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Micromachines 2019, 10(1), 38; https://doi.org/10.3390/mi10010038

Development of ECG Monitoring System and Implantable Device with Wireless Charging

1
Electronic and Telecommunications Research Institute, Daegu 42994, Korea
2
Department of Radio Communication Engineering, Korea Maritime and Ocean University, Busan 49112, Korea
*
Author to whom correspondence should be addressed.
Received: 20 November 2018 / Revised: 24 December 2018 / Accepted: 4 January 2019 / Published: 8 January 2019
(This article belongs to the Special Issue Implantable Microdevices)
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Abstract

We developed an implantable electrocardiogram (ECG) monitoring system and demonstrated its performance through an in vivo test. In the system, the implantable device senses not only the ECG signal of the animal but also the voltage level of the secondary cell and temperature inside the implantable device, and users can check the transmitted information through a PC program or a mobile application. The adoption of wireless charging technology eliminates the use of a lead wire and repetitive surgery to replace the implantable device. The proposed wireless charging technology demonstrated experimentally a wireless power transfer efficiency of approximately 30%. To minimize the size of the implantable device, the antenna and coil were integrated into a size of 34 mm × 14 mm. Communication between the implantable device and the basestation can reach up to 2.4 m when the implantable device is inserted into a porcine skin sample. View Full-Text
Keywords: electrocardiogram (ECG); implantable device; MedRadio; wireless charging; wireless power transfer electrocardiogram (ECG); implantable device; MedRadio; wireless charging; wireless power transfer
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Lee, J.-H.; Seo, D.-W. Development of ECG Monitoring System and Implantable Device with Wireless Charging. Micromachines 2019, 10, 38.

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