Brain Monitoring Sensors

Brain Monitoring Sensors

Brain Monitoring Sensors


SedLine® Brain Function Monitoring and O3® Regional Oximetry provide a more complete picture of the brain and are available together on the Root® platform

Available Together for Simultaneous Use with the Root Platform

SedLine brain function monitoring helps clinicians monitor the state of the brain under anaesthesia with bilateral data acquisition and processing of EEG signals, which may help clinicians with anaesthetic management. O3 regional oximetry helps clinicians monitor cerebral oxygenation in situations where pulse oximetry alone may not be fully indicative of the oxygen in the brain.


RD SedLine™ EEG Sensor

  • Available for use on adult and paediatric patients (one year old and above)
  • Quick and simple application, with pre-filled gel electrodes and color-coded sensor-cable connections
  • Soft foam pads to improve patient comfort upon application
  • Allows simultaneous application of SedLine and O3 sensors

O3 Regional Oximetry Sensor

  • Available for use on adult, paediatric, infant and neonatal patients
  • Patient-conforming sensor shape facilitates proper adhesion for optimal function
  • Allows simultaneous application of SedLine and O3 sensors when monitoring adult and paediatric patients


Each O3 sensor contains a common emitter and two detectors at different distances relative to the emitter.  

Schematic of an example of a regional oximeter sensor measuring deep tissue oxygenation.

Components of the Regional Oximetry System

The detectors are often referred to as the shallow detector, which is closer to the emitter and receives the optical signal that travels through relatively superficial (shallow) tissue, and the deep detector, which is farther from the emitter and receives the optical signal that travels deeper into tissue, in addition to passing through superficial layers. Deep tissue oxygenation is calculated by subtracting the effects of shallow tissue from those of deep tissue by manipulating the signals received by the two detectors on each sensor.

Sensor and Cable Solutions


Explore Brain Monitoring Sensors and Cables



Masimo - Brochure, Next Generation SedLine


Masimo - Next Generation SedLine Paediatric Brochure


Masimo - SedLine Sedation Monitor Paediatric, Product Information

Product Information

Product Information, Root with O3 Regional Oximetry

Product Information

The SedLine System with paediatric indication is not licensed for sale in Canada.

For professional use. See instructions for use for full prescribing information, including indications, contraindications, warnings, and precautions.

PLCO-005919/PLM-11455B-0422 EN-PLM-11371B