GE Aespire 7100 Technical Reference Manual page 71

2.8.8 Free
Breathlng Valve
Figure 2-35 • Free breathing valve
Ml110140
08107
2
Th
eory of Operation
Th e free breathing valve (15) helps assure the patient can spontaneously breathe. Th e
ventilator is programmed to supply a specified number of breaths per minute to the
patient If
,
in between one ofthese programmed cycles，由e patient needs a breath
(spontaneous) , the free breathing valve permits the patient to inhale. Th e free
breathing valve is closed on mechanical inspiration.
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