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Chapter 14: GAS Monitoring (Sidestream)
14.1 GENERAL
GAS monitoring provides a continuous waveform of airway gas concentration as a function of
time. The waveform enables physician to evaluate adequacy of gas exchange in the lungs,
integrity of the patient's airway, cardiopulmonary function and ventilator function.
Vital sign monitor uses sidestream method for gases measurement.
The ISA product family consists of three types of sidestream gas analyzers (ISA CO2, ISA AX+
and ISA OR+), intended to be connected to the monitor for monitoring of breath rate and the
following breathing gases:
ISA CO2:
CO2
ISA AX +:
CO2, N2O, Halothane (HAL), Enflurane (ENF), Isoflurane (ISO), Sevoflurane
(SEV) and Desflurane (DES)
ISA OR +:
CO2, O2, N2O, Halothane (HAL), Enflurane (ENF), Isoflurane (ISO), Sevoflurane
(SEV) and Desflurane (DES)
ISA CO2, ISA AX+ and ISA OR+ are intended to be connected to a patient breathing circuit for
monitoring of inspired/expired gases during anesthesia, recovery and respiratory care. The
intended environment is the operating suite, intensive care unit and patient room. ISA CO2 is
also intended to be used in road ambulances.
The intended patient population is adult, pediatric and infant patients.The Nomoline Product
Family is intended to be used with systems that include the Masimo ISA gas measurement
technology (ISA). The Nomoline Product Family is indicated for the measurement of respiratory
rate and respiratory and anesthetic gases in adult, pediatric and infant patients. The Nomoline
Product Family includes single use and multi-use devices for gas sampling and/or oxygen
delivery. The Nomoline Product Family is indicated for use by clinical professionals in
healthcare environments, including mobile environments.
Warning
The ISA sidestream gas analyzer is intended for use by authorized healthcare professionals
only
Warning
The ISA sidestream gas analyzer is intended only as an adjunct in patient assessment. It
must be used in conjunction with other assessments of clinical signs and symptoms.
NOTE:
An ISA sidestream gas analyzer shall only be connected to medical devices approved
by Masimo Sweden AB.
NOTE (U.S. Only):
Federal law restricts this device to sale by or on the order of a physician.
14-2
User Manual
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