GE Aespire 7100 Technical Reference Manual page 45

Mechanlcallnsplratlon
(EZchange and
ωndenser
O
FF)
(
I
f
⑨
AP
D
FG
P
Ai
rway Pr essure
Drive gas
Fresh Gas
Pilot pressure
2 Th eory of Operation
Th e Bag
,lV ent switch closes the manual path
(V).
Pilot pressure (P) closes the
exhalation valve.
Drive gas
(0)
pushes down on the bellows. Gas flows from the b创 lows (1) , through 由e
EZchange module bypassing the abso巾er (2) , and through a unidirectional valve
(inspiratory check valve) to the patient (3).
During inspiration , fresh gas flows into the inspiratory limb , upstream ofthe inspiratory
check valve.
s
a
理
v
'
Ba
gIV
ent switch to Vent
F1
0w to absorber
2
Bypass flow
3 In
spiratory ftow
Rgure
2-11 •
Mechanical inspiration with EZchange
Ca
nister and Condenser OFF
M1110140
08/07
2-19