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http://dx.doi.org/10.7742/jksr.2015.9.7.425

Accuracy Evaluation of Respiratory Air Flow Transducer for Artificial Ventilation  

Lee, In-Kwang (Department of Biomedical Engineering, School of Medicine, Chungbuk National University)
Park, Mi-Jung (Department of Biomedical Engineering, School of Medicine, Chungbuk National University)
Kim, Kyoung-Ok (Department of Nursing, Woosong College)
Shin, Eun-Young (Department of Biochemistry, School of Medicine, Chungbuk National University)
Shon, Ho-Sun (Database/Bioinformatics, Department of Software Engineering, Chungbuk National University)
Cha, Eun-Jong (Department of Biomedical Engineering, School of Medicine, Chungbuk National University)
Kim, Kyung-Ah (Department of Biomedical Engineering, School of Medicine, Chungbuk National University)
Publication Information
Journal of the Korean Society of Radiology / v.9, no.7, 2015 , pp. 425-431 More about this Journal
Abstract
Measurement accuracy was evaluated for the respiratory air flow transducer developed for applications under emergent situations. Pressure-Flow calibration equation was obtained by acquisition of air flow signals from the transducer in response to 6 flow waveforms, similar to those of artificial ventilation, generated by the standard flow generator system. Tidal volume and maximal flow rate were calculated on the flow signal then compared with the error-free data obtained by the linear displacement transducer of the flow generator system. Mean relative error of the tidal volume was within 3% and that of the maximal flow rate, approximately 5%, demonstrating accurate enough measurements. Therefore, the transducer could be applied to emergent situations to monitor the respiratory air flow signal as well as diagnostic parameters in real time.
Keywords
artificial ventilation; respiratory air flow transducer; tidal volume; maximal respiratory air flow rate;
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Times Cited By KSCI : 2  (Citation Analysis)
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