Non-invasive approaches to human data collection have become relevant in athlete performance monitoring and the clinical setting. Historically, these metrics rely on measurements such as blood or tissue oxygen saturation, yet saturation lacks a degree of specificity clinicians and professional trainers desire. To overcome this, we developed a wearable, non-invasive, optical transcutaneous tissue oxygenation sensor that overcomes inefficiencies in specific measurements and the devices that collect those measurements. We report on innovations to the prototype device, including the implementation of more sophisticated quantification methods directly on the device as well as the addition of new sensors to measure other clinical parameters.
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