Special Forms Of Therapy; Using Non-Rebreathing Systems; Activating Or Deactivating The Cbm Mode - Dräger Perseus A500 Instructions For Use Manual

Special forms of therapy

Using non-rebreathing systems

Only available with the option External fresh-gas
outlet.
Prerequisite: The non-rebreathing system is
connected, see page 74.
CAUTION
Risk of gas contamination
The extracted sample gas is also returned to the
internal breathing system during operation with
an external fresh-gas outlet if the Perseus
sample gas measurement is used.
Use breathing circuit to close the breathing
system or set the APL valve to spontaneous
breathing. Flush the breathing system each time
patients or anesthetic gas are changed!
Conducting the fresh gas to the external outlet
1 Start Ext. FGO operating mode.
2 Adjust the fresh-gas delivery. Set vaporizer as
required.
Strictly observe the instructions for use of the non-
rebreathing system.
Activating or deactivating the CBM
mode
The CBM mode allows patient monitoring without
unnecessary alarms during extracorporeal
oxygenation of the patient by a heart-lung
machine.
Properties of CBM mode:
– All gas concentrations are measured
independent of the respiratory phase.
– The CO apnea and pressure apnea alarms
2
are inactive.
The CBM mode can be used in all active
ventilation modes.
Instructions for use Perseus A500 SW 2.0n
When ventilation modes are changed, the CBM
mode remains active. Changing to the Standby
mode deactivates the CBM mode.
Deactivating the CBM mode activates the apnea
alarms.
Activating
1 Open the Alarms dialog window.
2 Touch the Settings tab (A).
Alarms
A
B C
3 For Cardiac bypass mode (CBM), touch the
button On (B).
Deactivating
 For Cardiac bypass mode (CBM), touch the
button Off (C).
Or
 In the main menu bar, touch the Exit CBM
button.
Operation
93