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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.
ECG 파형과 홀소자 맥진파형으로 동시 측정한 맥파전달속도 특성 연구
유재영(Jae-Young Yoo),최슬기(Suel-Gi Choi),김담비(Dam-Bee Kim),이상석(Sang-Suk Lee) 한국자기학회 2012 韓國磁氣學會誌 Vol.22 No.4
In the this research, two simultaneous peaks of radial artery pulse wave and ECG pulse wave measured by using clip-type pulsimeter and ECG were investigated in order to analyze pulse wave velocity. The measured value of a pulse wave velocity is about 5~7 ㎧, it is proved one new method to measure an exact value of pulse wave velocity more than the typical biomedical signal monitoring system. This result implies that data measured by the oriental medical diagnosis apparatus as pulsimeter is clinically used in future.