A Low-Power and Portable Biomedical Device for Respiratory Monitoring with a Stable Power Source

Sensors

Jiachen Yang³  Bobo Chen³  Jianxiong Zhou³  Zhihan Lv¹  Hung Cao² 

[1] Shenzhen Institutes of Advanced Technology(SIAT), Chinese Academy of Science, Shenzhen 518055, China; E-Mail:School of Electronic Information Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China;;School of Electronic Information Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China; E-Mails:

关键词: respiratory monitoring;    low power;    portability;    modulation technology;    flow measurement;    CO₂ concentration monitoring;   

DOI  :  10.3390/s150819618

来源: mdpi

【 摘 要 】

Continuous respiratory monitoring is an important tool for clinical monitoring. Associated with the development of biomedical technology, it has become more and more important, especially in the measuring of gas flow and CO concentration signal. Statistical analysis with the coefficient of variation was performed to find out the optimal driving voltage of the pressure transducer. Through targeted experiments, the biomedical device showed a high accuracy, with a measuring precision of 0.23 mmHg, and it worked continuously and stably, thus realizing the real-time monitoring of the status of patients.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.