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22 February 2018 Development of a wearable for oximetry and patient physical activity correlation
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In this work we show preliminary advance in the development of a low-cost wrist wearable that measures levels of oxygen saturation levels in blood (SpO2) and physical activity simultaneously. For the monitoring of SpO2, we use pulse oximetry (a non invasive technique) by backscattering detection at the wrist. The device consists in an optoelectronics layer based on two light-emitting diodes (650nm and 960 nm) and a photodiode, a 3-axis gyroscope, a 3-axis accelerometer and a microcontroller capable of data processing and data transmission via bluetooth. In addition to, our sensor allows to save data for later analysis.
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Daniela Margarito, Erika González, Ivette Buendía, Moisés Selman, and Mathieu Hautefeuille "Development of a wearable for oximetry and patient physical activity correlation", Proc. SPIE 10536, Smart Photonic and Optoelectronic Integrated Circuits XX, 1053622 (22 February 2018);

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