Stretchable sEMG Electrodes Conformally Laminated on Skin for Continuous Electrophysiological Monitoring

Current electrophysiological monitoring is based on invasive electrodes or surface electrodes. Here, a surface electromyography (sEMG) electrode with self-similar serpentine configuration is designed to monitor biological signal. Such electrode can bear rather large deformation (such as >30%) under an appropriate areal coverage. And the electrode conformally attached on the skin surface via van del Waal interaction could furthest reduce the motion artifacts from the motion of skin. The capacitive electrodes that isolates the electrodes from the body also provide an effective way to minimize the leakage current. The sEMG electrodes have been used to record physiological signals from different parts of the body with sharp curvature, such as index finger, back neck and face, and they exhibit great potential in application of human-machine interface in the fields of robots and healthcare. Integrating wireless data transmission capabilities into the wearable sEMG electrodes would be studied in future for intelligent could healthcare platform.