Fitbit: Patent for a smart ring that tracks blood oxygen levels and blood pressure using clinical-grade sensors. The Data is then transferred via Bluetooth or NFC to compatible devices
Wearable Technologies
Sky Labs: Patent for Cart-I, a smart ring that monitors heart rate, oxygen levels, and detects atrial fibrillation, as part of a health monitoring platform
Healthcare in Europe
Happy Health: FDA-approved patent for the Happy Ring, a medical-grade wearable device that tracks heart rate, oxygen levels, and sleep. It integrates with a digital health monitoring platform with accessible information
Medical Device Network
Apple: Multiple patents for wearable devices with sensors for heart rate and blood pressure
Wearable Technologies
Masimo Corp: Patent for a device obtaining physiological information of a medical patient and wirelessly transmitting the obtained physiological information to a wireless receiver