Home-use, wearable healthcare devices may enable patients to collect various types of medical data during daily activities. Electrocardiographic data are vitally important. To be practical, monitoring devices must be wearable, comfortable, and stable, even during exercise. This study develops a breathable, stretchable sensor sheet by employing a kirigami structure, and we examine the size dependence of electrocardiographic sensors. Because the kirigami film has many holes, sweat readily passes through the sensor from the skin to the environment. For comfort, in addition to breathability, electrocardiographic sensor size is minimized. The limitation of the size is studied in relation to the signal-to-noise ratio of electrocardiographic signals, even under exercise. We found that the optimal size of the sensor is ∼200 mm2 and the distance between electrodes is 1.5 cm. Finally, long-term wireless electrocardiographic monitoring is demonstrated using data transmission to a smart phone app during different activities.
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March 2022
Research Article|
March 29 2022
Wireless, minimized, stretchable, and breathable electrocardiogram sensor system
Special Collection:
Flexible and Smart Electronics
Yan Xuan;
Yan Xuan
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Hyuga Hara;
Hyuga Hara
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Satoko Honda;
Satoko Honda
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Yanpeng Li;
Yanpeng Li
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Yusuke Fujita;
Yusuke Fujita
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Takayuki Arie;
Takayuki Arie
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Seiji Akita
;
Seiji Akita
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
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Kuniharu Takei
Kuniharu Takei
a)
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
a)Author to whom correspondence should be addressed: [email protected]
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Yan Xuan
Hyuga Hara
Satoko Honda
Yanpeng Li
Yusuke Fujita
Takayuki Arie
Seiji Akita
Kuniharu Takei
a)
Department of Physics and Electronics, Osaka Prefecture University
, Sakai, Osaka 599-8531, Japan
a)Author to whom correspondence should be addressed: [email protected]
Note: This paper is part of the special collection on Flexible and Smart Electronics.
Appl. Phys. Rev. 9, 011425 (2022)
Article history
Received:
December 19 2021
Accepted:
February 14 2022
Citation
Yan Xuan, Hyuga Hara, Satoko Honda, Yanpeng Li, Yusuke Fujita, Takayuki Arie, Seiji Akita, Kuniharu Takei; Wireless, minimized, stretchable, and breathable electrocardiogram sensor system. Appl. Phys. Rev. 1 March 2022; 9 (1): 011425. https://doi.org/10.1063/5.0082863
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