Journal
ENERGIES
Volume 13, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/en13040905
Keywords
wireless power transfer (WPT); implantable medical device; ECG monitoring device
Categories
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [NRF-2017R1A5A1015596]
- Korea Health Industry Development Institute (KHIDI) - Ministry of Health & Welfare, Republic of Korea [HI17C1314]
- Technology Innovation Program (Industrial Strategic Technology Development Program) - Ministry of Trade, Industry & Energy (MOTIE, Korea) [20001841]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20001841] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2017R1A5A1015596, 22A20151513091] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Implantable medical devices (IMDs) enable patients to monitor their health anytime and receive treatment anywhere. However, due to the limited capacity of a battery, their functionalities are restricted, and the devices may not achieve their intended potential fully. The most promising way to solve this limited capacity problem is wireless power transfer (WPT) technology. In this study, a WPT based implantable electrocardiogram (ECG) monitoring device that continuously records ECG data has been proposed, and its effectiveness is verified through an animal experiment using a rat model. Our proposed device is designed to be of size 24 x 27 x 8 mm, and it is small enough to be implanted in the rat. The device transmits data continuously using a low power Bluetooth Low Energy (BLE) communication technology. To charge the battery wirelessly, transmitting (Tx) and receiving (Rx) antennas were designed and fabricated. The animal experiment results clearly showed that our WPT system enables the device to monitor the ECG of a heart in various conditions continuously, while transmitting all ECG data in real-time.
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