Dräger Perseus A500, Руководство пользователя

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1 Initial situation and consequences
Initial situation according to the customer letter “COVID-19: Usage of Dräger anesthesia devices for long-
term ventilation”. That means:

high fresh gas flow 1.5xMV

no volatile anesthetic agent

soda lime at the device

active AGS

manual breathing bag connected

mechanical filters with HME connected
Potential impact:

High gas supply consumption according to the set fresh gas flow (150% of the minute volume)

Compressed air consumption due to the active AGS additional to the fresh gas flow

IV medication needed for sedation

Low soda lime consumption

Drying out of the soda lime, but no patient harm (e.g. compound formation), as no volatile
anesthetic agent must be used

No room air contamination

Reduced humidity in the circle system
2 Shortage in IV medication for sedation

Use alternative IV drugs for sedation

Avoid usage of volatile anesthetic agents
3 Central gas supply shortage

Reduce the fresh gas flow, see chapter 12

If possible, connect gas cylinders to the device

If one gas (O
2
or AIR) fails, fresh gas supply can continue with the remaining gas. However, it
is not possiblbe to adjust the fresh gas O
2
concentration any longer.