Monitoring Carbon Dioxide
Efficia CM Series Rack and Modules Instructions for Use 4-5
Carbon Dioxide Safety Information
CO
2
Configuration
For information about changing the CO
2
settings or configuring the CO
2
waveform, see
the Efficia CM Series Instructions for Use.
Carbon Dioxide Safety Information
The Carbon Dioxide module is suitable in the presence of electro-surgery.
Warnings Risk of performance degradation:
• The monitor and its accessories must be tested by qualified service personnel at
regular intervals to ensure that performance has not been degraded by aging or
environmental conditions. Periodic performance verification tests can be performed,
as described in the Efficia CM Service Guide.
• To ensure CO
2
measurement accuracy, ask your system administrator to calibrate the
CO
2
module as soon as the CO
2
Calibration Needed technical alarm appears. Also
check the patient’s vital signs by alternate means and make sure the monitor is
functioning correctly.
• If calibration does not take place as instructed in the Service documentation, provided
to your system administration, the monitor may be out of calibration. A monitor that is
out of calibration may provide inaccurate results. Contact your system administrator/
biomedical engineer.
• Do not cut or remove any part of the sampling line. Cutting the sampling line could
lead to inaccurate readings.
Risk of injury or health hazard:
• Explosion Hazard. Equipment not suitable for use in the presence of a flammable
anaesthetic mixture with air or oxygen or nitrous oxide. Oxygen concentrations must
be <25% and partial pressure <27.5 kPa when no other oxidants are present.
• To prevent or minimize burns caused by a defective neutral electrode connection, use
caution when handling electrodes, transducers, and cables in the presence of high-
frequency surgical equipment. Verify that the equipment is working correctly before
each use.
• To avoid injury, place the medical device on a secure and level platform. Do not place
the rack module, cables, hoses and/or sample line on the ground. Do not place
anything on top of the medical device.
• Carefully route the sampling line to reduce the possibility of patient entanglement or
strangulation.
• When using a sampling line for intubated patients with a closed suction system, do
not place the airway adapter between the suction catheter and endotracheal tube.
This is to ensure that the airway adapter does not interfere with the functioning of the
suction catheter.
• Loose or damaged connections may compromise ventilation or cause an inaccurate
measurement of respiratory gases. Securely connect all components and check
connections for leaks according to standard clinical procedures.
• To minimize the risk of injury or contamination due to the reuse of a single-use device,
all accessories are for single patient use.
• Check CO
2
and O
2
tubing regularly during use to ensure that no kinks are present.
Kinked tubing may cause inaccurate CO
2
sampling or affect O
2
delivery to the patient.
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