4차산업혁명이 가속화되고, 의료혜택 취약환경인 원양어선이나 도서지역에서 생활하는 사람들의 원격의료에대한 수요가 높아짐에 따라 인체삽입형 장치에 대한 연구가 관심을 끌고 있다. 본 논문은 인체의 피하지방에 삽입하여 심전계 (Electrocardiogram; ECG) 신호를 모니터링하기 위한 인체삽입형 장치 (Implatnable Medical Device; IMD)의개발방안 및 성능평가를 전자회로 측면에서 살펴보도록 한다. ECG 시뮬레이터를 이용하여 ECG 센서의 정상동작 여부를 확인하고, ECG 센서를 비롯한 SoB (System-on-a-board)는 활성모드에서 18.82 mW의 저전력을 소모한다. 인체삽입형 장치를 돼지고기나 인체모사물질인 팬텀에 넣은 경우 베이스스테이션과 2.4 ~ 2.5 m의 최대 통신도달 거리를기록하였다. 본 개발에서는 인체삽입형 장치에 전원을 공급하기 위하여 리드선이나 1차전지가 아닌 무선으로 전력을공급하여 2차전지를 충전시키는 구조를 적용하였다. 이러한 무선전력전송 효율은 정류기 효율까지 고려하여 약 30% 로 측정되었다.
KSP Keywords
medical devices
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