Root® with O3® Regional Oximetry

Available for Adult and Pediatric Applications

  • May help clinicians monitor cerebral oxygenation in situations in which peripheral pulse oximetry alone may not be fully indicative of the oxygen in the brain
  • Seamlessly integrates with the Root platform alongside SedLine® Brain Function Monitoring for a more complete brain monitoring solution

O3 Display

Masimo - O3 Display Cerebral Oximetry

O3 Monitoring


Root patient monitoring and connectivity hub offers plug and play monitoring with Masimo Open Connect™ (MOC-9™) modules.1


Apply the appropriate O3 sensors to the forehead:

  • Adult Adhesive Sensor (≥40 kg)
  • Pediatric Adhesive Sensor (≥5 kg and <40 kg)
Masimo - Connect the O3 Sensors

Connect the O3 sensors to an O3 MOC-9 module (up to two sensors per module)

Masimo - masimo_plm-10127c_connect_MOC9 Sensors

Connect the O3 MOC-9 module to one of three MOC-9 ports on Root


  1. 1.

    In countries with regulatory approval and Root devices with the correct software version.



Follow the link for available O3 studies.

Product Information, Root with O3 Regional Oximetry

Product Information

Masimo - Brochure Perioperative Care Solutions
Masimo - Case Study, Unilateral Cerebral Oxygenation Desaturation

Case Study

Caution: Federal (USA) law restricts this device to sale by or on the order of a physician. See instructions for use for full prescribing information, including indications, contraindications, warnings, and precautions. The O3 System with pediatric sensor is not licensed for sale in Canada.