildenhall1, Kayla Sinclair1
1Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand.
HardwareX
|July 18, 2025
概括
这项研究介绍了一种用于个性化机械通风的新型传感器系统. 该设备与数字双胞胎模型集成,以改善患者护理和重症监护病房的治疗结果.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械 医疗器械
- 密集护理医学 密集护理医学
背景情况:
- 机械呼吸带来了挑战,因为患者反应的高变化.
- 目前的断奶做法依赖于临床经验,导致护理不平等.
- 个性化机械通风可以解决这些不平等问题,并改善患者的治疗结果.
研究的目的:
- 开发和验证用于个性化机械通风的压力和流量传感器系统.
- 为闭环或半闭环机械通风器支创造一个框架.
- 将传感器系统与数字双胞胎模型集成,以改善患者护理.
主要方法:
- 该系统使用两个3D打印的定制Venturis和一个带有差压传感器的Y片.
- 测量包括标尺,吸入和呼出压力,工作范围为±50.8cmH2O.
- 通过ESP32-S3板进行蓝牙低能耗 (BLE) 通信,便于闭环框架.
主要成果:
- 传感器系统在流量数据中显示了3.2%的平均误差.
- 该设备可以实时传输压力数据,用于数字双胞胎模拟.
- 命令被发送到一个由BLE控制的通风机,建立一个闭环系统.
结论:
- 这种传感器系统为开发和验证个性化机械通风提供了基础.
- 与数字双胞胎模型的整合增强了个性化患者治疗的潜力.
- 该技术旨在提高重症监护室干预的质量和一致性.
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