Demand Valve; 100% Oxygen Enrichment Supply; Low Input Pressure Alarms - O-Two Equinox Advantage User Manual

3.4. Demand Valve

The device is equipped with a Demand System enabling
spontaneously breathing patients to demand preselected mixture
percentage of nitrous oxide and oxygen.
An inspiratory e ort by the patient will open the demand valve
and preselected percentage mixture of nitrous oxide and oxygen
will fl ow to the patient at a rate in line with their inspiratory e ort.

3.5. 100% Oxygen Enrichment Supply

If at any time 100% Oxygen Enrichment is desired, press the
Oxygen Enrichment button to activate "100% Oxygen" supply.
The Oxygen Enrichment function is designed to provide 30 L/min
of 100% oxygen in order to fl ush any residual gas from the patient
circuit following the completion of the patient treatment.
When the device ON/OFF switch is set to the "OFF" position
or the device not connected to an oxygen supply, the Oxygen
Enrichment function is disabled.
WARNING
The Oxygen Enrichment function should never be used to provide
positive pressure ventilation to non-breathing patients.

3.6. Low Input Pressure Alarms

Gas Supply Status Indicators
Located on the front panel, the O visual indicator shows green when
2
oxygen is supplied to the unit and N O visual indicator shows green
2
when nitrous oxide is supplied to the unit. Used in conjunction with
the Low Input Pressure alarms, these indicators provide additional
reference for the operator as to the gas supply status.
Low Input Pressure Alarms
The alarm system will generate a 45 to 75 BPM visual (fl ashing
Green/Black) and an audible alarm should nitrous oxide input drop
to 40 PSI. Should the oxygen input pressure drop to 40 PSI, a 90
to 150 BPM visual (fl ashing Green/Black) and audible alarm will be
generated.
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Equinox® Advantage - User manual