Masimo is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, patient monitors, and connectivity solutions.

Our mission is to improve patient outcomes and reduce the cost of care. In 1995, Masimo debuted SET® Measure-through Motion and Low Perfusion™ pulse oximetry, which is estimated to be used on more than 100 million patients annually, touching 3 patients every second, and is the primary pulse oximetry at 9 of the top 10 U.S. hospitals listed in the 2018-19 U.S.

News and World Report Best Hospitals Honor Roll. In 2005, Masimo introduced rainbow® Pulse CO-Oximetry technology, allowing noninvasive and continuous monitoring of blood constituents that previously could only be measured invasively, such as total hemoglobin (SpHb®).

We continue to advance noninvasive monitoring, connectivity, and automation with innovations like the Root® patient monitoring and connectivity hub and the Patient SafetyNet™ supplemental remote monitoring solution, while expanding into additional measurement areas with SedLine® and O3® brain monitoring and NomoLine® capnography.