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可穿戴PPG多重传感器用于在弱磁场环境下测量皮肤湿度,温度和接触压力:第一步实验

Jiří Přibil1, Anna Přibilová1, Tomáš Dermek1

  • 1Institute of Measurement Science, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia.

Bioengineering (Basel, Switzerland)
|December 30, 2025
PubMed
概括

这项研究开发了一种可穿戴的多传感器设备,用于测量心率,皮肤水分和温度. 该设备显示了准确的心率读数,皮肤水分会影响光聚缩学信号质量.

科学领域:

  • 生物医学工程 生物医学工程
  • 可穿戴技术可穿戴技术
  • 生理监测 生理监测

背景情况:

  • 准确的生理监测对于医疗保健至关重要.
  • 可穿戴式传感器提供非侵入性和持续的数据收集.
  • 现有的可穿戴传感器面临着诸如皮肤水分等环境因素带来的挑战.

研究的目的:

  • 开发和验证一种新的可穿戴多传感器设备.
  • 评估皮肤状况 (干燥,正常,湿) 对传感器性能的影响.
  • 在磁共振成像 (MRI) 环境中评估设备的功能.

主要方法:

  • 开发了一种可穿戴设备,整合了光电解学 (PPG),湿度,温度和强度敏感电阻 (FSR) 传感器.
  • 屏蔽了多传感器以在弱磁场中工作.
  • 在MRI断层扫描仪中验证了传感器功能.
  • 用氧计进行比较测量,在不同的皮肤湿度条件下分析PPG和FSR信号.

主要成果:

  • 该设备与氧计心率测量结果有很好的对应性 (平均绝对误差<0.5分钟-1).
  • 皮肤干燥使PPG信号范围降低了7%,心脉冲宽度降低了8%.
  • 潮湿的皮肤增加了3%的PPG信号波纹,并减少了5%的HRPPG/HRFSR相关性.
关键词:
接触压力力测量测量接触压力力.皮肤的湿度和温度.可穿戴的光学传感器光学传感器.

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结论:

  • 开发的可穿戴多传感器设备对心率监测具有功能和准确性.
  • 皮肤湿度显著影响PPG信号质量和传感器数据可靠性.
  • 该设备显示了在各种条件下,包括MRI环境中的生理监测的潜力.