Contactless sensors for Surface Electromyography

Muscle activity can be monitored by measuring the surface electromyography (SEMG) signal at the surface of the body. The SEMG signal is a combination of several activation signals sent through the muscle fibers triggering the contraction of the muscle. SEMG enables to access those signals non-invasively. Usually, metal plate electrodes in combination with electrolytic gel are placed in direct contact with the skin to measure SEMG. For prolonged monitoring of the muscle activity, this type of electrodes is not comfortable and can cause skin irritation. In this paper, we demonstrate capacitive electrodes capable of sensing the SEMG signal. These contactless electrodes do not require direct contact with the skin and thus they can be suitable for prolonged monitoring of the muscle activity

[1]  T. D. Clark,et al.  An ultra-low-noise electrical-potential probe for human-body scanning , 2000 .

[2]  T. Linz,et al.  ConText: Contactless Sensors For Body Monitoring Incorporated In Textiles , 2007, 2007 IEEE International Conference on Portable Information Devices.

[3]  M.R. Neuman,et al.  Insulated Active Electrodes , 1970, IEEE Transactions on Industrial Electronics and Control Instrumentation.

[4]  Kwang Suk Park,et al.  Common mode noise cancellation for electrically non-contact ECG measurement system on a chair. , 2005, Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference.

[5]  K. Park,et al.  The electrically noncontacting ECG measurement on the toilet seat using the capacitively-coupled insulated electrodes , 2004, The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.