新型多探测器可穿戴无线指环式脉搏血氧仪。
Novel wearable and wireless ring-type pulse oximeter with multi-detectors.
作者信息
Huang Cheng-Yang, Chan Ming-Che, Chen Chien-Yue, Lin Bor-Shyh
机构信息
Institute of Imaging and Biomedical Photonics, National Chiao Tung University, Tainan 711, Taiwan.
Department of Electronics Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan.
出版信息
Sensors (Basel). 2014 Sep 19;14(9):17586-99. doi: 10.3390/s140917586.
The pulse oximeter is a popular instrument to monitor the arterial oxygen saturation (SPO2). Although a fingertip-type pulse oximeter is the mainstream one on the market at present, it is still inconvenient for long-term monitoring, in particular, with respect to motion. Therefore, the development of a wearable pulse oximeter, such as a finger base-type pulse oximeter, can effectively solve the above issue. However, the tissue structure of the finger base is complex, and there is lack of detailed information on the effect of the light source and detector placement on measuring SPO2. In this study, the practicability of a ring-type pulse oximeter with a multi-detector was investigated by optical human tissue simulation. The optimal design of a ring-type pulse oximeter that can provide the best efficiency of measuring SPO2 was discussed. The efficiency of ring-type pulse oximeters with a single detector and a multi-detector was also discussed. Finally, a wearable and wireless ring-type pulse oximeter was also implemented to validate the simulation results and was compared with the commercial fingertip-type pulse oximeter.
脉搏血氧仪是一种用于监测动脉血氧饱和度（SPO2）的常用仪器。尽管目前市场上主流的是指尖式脉搏血氧仪，但长期监测仍不方便，尤其是在运动方面。因此，开发一种可穿戴式脉搏血氧仪，如指基部式脉搏血氧仪，可有效解决上述问题。然而，指基部的组织结构复杂，缺乏关于光源和探测器放置对测量SPO2影响的详细信息。在本研究中，通过光学人体组织模拟研究了具有多探测器的环形脉搏血氧仪的实用性。讨论了能够提供最佳SPO2测量效率的环形脉搏血氧仪的优化设计。还讨论了单探测器和多探测器环形脉搏血氧仪的效率。最后，还实现了一种可穿戴无线环形脉搏血氧仪，以验证模拟结果，并与商用指尖式脉搏血氧仪进行比较。
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