Activity monitoring device with assessment of exercise intensity

This is a portable device that measures oxygen levels in a user's muscle tissue using a sensor placed on the skin. It processes this data to estimate how much longer the user can continue exercising by tracking changes and rates of change in their tissue oxygenation. While the abstract suggests broader applications, the claims specifically detail this method using only oxygenation data to predict time to exhaustion.

Why it matters: Filed before recent advancements in wearable muscle oxygen sensor miniaturization. This makes the portable device more practical.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSpecialized oxygenation sensor, software logic

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