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Continuous measurement of blood pressure based on pulsetransit time PTT using GMR sensors is the state-of-art non-invasive cufflessmethod in which modulated magnetic signature of blood MMSB is used. In thispaper, the mechanism of MMSB is investigated. According to the experimentalresults, it is found that both blood pulse flowing through the applied magneticfield and the displacement of the GMR sensor caused by blood pulse contributeto the disturbance of magnetic field detected by GMR sensors. The feasibilityof MMSB method is discussed as well.

KEYWORDS

Blood Pressure; Magnetic Sensor; Pulse Transit Time

Cite this paper

Li, Y. , Gao, Y. and Deng, N. 2013 Mechanism of Cuff-Less Blood Pressure Measurement Using MMSB. Engineering, 5, 123-125. doi: 10.4236-eng.2013.510B025.





Autor: Yibin Li, Yangyu Gao, Ning Deng

Fuente: http://www.scirp.org/



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