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A wireless portable monitoring system for respiratory diseases using micro sensors is proposed. The monitoring system consists of two sensor nodes integrating with Bluetooth transmitters that measure users respiratory airflow, blood oxygen saturation, and body posture. The utility of micro hot-film flow sensor makes the monitor can acquire comprehensive respiration parameters which are useful for diagnoses of OSA, COPD and asthma. The system can serve as both sleep recorder and spirometer. Additionally, a mobile phone or a PC connecting with Internet serving as a monitoring and transfer terminal makes telemedicine achievable.
Several experiments were conducted to verify the feasibility and effectiveness of the proposed system for monitoring and diagnosing OSA, COPD and asthma.
