Datascope - Mindray
Datascope - Mindray
Datascope - Mindray
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Theory of Operation The Breathing System<br />
1.9 The Breathing System<br />
1.9.1 CMV mode, inspiration<br />
Tidal volume (T Vol.) compensates for variations in gas flow. This is to ensure that the set tidal<br />
volume is delivered to the patient.<br />
Patient<br />
FIGURE 1-28 Breathing System Pneumatics, CMV Mode, Inspiration<br />
1.9.2 CMV mode, expiration<br />
As the patient exhales tidal volume into the expiratory limb, fresh gas enters the bellows.<br />
Fresh gas mixes with exhaled gas after the Absorber removes CO 2 . Excess fresh gas passes<br />
through the exhaust valve to the AGSS<br />
Patient<br />
Electronic<br />
Control<br />
Electronic<br />
Control<br />
Exp. Flow<br />
Sensor<br />
Insp. Flow<br />
Sensor<br />
Exp. Flow<br />
Sensor<br />
Insp. Flow<br />
Sensor<br />
P<br />
O2 Sensor<br />
Insp. Valve<br />
P<br />
Exp. Valve<br />
Exp. Valve<br />
O2 Sensor<br />
Insp. Valve<br />
Absorber<br />
Canister<br />
Absorber<br />
Canister<br />
Fresh Gas<br />
Fresh Gas<br />
Solenoid<br />
Valve<br />
Solenoid<br />
Valve<br />
Reversing<br />
Valve<br />
FIGURE 1-29 Breathing System Pneumatics, CMV Mode, Expiration<br />
Breathing Bag<br />
Breathing Bag<br />
Reversing<br />
Valve<br />
Breathing<br />
System<br />
Ventilator<br />
AS3000 Service Manual 0070-10-0683 1 - 37<br />
Proportional<br />
Valve<br />
Pressure<br />
Regulator<br />
Proportional<br />
Valve<br />
Pressure<br />
Regulator<br />
APL Valve<br />
Bellows<br />
APL Valve<br />
Bellows<br />
Exhaust<br />
Valve<br />
PEEP<br />
Valve<br />
Exhaust<br />
Valve<br />
PEEP<br />
Valve<br />
AGSS<br />
AGSS<br />
Breathing<br />
System<br />
Ventilator
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