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• Lee, S
• Nam, D
• Hong, Y
• Lee, W
• Son, I
• Kim, K
• Choi, J
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• Lee, S
• Nam, D
• Hong, Y
• Lee, W
• Son, I
• Kim, K
• Choi, J
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• Lee, S
• Nam, D
• Hong, Y
• Lee, W
• Son, I
• Kim, K
• Choi, J

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Sensors 2011, 11(2), 1784-1793; doi:10.3390/s110201784

Article

Measurement of Blood Pressure Using an Arterial Pulsimeter Equipped with a Hall Device

Sang-Suk Lee ^1,* , Dong-Hyun Nam ² , You-Sik Hong ³ , Woo-Beom Lee ³ , Il-Ho Son ¹ , Keun-Ho Kim ¹  and Jong-Gu Choi ⁴

¹ Department of Oriental Biomedical Engineering, Sangji University, Wonju 220-702, Korea ² Department of Biofunctional Medicine and Diagnosis, Oriental Medical College, Sangji University, Wonju 220-702, Korea ³ Department of Computer Science Engineering, Sangji University, Wonju 220-702, Korea ⁴ Department of Western-Eastern Biomedical Engineering, Sangji University, Wonju 220-702, Korea

* Author to whom correspondence should be addressed.

Received: 1 December 2010; in revised form: 27 January 2011 / Accepted: 29 January 2011 / Published: 31 January 2011

(This article belongs to the Special Issue Advanced Sensing Technology for Nondestructive Evaluation)

Download PDF Full-Text [403 KB, uploaded 31 January 2011 14:57 CET]

Abstract: To measure precise blood pressure (BP) and pulse rate without using a cuff, we have developed an arterial pulsimeter consisting of a small, portable apparatus incorporating a Hall device. Regression analysis of the pulse wave measured during testing of the arterial pulsimeter was conducted using two equations of the BP algorithm. The estimated values of BP obtained by the cuffless arterial pulsimeter over 5 s were compared with values obtained using electronic or liquid mercury BP meters. The standard deviation between the estimated values and the measured values for systolic and diastolic BP were 8.3 and 4.9, respectively, which are close to the range of values of the BP International Standard. Detailed analysis of the pulse wave measured by the cuffless radial artery pulsimeter by detecting changes in the magnetic field can be used to develop a new diagnostic algorithm for BP, which can be applied to new medical apparatus such as the radial artery pulsimeter.

Keywords: Hall device; blood pressure (BP); arterial pulsimeter; pulse waveform  

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