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KMID : 1123920130270030313
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Korean Journal of Oriental Physiology and Pathology
2013 Volume.27 No. 3 p.313 ~ p.317
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Real-Time Pressure-Measuring System for Evaluating the Depth of Pulse
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Cho Jong-Ho
Kim Dae-Bok
Kim Gi-Wang
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Abstract
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In order to standardize the pressure/depth against radial artery, the externally-applied-pressure measuring system was fabricated and evaluated. Based on the resistance-variable characteristic of the very thin() film conductive tape along the pressure of a tip of a examiner’s hand, this system was designed. The change of the pressure was processed through voltage regulator and Matlab S/W, then showed on computer monitor. The signal output through voltage regulator, and Matlab S/W was evaluated on various conditions. The evaluation was executed on these cases; an examiner slowly increases and decreases the pressure, rapidly increases and decreases the pressure, sequentially increases and decreases the pressure, sustains the pressure, micro-changes the pressure. As a pulse examiner varies the pressure on the radial artery of the examinee, the system’s real-time output consistently varies according to the pressure. From the results, it is concluded that this system consistently shows the pressure of the tip of a examiner’s hand in real time without interrupting the evaluation of the radial artery pulse. Therefore this system is expected to standardize the value of the pressure/depth externally applied by an examiner.
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KEYWORD
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radial artery, external pressure, thin film conductive tape, voltage regulator
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