使用皮肤可拉伸透气干粘合剂的可穿戴多导联心电图传感系统

IF 8.1 1区 医学 Q1 ENGINEERING, BIOMEDICAL
Yingxi Xie, Longsheng Lu, Wentao Wang, Huan Ma
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引用次数: 0

摘要

心电图(ECG)监测用于诊断心血管疾病,可穿戴电子设备因其轻便、舒适和可长期使用而备受关注。本研究利用皮肤可拉伸导电银(Ag)涂层纤维/硅酮(AgCF-S)干粘合剂开发了一种可穿戴多导联心电图传感系统。通过主动控制纤维密度和混合比例,优化了对猪皮的切向和法向粘附力(分别为 0.43 和 0.20 N/cm2),从而使电极-皮肤界面紧密接触。透气的 AgCF-S 干电极在连续贴合 24 小时后不会引起过敏,并且可以重复使用/清洗(100 次)而不会失去附着力。封装在硅树脂弹性体内的 AgCF 重叠在一起,在反复拉伸(10% 应变)和弯曲(90°)变形的情况下构建了一个动态网络,从而在高频振动(70 Hz)下实现了较小的本征阻抗(0.3 Ω,0.1 Hz)和接触阻抗变化(0.7 kΩ)。多导联心电图系统的所有硬/软模块都集成到了轻便的服装中,并配备了无线传输功能以实现信号可视化。通过同步采集 I-III、aVR、aVL、aVF 和 V4 导联数据,多导联心电图传感系统适用于运动、休息和睡眠等各种场景,信噪比极高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Wearable multilead ECG sensing systems using on-skin stretchable and breathable dry adhesives

Wearable multilead ECG sensing systems using on-skin stretchable and breathable dry adhesives

Electrocardiogram (ECG) monitoring is used to diagnose cardiovascular diseases, for which wearable electronics have attracted much attention due to their lightweight, comfort, and long-term use. This study developed a wearable multilead ECG sensing system with on-skin stretchable and conductive silver (Ag)-coated fiber/silicone (AgCF-S) dry adhesives. Tangential and normal adhesion to pigskin (0.43 and 0.20 N/cm2, respectively) was optimized by the active control of fiber density and mixing ratio, resulting in close contact in the electrode–skin interface. The breathable AgCF-S dry electrode was nonallergenic after continuous fit for 24 h and can be reused/cleaned (>100 times) without loss of adhesion. The AgCF encapsulated inside silicone elastomers was overlapped to construct a dynamic network under repeated stretching (10% strain) and bending (90°) deformations, enabling small intrinsic impedance (0.3 Ω, 0.1 Hz) and contact impedance variation (0.7 kΩ) in high-frequency vibration (70 Hz). All hard/soft modules of the multilead ECG system were integrated into lightweight clothing and equipped with wireless transmission for signal visualization. By synchronous acquisition of I–III, aVR, aVL, aVF, and V4 lead data, the multilead ECG sensing system was suitable for various scenarios, such as exercise, rest, and sleep, with extremely high signal-to-noise ratios.

Graphic abstract

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来源期刊
Bio-Design and Manufacturing
Bio-Design and Manufacturing Materials Science-Materials Science (miscellaneous)
CiteScore
13.30
自引率
7.60%
发文量
148
期刊介绍: Bio-Design and Manufacturing reports new research, new technology and new applications in the field of biomanufacturing, especially 3D bioprinting. Topics of Bio-Design and Manufacturing cover tissue engineering, regenerative medicine, mechanical devices from the perspectives of materials, biology, medicine and mechanical engineering, with a focus on manufacturing science and technology to fulfil the requirement of bio-design.
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