NKV-550 Series Recruitment Maneuver Tip Sheet Rev B.pdf
Starting a Recruitment Maneuver (RM)
Click the RM app icon and set the Control settings
for the RM (see table).
Δ PC: 15 cmH2O
10 to 20 cmH2O
The graph will show the preview of the procedure
based on the Control settings.
I:E ratio: 1:1
4:1 to 1:299
RR: 20 bpm
10 - 25 bpm
Press the “Start” button. During the procedure, the FiO2: 21 to 100%
ventilator will ventilate the patient using the identified
Max. pressure allowed: 30 cmH2O
Control settings (in table), temporarily overriding the
PEEP increment each PEEP step: 5 cmH2O
currently set ventilation settings.
- If patient effort is detected, a “Patient Effort
Detected” alarm message will be displayed.
21 to 100%
30 - 55 cmH2O
2 - 5 cmH2O
Duration for each PEEP step: 20 sec
20 to 180 sec
PEEP after end of procedure: 25 cmH2O
0 - 30 cmH2O
- A “Hold Step” button allows the clinician to extend
the time for the current PEEP Step.
Pressing “Resume Step” will continue the procedure.
- If the procedure needs to be stopped prior to being completed, press the “End” button.
- Follow the warnings and precautions in the device operator manual to ensure the safety
of the procedure operation.
Conclusion of Recruitment Maneuver
When completed, the ventilator will continue to use the
RM Control settings to ventilate the patient, except for the
PEEP setting set at the start of the procedure.
- The PEEP setting will remain at the level where the
In order not to revert to the original ventilation settings,
within 5 minutes, the clinician must either:
Press the “End” button to cancel this PEEP and
resume normal ventilation.
Press the “Go to PEEP titration” button to perform
The clinician can study the relationship between PEEP and
various other parameters (e.g., compliance, SpO2, EtCO2.)
Do not perform a Recruitment Maneuver if:
- Patient is alert and not sedated
- Patient is not on invasive ventilation
- Patient’s hemodynamic or respiratory
conditions are unstable or become unstable
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