Demonstration of a Proprietary Chip for Dry-electrode ECG and Impedance Measurements
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Author
Theurillat, Patrick
Rapin, Michaël
Chételat, Olivier
Liechti, Pascal
DOI
Abstract
Classical approaches to make high-quality ECG measurements require the use of shielded cables connecting gel electrodes to a central unit. Moreover, impedance measurement requires at least two additional electrodes for current injection. CSEM has developed a concept based on dry-electrode sensors able to simultaneously measure ECG and thoracic impedance. Prototypes with discrete components were built to validate the correctness of CSEM approach [1]. Following this, an ASIC was realized in order to drastically reduce the system size. The small system size (56×25×5.5mm) and the simplicity of the cabling (only one unshielded and possibly uninsulated wire) make the system highly wearable and easy to integrate in a garment, thus improving the patient comfort. A demonstrator was realized in order to assess the ASIC performances in real life scenario. This paper presents the results of this development.
Publication Reference
CSEM Scientific and Technical Report 2017, p. 118
Year
2017