Dräger Cato - O 2 Flush; Oxygen Ratio Control (ORC); Secretion Aspirator (Optional)

Oxygen Ratio Control (ORC)
1 Slowly close O2 delivery valve –
– check:
the N2O flow decreases to less than 0.8 L/min
proportionally with the O2 flow for ORC low-flow,
the N2O flow decreases to »O« proportionally with
the O2 flow for S-ORC.
2 Switch over to »AIR«.
N2O flow decreases to »O«.
● Close N2O and AIR delivery valve.
O2 flush
3 Press button »O2+« –
– Is there a distinctly audible flow noise?
– Does the manual ventilation bag inflate?
✔ Check and tick off!
Secretion aspirator (optional)
4 Open ejector valve –
5 Seal the aspiration holes on aspirator hose with your
finger (or fold over the hose).
Negative pressure indicated approx. – 0.8 bar?
✔ Check and tick off!
● Close ejector valve.
Secretion aspirator may only be used in
»MAN/SPONT« mode or with disconnected
Y-piece.
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Preparing for use
Checking readiness for operation with checklist
Oxygen Ratio Control (ORC)
O 2 Flush, Secretion aspirator
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