The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According to a ...

Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...

Fitbit has dropped a patent for a medical grade smart ring, in what could be a dramatic new form factor for the Google-owned company. A filing at the US Patent and Trademark Office (spotted by ...

Survey: Pulse Oximetry Sensor Oxygen Reading Troubles Plague 53% Anesthesiologists A recent survey by the International Anesthesia Research Society found frequent problems with pulse oximetry sensors, ...

Photo: David Snow/Cult of Mac A judge in Washington, D.C., ruled Tuesday that Apple infringes on one of medical device maker Masimo’s patents for light-based pulse oximetry sensor functionality and ...