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자성 홀소자 맥진기와 용적맥파계의 맥진파형을 이용한 혈류속도 측정 연구
장덕형(Deok-Hyeong Jang),김담비(Dam-Bee Kim),최슬기(Suel-Gi Choi),이상석(Sang-Suk Lee) 한국자기학회 2012 韓國磁氣學會誌 Vol.22 No.4
One prototype product of clip-type pulsimeter equipped with magnetic field sensing semiconductor Hall device after one permanent magnet attached “Chwan” position in center of a radial artery was developed. The clip-pulsimeter was composed of the hard ware system measuring to voltage signals. To measure the blood velocity, the radial artery pulsimeter is simultaneously connected the PPG (photoplethysmograph). Analysis and comparison of two pulse waves data has done obtained from a clinical test of forty subjects of 20 ages. The value of a blood velocity simultaneously measured from a radial artery puls wave and PPG is an average value of 0.8㎧. Theusage of this research results is possible to store the biomedical signals for health care.