Nonin Medical has launched the Onyx Vantage 9590 professional finger pulse oximeter at the European Respiratory Society 2011 Annual Conference in the Netherlands. An upgrade from the Onyx II 9550 (and ...

Finger pulse oximeters are small devices that provide a reading of oxygen levels in the blood. The device attaches to the finger and will take a reading within a few seconds. Share on Pinterest Finger ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a writer focused on parenting and health gear. She has ...