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Sensors 2016, 16(6), 849;

Novel Wearable Device for Blood Leakage Detection during Hemodialysis Using an Array Sensing Patch

Department of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
Department of Internal Medicine, Kaohsiung Veterans General Hospital Tainan Branch, Tainan 71051, Taiwan
Author to whom correspondence should be addressed.
Academic Editors: Teen-Hang Meen, Shoou-Jinn Chang, Stephen D. Prior and Artde Donald KinTak Lam
Received: 6 April 2016 / Revised: 21 May 2016 / Accepted: 3 June 2016 / Published: 9 June 2016
PDF [6403 KB, uploaded 9 June 2016]


Hemodialysis (HD) is a clinical treatment that requires the puncturing of the body surface. However, needle dislodgement can cause a high risk of blood leakage and can be fatal to patients. Previous studies proposed several devices for blood leakage detection using optical or electrical techniques. Nonetheless, these methods used single-point detection and the design was not suitable for multi-bed monitoring. This study proposed a novel wearable device for blood leakage monitoring during HD using an array sensing patch. The array sensing patch combined with a mapping circuit and a wireless module could measure and transmit risk levels. The different risk levels could improve the working process of healthcare workers, and enhance their work efficiency and reduce inconvenience due to false alarms. Experimental results showed that each point of the sensing array could detect up to 0.1 mL of blood leakage and the array sensing patch supports a risk level monitoring system up to 8 h to alert healthcare personnel of pertinent danger to the patients. View Full-Text
Keywords: hemodialysis (HD); array sensing patch; wearable device; risk level monitoring hemodialysis (HD); array sensing patch; wearable device; risk level monitoring

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Du, Y.-C.; Lim, B.-Y.; Ciou, W.-S.; Wu, M.-J. Novel Wearable Device for Blood Leakage Detection during Hemodialysis Using an Array Sensing Patch. Sensors 2016, 16, 849.

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