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Non-invasive respiratory monitoring using long-period fiber grating sensors

机译:使用长周期光纤光栅传感器的无创呼吸监测

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摘要

In non-invasive ventilation, continuous monitoring of respiratory volumes is essential. Here, we present a method for the measurement of respiratory volumes by a single fiber-grating sensor of bending and provide the proof-of-principle by applying a calibration-test measurement procedure on a set of 18 healthy volunteers. Results establish a linear correlation between a change in lung volume and the corresponding change in a local thorax curvature. They also show good sensor accuracy in measurements of tidal and minute respiratory volumes for different types of breathing. The proposed technique does not rely on the air flow through an oronasal mask or the observation of chest movement by a clinician, which distinguishes it from the current clinical practice.
机译:在无创通气中,连续监测呼吸量至关重要。在这里,我们介绍了一种通过单个纤维光栅弯曲传感器测量呼吸量的方法,并通过对18名健康志愿者进行校准测试测量程序来提供原理证明。结果在肺部容积变化和局部胸廓曲率的相应变化之间建立了线性关系。在测量不同类型呼吸的潮气量和分钟呼吸量时,它们还显示出良好的传感器精度。所提出的技术不依赖于通过口鼻罩的气流或临床医生对胸部运动的观察,这与当前的临床实践有所不同。

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