Textile-Based Capacitive Sensors for Respiration Monitoring

Merritt, Carey; Nagle, H. Troy; Grant, Edward

doi:10.1109/jsen.2008.2010356

Cited by 131 publications

(70 citation statements)

References 4 publications

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“…[ 47,48 ] These types of sensors can be highly accurate and can more easily detect certain conditions than chest-based sensors, such as respiratory obstructions in which air stops fl owing into the lungs despite continued motion of the chest. [ 45,49 ] Strain sensors on the torso also tend to respond to other body motions in addition to respiration, such as walking, speaking, and arm movement, [ 43,49,50 ] whereas sensors on the nose and throat are not susceptible to such motion artifacts. However, sensors on the nose and throat are likely to be more conspicuous and less comfortable than those on the torso.…”

Section: Reviewmentioning

confidence: 99%

“…[ 41 ] Both of these garments also included removable boxes carrying the data acquisition electronics. Nontextile sensing devices have been integrated into belts and garments as well, including slidingplate capacitive strain sensors, [ 50 ] crystalline conductive polymer fi lm strain gauges, [ 57 ] and optical fi bers. [58][59][60] There are, however, some downsides to the textile-integrated sensors.…”

Section: Reviewmentioning

confidence: 99%

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Monitoring of Vital Signs with Flexible and Wearable Medical Devices

et al. 2016

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Advances in wireless technologies, low-power electronics, the internet of things, and in the domain of connected health are driving innovations in wearable medical devices at a tremendous pace. Wearable sensor systems composed of flexible and stretchable materials have the potential to better interface to the human skin, whereas silicon-based electronics are extremely efficient in sensor data processing and transmission. Therefore, flexible and stretchable sensors combined with low-power silicon-based electronics are a viable and efficient approach for medical monitoring. Flexible medical devices designed for monitoring human vital signs, such as body temperature, heart rate, respiration rate, blood pressure, pulse oxygenation, and blood glucose have applications in both fitness monitoring and medical diagnostics. As a review of the latest development in flexible and wearable human vitals sensors, the essential components required for vitals sensors are outlined and discussed here, including the reported sensor systems, sensing mechanisms, sensor fabrication, power, and data processing requirements.

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Section: Reviewmentioning

confidence: 99%

Section: Reviewmentioning

confidence: 99%

Monitoring of Vital Signs with Flexible and Wearable Medical Devices

et al. 2016

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“…Some popular devices for this particular application are capacitive sensor [1], low-power radar system [2], vision system [3] and optical fiber technique using temperature sensor at nostril [4] and macro-bend sensor embedded into a stretchable textile [5].…”

Section: Review On Current Optical Fiber Sensor For Respiration Measumentioning

confidence: 99%

“…For the first type of respiration detection using capacitive sensor [1], two capacitive sensors were designed and fabricated for detecting chest or abdominal circumference. The sensor is placed on a respiration belt and can be applied to detect chest variation if maximum 60 mm.…”

Section: Review On Current Optical Fiber Sensor For Respiration Measumentioning

confidence: 99%

Respiration rate detection based on intensity modulation using plastic optical fiber

2017

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Abstract. This paper presents the implementation of respiration rate measurement via a simple intensitybased optical fiber sensor using optical fiber technology. The breathing rate is measured based on the light intensity variation due to the longitudinal gap changes between two separated fibers. In order to monitor the breathing rate continuously, the output from the photodetector conditioning circuit is connected to a low-cost Arduino kit. At the sensing point, two optical fiber cables are positioned in series with a small gap and fitted inside a transparent plastic tube. To ensure smooth movement of the fiber during inhale and exhale processes as well as to maintain the gap of the fiber during idle condition, the fiber is attached firmly to a stretchable bandage. This study shows that this simple fiber arrangement can be applied to detect respiration activity which might be critical for patient monitoring.

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“…Tawa et al used optical and acceleration sensors (8) . Merritt et al developed a textile-based sensor to monitor respiration (9) . These measurement systems have been well evaluated, but patients have difficulty understanding their respiratory function and sustaining motivation for rehabilitation using either a conventional tape measure or the other previously developed methods, because thoracic excursion is only measured.…”

Section: Introductionmentioning

confidence: 99%

Biofeedback Effect of Thoracic Excursion in Chest Expansion Training

Ando

Kawamura

Fujitani

et al. 2012

JBSE

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Improvement of thoracic mobility is important for patients with diseases such as chronic obstructive pulmonary disease (COPD). Chest expansion training is often conducted to increase the thoracic excursion. However, it is difficult for the patients to keep the motivation for rehabilitation, because the chest excursion is only measured. In this paper, we analyze the effect of real-time biofeedback on thoracic excursion. In 30 healthy subjects, thoracic excursion was increased by 6 mm (17%) when using the biofeedback system. Our results confirmed that we have developed an effective system for rehabilitation of respiratory function.

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Textile-Based Capacitive Sensors for Respiration Monitoring

Cited by 131 publications

References 4 publications

Monitoring of Vital Signs with Flexible and Wearable Medical Devices

Monitoring of Vital Signs with Flexible and Wearable Medical Devices

Respiration rate detection based on intensity modulation using plastic optical fiber

Biofeedback Effect of Thoracic Excursion in Chest Expansion Training

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