标题: 使用多光学感测器之无线戒指型脉搏血氧仪设计
Design of Wireless Ring-type Pulse Oximeter with Multi-detectors
作者: 黄正洋
Huang, Cheng-Yang
林伯昰
Lin, Bor-Shyh
影像与生医光电研究所
关键字: 脉搏血氧仪;血氧浓度;血氧饱和度;光学模拟;人体组织;近红外光谱;Pulse Oximeter;Oxygen Saturation;Hemoglobin;Optical Simulation;Human Tissue;Near-infrared Spectroscopy
公开日期: 2013
摘要: 脉搏血氧仪是一个用于量测血氧浓度的仪器。目前,指尖式脉搏血氧仪是市场上的主流类型。但是,指尖式脉搏血氧仪受限于穿戴位置而不便于长期监测,尤其是受测者在运动的情况下愈明显。因此,发展戒指型脉搏血氧仪可以有效地解决此问题。然而,在发展戒指型脉搏血氧仪的过程中,手指的复杂组织结构对于戒指型脉搏血氧仪之设计是一大问题。目前,尚未有明确的光源与检测器放置的资讯用于量测血氧浓度。因此,在本篇研究中,我们使用光学人体组织模拟来调查最佳光源以及检测器的放置位置。此外我们藉由模拟结果设计了一个无线穿戴式戒指型多感测器之脉搏血氧仪,并且与模拟结果做验证。最后,无线穿戴式戒指型多感测器之脉搏血氧仪亦与市售指尖式脉搏血氧仪做相关性比较并评估其性能。
Pulse oximeter is a popular instrument to monitor the arterial oxygen saturation (SPO2). Although fingertip-type pulse oximeter is the marketing mainstream at present, it is still inconvenient for long-term monitoring, in particular, under motion. Therefore, the development of wearable pulse oximeter, such as ring-type pulse oximeter, can effectively solve the above issue. However, the tissue structure of finger base is complex, and there is lack of detail information for the effect of the light source and detector placement on measuring SPO2. In this study, the practicability of ring-type pulse oximeter with multi-detectors was investigated by optical human tissue simulation. The optimal design of ring-type pulse oximeter, that can provide the best efficiency of measuring SPO2, was discussed. The efficiency of ring-type pulse oximeter with single detector and multi-detectors 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.
URI: http://140.113.39.130/cdrfb3/record/nctu/#GT070158228
http://hdl.handle.net/11536/75326
显示于类别:Thesis