使用灵活可穿戴的电容式压力传感器评估血压
Bijender1,2, Shubham Kumar1,2, Amit Soni1,2
1CSIR-National Physical Laboratory Dr K. S. Krishnan Marg New Delhi-110012 India ashok553@nplindia.org.
RSC advances
|December 7, 2023
概括
研究人员使用PDMS和DIW开发了一种新型电容式压力传感器,用粉增强,用于精确的血压监测. 这种灵活的可穿戴传感器对检测高血压和改善心血管健康管理充满希望.
科学领域:
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
- 传感器技术 传感器技术
背景情况:
- 对于灵活的可穿戴传感器的需求日益增长,用于持续监测健康状况,特别是高血压.
- 容量传感器提供实时生理指标,如血压 (BP) 和脉率 (PR).
- 在非侵入性血压测量中需要提高传感器性能和准确性.
研究的目的:
- 开发和描述一种用于人类血压监测的新型电容式压力传感器.
- 为了提高基于聚甲基 (PDMS) 和脱离离子水 (DIW) 的传感器的性能.
- 为了验证传感器的准确性和可靠性与既有医疗设备相比.
主要方法:
- 使用PDMS和DIW制造一个电容式压力传感器,用粉增强.
- 评估静态压力传感能力:灵敏度,检测极限和响应时间.
- 在160名参与者中通过振荡度波形 (OMW) 捕获和BP/PR测量进行临床验证.
主要成果:
- 传感器实现了高灵敏度 (0.021 Pa-1),低检测极限 (1 Pa) 和快速响应时间 (100 ms).
- 在所有参与者中成功捕获了OMW,证明了准确的血压测量与参考设备 (OMRON,血压计) 相比.
- 精确的PR测量,与参考BP设备良好一致.
结论:
- 开发的PDMS-DIW电容传感器在静态和动态压力测量方面表现出色.
- 该传感器是现有血压监测设备中压力传感元件的可行替代品.
- 这项技术有可能改善可穿戴式健康监测和高血压管理.
相关概念视频
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