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Operation
WARNINGS:
• The purge procedure must be followed to help ensure NO
manual resuscitator bag is connected to the patient.
• The manual bag should be squeezed repeatedly during use to avoid NO
bag.
• If the bag is not squeezed repeatedly while delivering INOMAX, the bag should be removed from
the patient and the bag purge procedure performed before continuing.
• The INOblender should be upright when setting the oxygen flowrate for accurate setting.
• Do not use pneumatically powered nebulizers with the INOblender. This will result in significant
over delivery of INOMAX (nitric oxide) for inhalation in excess of 80 ppm (40 ppm with a 400 ppm
cylinder).
- The INOblender outlet pressure has been validated for use up to 400 millibar (5.8 psig)
pressure. The amount of back-pressure generated by pneumatic nebulizers is significantly
greater [1.4 - 2.0 bar (20-30 psig)] and will result in over delivery of INOMAX in excess of
80 ppm with an 800 ppm cylinder (40 ppm with a 400 ppm cylinder). The user adjusted dose
setting on the INOblender will not correlate with, or have an effect on, the actual delivered
dose.
- In addition, the INOblender flowmeter is not back-pressure compensated and will display a
lower than actual flow rate when pressure is applied to the outlet.
Cautions
:
• When not in use, the oxygen flowmeter and the INOMAX cylinder valve should be turned off.
• When the INOblender is used with an oxygen/air blender:
- The specification for INOMAX delivery when using the INOblender with 100% oxygen is +/- 20% of
setting or 2 ppm (whichever is greater). The use of 100% oxygen at 3.4 bar (50 psig) is the labeled
specification for the INOblender.
- A user may determine that some clinical conditions may necessitate the use of an oxygen/air
blender with the INOblender to achieve FiO
- Using oxygen/air mixtures (21% to 95% v/v) will reduce the delivered NO concentration by up to
10% of setting or 1 ppm (whichever is greater) compared to using 100% oxygen alone, resulting in
a cumulative error up to +/- 30% of setting or 3 ppm (which ever is greater).
• Refer to the manufacturer's procedures when using the manual resuscitator bag.
• When finished, turn the NO cylinder valve OFF and allow the oxygen to flow until the NO pressure gauge
reads zero, then turn the oxygen flow OFF.
Part No. 20732 Rev-02
2014-02
is purged from the system before the
2
levels less than 100%.
2
12
from building up in the
2
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