一个新的自制的16通道电容心电图系统:对非接触式电极的调查和验证
Jinru Yang1,2, Tianjun Wang2, Haipo Cui1
1School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
Sensors (Basel, Switzerland)
|January 25, 2025
概括
一个新的电容心电图 (cECG) 系统使用非接触式电极进行方便的心脏监测. 该系统采集,保存和显示ECG数据,类似于传统方法.
科学领域:
- 生物医学工程 生物医学工程
- 心血管技术的心血管技术
背景情况:
- 电心电图 (ECG) 系统对于诊断和预防心脏病至关重要.
- 提高ECG系统的方便性和可用性对于广泛采用至关重要.
研究的目的:
- 开发一个定制的电容心电图 (cECG) 系统,以提高用户的便利性.
- 评估cECG系统在获取清晰准确的ECG信号方面的性能.
主要方法:
- 构建了一个cECG系统,集成一个湿电极,十六个非接触电极,ADS1299芯片和一个STM32F303MCU.
- 使用湿的Ag/AgCl电极实现偏差反,以减轻电力线噪声.
- 开发了人工物清除技术,以提高信号清晰度.
主要成果:
- 该cECG系统成功获取,保存和实时显示ECG数据.
- 偏差反显著抑制了电力线路噪声,在物件被移除后可以清晰辨别信号.
- 用电容电极获得的心电图信号与湿电极的信号相似.
结论:
- 开发的cECG系统为实时ECG监测提供了方便和有效的解决方案.
- 该cECG系统提供与传统湿电极方法相比的信号质量.
- 这种配置有助于改善家庭或临床心血管监测.
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