Capacitive sensing of electrocardiographic potential through cloth from the dorsal surface of the body in a supine position: A preliminary study
Capacitive sensing of electrocardiographic potential through cloth from the dorsal surface of the body in a supine position: A preliminary study
复制标题
DOI：
10.1109/tbme.2006.889201
复制
发表时间：
2007-04-01
影响因子：
4.6
通讯作者：
Ishiyama, Yoji
中科院分区：
文献类型：
--
作者：
Ueno, Akmori;Akabane, Yasunao;Ishiyama, Yoji
提出了一种当仰卧时通过在测量电极和受试者背表面的皮肤之间插入薄布来获得心电图电位的方法。该方法是基于电容耦合，涉及电极，布，和皮肤。对采用该方法的试验设备的检验表明：1）尽管在高频区增益衰减，但该方法被认为对监测心电图（ECG）的非诊断目的是有用的。2)该方法能够产生一个稳定的心电图从一个受试者在休息至少7它，并有没有显着的不利影响，长期测量的信号质量。3)与其他因素（如布厚度和耦合压力）相比，电极面积是对信号影响最大的因素，但对于心率检测，可以减少到10 cm（2）。4)假设器件的输入电容是高频区域增益衰减的主要因素，应考虑到诊断用途而降低。虽然在实际应用方面仍有改进的空间，但所提出的方法似乎很有希望应用于床上用品，作为一种无创和无意识的ECG监测方法。
A method for obtaining electrocardiographic potential through thin cloth inserted between the measuring electrodes and the skin of a subject's dorsal surface when lying supine has been proposed. The method is based on capacitive coupling involving the electrode, the cloth, and the skin. Examination of a pilot device which employed the method revealed the following: 1) In spite of the gain attenuation in the high frequency region, the proposed method was considered useful for monitoring electrogardiogram (ECG) for nondiagnostic purpose. 2) The method was able to yield a stable ECG from a subject at rest for at least 7 It, and there was no significant adverse effect of long-term measurement on the quality of the signal obtained. 3) Electrode area was the factor that had most influence on the signal, compared with other factors such as cloth thickness and coupling pressure, but could be reduced to 10 cm(2) for heart rate detection. 4) Input capacitance of the device was assumed to be the dominant factor for the gain attenuation in the high frequency region, and should be reduced with a view to diagnostic use. Although there is still room for improvement in terms of practical use, the proposed method appears promising for application to bedding as a noninvasive and awareness-free method for ECG monitoring.