2-10
The converged gas goes from float flowmeter 28 to the anesthetic gas delivery device
(vaporizer), forming fresh gas after mixed with anesthetic agent. The fresh gas then goes
from check valve 30 through the ACGO assembly to the breathing system. The flushing O2
also enters the breathing system through the ACGO assembly.
When ACGO is turned on, the anesthesia machine stops mechanical ventilation. The fresh
gas is directly outputted through the inspiration connector on the breathing circuit.
Mechanical pressure relief valve 55 on the ACGO prevents gas pressure at the ACGO port
from exceeding 12.5 kPa when ACGO is turned on.
Gas tube from float flowmeter to
anesthetic gas delivery device
Inlet of anesthetic
gas delivery device
Outlet of anesthetic
as deliver
device
From anesthetic gas delivery
device to ACGO
From O2 flush to
ACGO
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