OPERATION
Oxygen Supply
49
[7] Oxygen Supply
The risk of fire hazards increases while oxygen is being supplied. Do not use body warmers or
other devices that may produce sparks around the unit.
It has been reported that when setting the concentration of oxygen in the incubator to a high
level, it is extremely important and essential to repeatedly measure the oxygen concentrations
inside the incubator and analyze arterial blood gas in order to correctly maintain oxygen con-
centrations. Follow the doctor’s instructions for measuring the oxygen concentration because
ignoring essential requirements may increase the risk of retinopathy of prematurity and other
adverse effects.
Incorrect use of supplementary oxygen may cause serious side effects including loss of sight,
damage to the brain, and death. The risks of side effects vary with infants. The concentration
of oxygen delivered to an incubator must be in accordance with the doctor’s instructions.
While oxygen is being supplied, continuously measure the oxygen concentrations inside the
incubator using an oxygen monitor. Pay particular attention to changes in oxygen concentra-
tion. If the oxygen concentration in the incubator deviates from a desired level, make neces-
sary adjustments by increasing or reducing the oxygen flow rate.
Be sure to use oxygen for medical use.
A spontaneous and violent ignition may occur if oil, grease, or greasy substances come in
contact with pressurized oxygen. These substances must be kept away from oxygen regula-
tors, cylinder valves, tubing and connections, and all other oxygen supply equipment.
On a high-pressure oxygen cylinder, only use tested pressure reducing or regulating valves
marked for oxygen service.
The oxygen flowmeter cannot be expected to provide an accurate indication of the oxygen
concentrations inside the incubator. Check the oxygen concentration using a calibrated oxygen
monitor by following the doctor’s instructions.
The oxygen concentration in the incubator varies with the operating conditions of the incubator,
the accuracy of the oxygen flowmeter, etc. To accurately maintain the oxygen concentration in-
side the incubator at a desired level, measure it repeatedly using an accurate oxygen monitor.
If performing the cleaning and maintenance procedures in an oxygen-enriched environment,
there is a risk that a fire or explosion may occur. Turn off the oxygen supply and disconnect the
oxygen supply hose from the incubator before cleaning the incubator. When the incubator is
not in use, turn off the oxygen supply and remove the oxygen supply hose from the incubator.
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