Bedfont NoxBox - Connecting to Patient Ventilator

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6.5 Connecting to Patient Ventilator
The sample point adaptor should be connected immediately behind the patient Y-piece
ontheinspiratorylimb.Toachieveconsistentresults,placeaone-wayuttervalve
betweenthesampleconnectorandtheY-piecetopreventcontaminationofthe
sample from exhaled breath.
Connect the upstream end of the NOxFlow sensor to the upstream inspiratory limb
tubing.TheNOxFlowshouldbesituatedupstreamofthehumidier.
Maintaintheoptimum1mdistanceofventilatortubebetweenthesamplepointandthe
doseintroductionpointontheNOxFlowforbestperformance(between0.7and1.3m
isideal).
The system is now ready for dose entry and alarm setting procedures.
See Section 5 Patient Circuit Setup for detailed guidance.
6.6 Dose Entry and Alarm Setting
The NOxBOX
i
systemprovidesadirect-inputdosecontrolwitharesolutionof0.1ppmacrossthe
doserangefrom0.6–80.0ppm.Thealarmsettingforthemonitoredgaseshavesuggested
defaultvaluesthatcanbefullyeditedfortheindividualcase.
Dose and alarm entry screens have limits on the values that can be
set. These are displayed on each screen; the system will not allow
the user to enter values outside these limits.
1.  Enteradosevalue
between zero and 80
ppm using the
keypad.
2. Press the delete key
to correct entry
errors.