Catheter sensor system for in-situ breathing and optical imaging measurements at airway in inside of lung
Catheter sensor system for in-situ breathing and optical imaging measurements at airway in inside of lung
复制标题
用于肺内气道原位呼吸和光学成像测量的导管传感器系统
DOI：
10.1007/s00542-020-04843-4
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
M. Shikida
中科院分区：
文献类型：
--
作者：
Y. Maeda;C. Okihara;Y. Hasegawa;K. Taniguchi;M. Matsushima;T. Sugiyama;T. Kawabe;M. Shikida
导管传感器系统包括一个管流量传感器与医疗篮钳和光纤系统的原位测量在气道中的肺系统。通过将包含两个加热器的传感器膜组装到管表面上来制造管流量传感器，并将篮钳安装到管传感器的内部空间中。将组装好的管流量传感器与网篮钳插入管中，并通过扩张网篮将其固定在管的中心。对管式流量传感器的流量检测特性进行了实验研究。从传感器输出与流速曲线导出基于King定律的校准方程，并且对于兔子和人的呼吸测量获得了60 ms的足够短的响应时间。最后，将具有篮式镊子和光纤镜的管流量传感器系统化成直径为5.0mm的单管，用于气道中的原位测量。开发的系统成功检测到兔子呼吸气流波形和气道内的光学图像。
A catheter sensor system composed of a tube flow sensor with a medical basket forceps and an optical fiberscope was systemized for in-situ measurements in the airway in the lung system. The tube flow sensor was produced by assembling the sensor film containing two heaters onto the tube surface, and the basket forceps was installed into the inside space of the tube sensor. The assembled tube flow sensor with the basket forceps was inserted into the tube and was fixed at the center of the tube by expanding the basket. The flow detection characteristics of the tube flow sensor were experimentally evaluated. A calibration equation based on King’s law was derived from the sensor output vs. flow velocity curve, and a sufficiently short response time of 60 ms was obtained for the breathing measurements in a rabbit and a person. Finally, the tube flow sensor with the basket forceps and the optical fiberscope was systemized into a single tube with the diameter of 5.0 mm for in-situ measurements in the airway. The developed system successfully detected both a breathing airflow waveform and an optical image inside the airway in the rabbit.
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发表时间：
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期刊：
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