Gas Measurement Safety Information
Monitoring Anesthetic and Respiratory Gases
6-18 Efficia CM Series Rack and Modules Instructions for Use
• Operation of this device may affect or be affected by other equipment in the vicinity
due to electromagnetic interference (EMI). If this occurs:
• Increase separation between devices
• Re-orient device cabling
• Plug devices into separate outlet circuit branches
• WARNING: MR-unsafe!
• Do not expose the device to a magnetic resonance (MR) environment.
• The device may present a risk of projectile injury due to the presence of
ferromagnetic materials which can be attracted by the MR magnet core.
• Thermal injury and burns may occur due to the metal components of the device
which can heat during MR scanning.
• The device may generate artifacts in the MR image.
• The device may not function properly due to the strong magnetic and radio
frequency fields generated by the MR scanner.
• Refer to Chapter , “Electromagnetic Compatibility” for specifications.
Risk of inaccurate Gas measurement:
• To prevent the risk of inaccurate gas measurement values or exposing bystanders to
anesthetic gases, always connect the gas exhaust of the monitor and measurement
module and the anesthesia machine to the scavenging system. Do not return the
gases to the breathing system.
• Using the Gas module in environments that do not meet recommended temperature,
humidity and altitude environments can cause condensation inside the device.
• To avoid temporary influence on the gas measurement and prevent damage to the
water trap and measuring system, do not use nebulizers/aerosols in the breathing
system, when the medical device is connected. Disconnect the sample line
temporarily when using nebulizers in the breathing system.
• When selecting the anesthetic agent manually, be sure to select the correct label for
the agent that you will be using in the operating room. Selecting the wrong agent will
cause erroneous readings.
• In addition to the warnings mentioned above, the following conditions may also cause
inaccurate or no measurement data:
• Exposing the device to excessive heat or direct sunlight.
• Operating the device without a water trap
• During a system restart no measurement data will be collected.
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