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3. OVERVIEW
3.1 Product Description
The eAdvantage® is an electronically controlled (mains supply or battery),
gas pressure operated, self-administered mixing system for the delivery
of a variable concentration of a gaseous mixture of nitrous oxide and
oxygen (N
O/O
), on demand fl ow to spontaneously breathing, conscious
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2
patients via a unique patient circuit with monitoring line.
Note:
This device shall be used by the patient under the guidance of
qualifi ed personnel trained in its use.
Intended Patient Population:
Conscious, spontaneously breathing patients who are able to
comprehend the activity, understand verbal commands and self-
administer the set analgesic gas mixture.
3.2 Principles of Operation
The eAdvantage® System utilizes variable fl ow control and measurement
to deliver accurate concentrations of N
O/O
from pressurized and
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2
regulated gas supplies (either cylinder or pipeline) at fl ow rates
equivalent to that demanded by the patient. Two input connectors are
provided on the device for the connection of pressure regulated gas
sources of nitrous oxide and oxygen. The device has only one control
for turning ON or OFF as well as adjusting the setting selections. When
it is turned ON, and the device auto-calibration is completed, the
display changes to the operation screen with Demand Flow mode set
at 50%-50% mixture as the default setting. The gas mixture output can
be selected on the screen from a range of percentages from 0%/100%
(N
O/O
) to 70%/30% (N
O/O
) in 5% increments.
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2
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2
The gas specifi c built-in alarm systems will generate both visual and
audible alarms should either the nitrous oxide or oxygen input pressure
fall below 45 PSI, and the device will be automatically shut OFF should
the oxygen input pressure fall below 21 PSI.
An oxygen fl ush function allows the healthcare professional to provide
a constant fl ow of 100% oxygen to the patient.
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eAdvantage User Manual (15PL1033 Rev. 7, July 2022)
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