评估一个无校准的无袖手套血压测量方法:试点研究
Cheng-Yan Guo1, Chia-Chi Chang2, Kuan-Jen Wang1
1Accurate Meditech Inc. New Taipei City 241406 Taiwan.
IEEE journal of translational engineering in health and medicine
|January 1, 2024
概括
这项研究引入了一种新的,负担得起的传感器,用于持续监测血压. 该设备在没有校准的情况下测量脉冲波速度,为患者提供更好的舒适度,并取代传统方法.
科学领域:
- 生物医学工程 生物医学工程
- 心血管生理学心血管生理学
- 医疗器械 医疗器械
背景情况:
- 传统的血压监测可能不舒服,需要经常校准.
- 需要非侵入性,持续的血压监测解决方案.
研究的目的:
- 开发一种低成本,高灵敏度的传感器,用于节奏对节奏的局部脉冲波速度 (PWV) 测量.
- 创建一个不需要回归模型校准的无袖血压计 (BPM).
主要方法:
- 设计了一个自适应算法来检测脉冲波特征,用于使用两个传感器进行本地PWV测量.
- 封装了压电传感器材料,并设计了一个模拟前端电路.
- 利用彩色超声波成像测量辐射动脉参数,通过莫恩斯-科尔特维格 (MK) 方程估计血压.
主要成果:
- 该系统在血压估计方面实现了高准确性,平均差异和标准偏差远处在临床标准范围内 (例如,静脉血压: -0.63 ± 5.14 mmHg).
- 已证明符合ISO 81060-2标准的非侵入性血压计.
- 验证了Moens-Korteweg方程与测量的动脉参数的使用.
结论:
- 开发了一种新的可穿戴,连续,无校准的BPM.
- 这项技术有可能取代传统的门诊BPM,减少患者的不适.
- 能够在临床环境中长期持续监测血压.
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