Journal
SENSORS
Volume 21, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/s21206789
Keywords
wearable textile electrode; portable electrical impedance tomography; belt; EIT
Funding
- Industrial Technology Research Institute
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The study proposed textile electrodes integrated with a clothing belt to address issues such as evaporation of conductive gel and deterioration of signal quality during long-term EIT usage. Experimental results validated the effectiveness of the portable EIT system, and performance comparison with commercial electrocardiogram electrodes was conducted.
Electrical impedance tomography (EIT), a noninvasive and radiation-free medical imaging technique, has been used for continuous real-time regional lung aeration. However, adhesive electrodes could cause discomfort and increase the risk of skin injury during prolonged measurement. Additionally, the conductive gel between the electrodes and skin could evaporate in long-term usage and deteriorate the signal quality. To address these issues, in this work, textile electrodes integrated with a clothing belt are proposed to achieve EIT lung imaging along with a custom portable EIT system. The simulation and experimental results have verified the validity of the proposed portable EIT system. Furthermore, the imaging results of using the proposed textile electrodes were compared with commercial electrocardiogram electrodes to evaluate their performance.
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