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자성센싱 홀 소자 맥진기와 광용적맥파기로 척추자극과 온열치료 중에 측정한 공간맥파전달속도의 특성 연구
임재선,이정인,임예은,이한승,전찬호,이상석,정병조 한국자기학회 2022 韓國磁氣學會誌 Vol.32 No.6
A clip-type pulsimeter equipped with a semiconductor Hall device was developed by attaching a small permanent magnet to the center of the radial artery near the wrist to measure the change in the magnetic field generated by the movement of the pulse. Characteristics of the spatial pulse wave velocity (SPWV) measured continuously for 1 hr during which a magnetic sensing Hall element pulsimeter and a photoplethysmography device were worn at the same time with spinal stimulation and thermal treatment by a personal stimulator were investigated. Hypertensive male and normal female in their 20 years old were used as test subjects, and the SPWV data obtained during spinal stimulation and thermal therapy were graphed and then linear regression analysis was performed. The two subjects with hypertension and normal blood pressure showed a tendency to improve the peripheral vascular characteristics differently, with the SPWV gradually decreasing and increasing from 0.64 m/s and 3.84 m/s to 0.83 m/s and 2.69 m/s, respectively. Based on the results of this study, it is expected that vascular characteristics data for individual healthcare will be accumulated as big data and utilized to develop digital healthcare artificial intelligence algorithms for vascular diagnosis.