IFU for 840softwareenhancementsaddendumenglish - Covidien

Operator’s Manual Addendum
• Alarm Silence in Progress and 100% O2 /CAL in Progress indicators (when
active) and the CANCEL buttons for them are displayed on the lower GUI
screen.
• The main settings (buttons displayed at the top of the lower screen) can be set
individually or in a batch to allow quick setup.
• Drop-down menus of available selections have been added for mode,
mandatory type, spontaneous type, trigger type, apnea mandatory type, and
graphics plot setup.
• The lower screen displays monitored settings if you select or change the settings
that affect them:
� Selecting or changing the volume setting displays the current volume per
weight ratio (VT/IBW or VT SUPP/IBW).
� Selecting or changing the respiratory rate or volume setting displays the set
minute volume (VE SET).
• Expiratory sensitivity (ESENS) is now a primary setting that appears at the top of
the lower screen. ESENS can be set as high as 80% for leak management.
• The alarm setting bars on the Alarm Setup screen display the recent range of
the corresponding patient data.
• Circuit disconnect and patient data alarms no longer reset an active alarm
silence.
• Oxygen sensor calibration (100% O2 CAL) can be canceled.
• An automatic expiratory or inspiratory pause maneuver can be canceled by
touching the CANCEL button on the lower GUI display.
• If the ventilator enters idle mode or an occlusion status cycling (OSC) state
when NeoMode is active, the ventilator delivers 40% O2 if available.
• Peak Circuit Pressure (PPEAK) shows the peak inspiratory pressure, and is
updated at the end of each inspiration. Previously, this number represented the
peak pressure for the whole breath.
• Mean Circuit Pressure (PMEAN) indicates the average circuit pressure over all
breaths for the previous 1-minute interval.
• The O2 sensor alarm is no longer a DEVICE ALERT alarm.
• Various alarm parameters have been changed to reduce the occurrence of
nuisance alarms.
2 10070808 Rev. C Software Enhancements