A Fast-Response Breathing Monitoring System for Human Respiration Disease Detection

Wang, Xiaoyi; Ke, Zongqin; Liao, Guanglan; Pan, Xiaofang; Yang, Yatao; Xu, Wei

doi:10.1109/jsen.2022.3167023

Cited by 12 publications

(3 citation statements)

References 31 publications

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“…Mask sensor for calibration To overcome the above problem, we focused on our previous finding that the airflow at the mouth contains not only the frequency information but also the volume and strength values of the respiration and the heartbeat [16,17].The experiments were performed using small animals. In human, mask-type sensors on the face have been proposed to measure respiration volume [18][19][20]. Therefore, here we propose a novel calibration method for the wearable sensor based on the airflow at the mouth using a mask-type sensor as schematically illustrated in Fig.…”

Section: Heart Lung Wearable Accelerometermentioning

confidence: 99%

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Investigation of Calibration Methodology Using Mouth Airflow for Wearable Sensor Toward Quantitative Respiration Monitoring

Horie,

Al Farisi,

Hasegawa

et al. 2024

IEEJ Transactions Elec Engng

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Present wearable sensors are able to measure the frequency of vital signs such as respiration rate and heartbeat rate, but unable to measure those quantitatively, e.g. respiratory volume and heartbeat strength. Meanwhile, airflow at mouth contains both the respiration and the heartbeat quantitative signals. In this study, we propose a calibration method for a wearable vital sensor attached on the chest using the airflow at the mouth for quantitative respiration monitoring. An artificial ventilator and an experimental animal were introduced as test benches prior to human clinical experiment. As a proof of concept, a micro‐electro mechanical systems (MEMS) airflow sensor and a wearable accelerometer were implemented to both the test benches. The velocity output of the piston motion measured by the wearable sensor conformed with the airflow rate output, and the obtained results indicated that the wearable sensor can monitor not only the frequency of vital signs but also quantitative magnitudes such as the respiratory volume. © 2024 Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.

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Section: Heart Lung Wearable Accelerometermentioning

confidence: 99%

“…The experiments were performed using small animals. In human, mask‐type sensors on the face have been proposed to measure respiration volume [18–20]. Therefore, here we propose a novel calibration method for the wearable sensor based on the airflow at the mouth using a mask‐type sensor as schematically illustrated in Fig.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Calibration Methodology Using Mouth Airflow for Wearable Sensor Toward Quantitative Respiration Monitoring

Horie,

Al Farisi,

Hasegawa

et al. 2024

IEEJ Transactions Elec Engng

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show abstract

“…Various sensors and sensing methods have been developed to measure respiratory rate and/or lung capacity, including transthoracic impedance, blood O 2 /CO 2 concentration, and breathing airflow [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26]. Breathing air flow is typically detected by sensing pressure or temperature, and the adopted sensors may be resistive, thermoelectrical, pyroelectrical, or piezoelectric [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26]. Chen designed skin-like hybrid integrated circuits (SHICs) with stretchable sensors that could capture the temperature change of the inhaled and exhaled air.…”

Section: Introductionmentioning

confidence: 99%

A Flexible Thermocouple Film Sensor for Respiratory Monitoring

Miao

Gao

et al. 2022

Micromachines

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A novel flexible thermocouple film sensor on a polyimide substrate is proposed that is simple and flexible for monitoring the respiratory signal. Several thermocouples were connected in series and patterned on the polyimide substrate, and each one is formed by copper and a constant line connected to each other at two nodes. The respiratory signal was measured by the output voltage, which resulted from the temperature difference between the hot and cold junctions. The sensors were fabricated with surface-microfabrication technology with three sputtering steps. The measurement results showed that the peak voltage decreased by 90% in the case of apnea compared with normal breathing. The sensor has potential application for wearable detection of sleep apnea hypopnea syndrome (OSAHS).

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Deep-learning-assisted thermogalvanic hydrogel fiber sensor for self-powered in-nostril respiratory monitoring

Zhang,

Wang,

Ahmed Khan

et al. 2025

Journal of Colloid and Interface Science

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A Fast-Response Breathing Monitoring System for Human Respiration Disease Detection

Cited by 12 publications

References 31 publications

Investigation of Calibration Methodology Using Mouth Airflow for Wearable Sensor Toward Quantitative Respiration Monitoring

Investigation of Calibration Methodology Using Mouth Airflow for Wearable Sensor Toward Quantitative Respiration Monitoring

A Flexible Thermocouple Film Sensor for Respiratory Monitoring

Deep-learning-assisted thermogalvanic hydrogel fiber sensor for self-powered in-nostril respiratory monitoring

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