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Measurement site and photodetector size considerations in optimizing power consumption of a wearable reflectance pulse oximeter
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DOI：10.1109/IEMBS.2003.1280775.png)
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Abstract
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Site selection and power consumption play a crucial role in optimizing the design of a wearable pulse oximeter for long-term telemedicine application. In this study we investigated the potential power saving in the design of a reflectance pulse oximeter taking into consideration measurement site and sensor configuration. In-vivo experiments suggest that battery longevity could be extended considerably by employing a wide annularly shaped photodetector ring configuration and performing SpO(2) measurements from the forehead region.
Keywords:
pulse oximeter
wearable sensors
telemedicine
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