ISATM OR+ Multigas Monitoring Supporting Anesthetic Agent and Ventilation Management


hand capnometer

The ISA OR+ sidestream multigas analyzer with the Masimo Root® patient monitoring and
connectivity platform provides the following features and benefits:

  • > During general anesthesia, the ISA OR+ monitors the inhaled and exhaled concentration of five anesthetic gas agents (Sevoflurane, Isoflurane, Halothane, Desflurane, Enflurane), carbon dioxide
    (CO2), nitrous oxide (N2O), and oxygen (O2), in addition to respiration rate (RR)
  • > Requires only 50 ml sampling flow to support monitoring of infants or adults
  • > Minimal warm-up time and readings in seconds
  • > Monitoring patients with high respiration rates, up to 150 bpm
  • > Automatic temperature and pressure compensation
  • > Low power consumption
  • > Provides minimal alveolar concentration (MAC) calculated from the measured anesthetic agents and
  • > Appropriate for monitoring of infant, pediatric, or adult patients in a range of clinical environments including the OR, ICU, Medical-Surgical units, and emergency
  • > Compatible with Masimo’s Nomoline Airway Adapter Set



When technology modules are connected with Root, additional parameters are available including Masimo SET® pulse oximetry (SpO2), noninvasive and continuous hemoglobin (SpHb®), PVi,® and SedLine® brain function monitoring.

* Altitude, patient age and other individual factors are not considered in the MAC calculation.


masimo sedline Product Information
ISA OR+ Multigas Monitoring
Product Information
Nomoline Adapter
Product Information
Nomoline Airway Adapter Set

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.

ISA AX+ and ISA OR+ are not licensed for sale in Canada.