2-14 
Part  Description 
The absorber bypass assembly is used to retain the 
pressure in the breathing circuit when you replace the 
sodalime in the CO2 absorber canister. 
The water collection cup is used to collect condensate 
from the breathing system. It must be periodically 
The CO2 absorber canister is a container for holding 
the CO2 absorbent (bulk or Pre-pak CO2 absorbent). 
The canister lock is a lever locking mechanism for 
locking (in the horizontal position)/unlocking (in the 
vertical position) the canister. 
 
2.1.2.7 Negative Pressure Suction Device 
 
Part  Description 
Overfill protection is used to prevent overfill of waste 
liquid, so as to ensure pipeline safety. 
The filter is used to filter out moisture and impurities. 
The liquid collection bottle is used to collect effusions, 
hematocele, pus, and other contaminants from the 
The gauge is used to indicate the negative pressure.