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13 March 2024 FlexNIRS: current applications and latest developments of the open-source wireless wearable oximeter for cerebral health tracking
Marco Renna, Kuan-Cheng Wu, John Sunwoo, Alyssa Martin, Zachary Starkweather, Mitchell B. Robinson, Nikola Otic, Paul Beach, Mehrdad Dadgostar, Zahra Einalou, Stefan A. Carp, David Salat, Maria Angela Franceschini
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Proceedings Volume PC12850, Optical Diagnostics and Sensing XXIV: Toward Point-of-Care Diagnostics; PC128500C (2024) https://doi.org/10.1117/12.3003292
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
Recently we developed the open-source FlexNIRS: a battery-operated, wireless, wearable oximeter whose self-calibrating geometry allows measurements of oxygen saturation in tissue. The first implementation of the device operating at 100 Hz has been validated and is enrolled in several measurement campaigns across different research laboratories. A recent firmware upgrade provides 266 Hz sampling rate, and hardware modifications provide improved form factor, wearability, and multi-modal acquisition. The new version is currently adopted in multiple clinical measurement campaigns focusing on pulsatile component analysis. We will present the instrument performance, its recent and future upgrades, and the applications where the device is currently in use.
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Marco Renna, Kuan-Cheng Wu, John Sunwoo, Alyssa Martin, Zachary Starkweather, Mitchell B. Robinson, Nikola Otic, Paul Beach, Mehrdad Dadgostar, Zahra Einalou, Stefan A. Carp, David Salat, and Maria Angela Franceschini "FlexNIRS: current applications and latest developments of the open-source wireless wearable oximeter for cerebral health tracking", Proc. SPIE PC12850, Optical Diagnostics and Sensing XXIV: Toward Point-of-Care Diagnostics, PC128500C (13 March 2024); https://doi.org/10.1117/12.3003292
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KEYWORDS
Oximeters
Near infrared spectroscopy
Oxygen
Photodiodes
Sampling rates
Signal intensity
Spectroscopes
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