PC 1771 Control
PC 1772 Monitoring
PC 1775 Plug’n’Play
AC/DC Converter
© MAQUET
09-03-25
Patient unit flexibility
Expiratory Valve Coil PC 1781 Exp. pressure transducer PC 1778 DC/DC & Standard connectors
5. Nozzle unit with valve diaphragm 6. Inspiratory solenoid
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呼吸机工作原理及硬件构成
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呼吸机工作原理及硬件构成 BASIC PRINCIPLES – Safety valve
Opening conditions: • Servo-i switched Off or in Standby • 117 ± 7 cmH20 • 5 cmH20 above Upper Pressure Limit
PATIENT UNIT - disassembly
Inspiratory pressure transducer tube Inspiratory pipe
Air and O2 gas modules
Temperature sensor
© MAQUET
09-03-25
Safety valve
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呼吸机工作原理及硬件构成
呼吸机基本机构介绍
CONTENT LIST
Overview of content: 呼吸机工作原理及硬件构成 常见附件介绍 关于各类流量传感器的简要介绍 SERVO呼吸机的基础使用介绍 SERVO呼吸机的日常维护与保养 实际操作与问题讨论
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呼吸机工作原理及硬件构成
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呼吸机工作原理及硬件构成 Gas flow through the Patient unit – inspiratory flow
1. O2气体入口
2. 空气气体入口
3. 气体模块
4. 吸气混合部分
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5. O2 cell with bacteria filter incl. temp. sensor
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呼吸机工作原理及硬件构成 EXPIRATORY SECTION – Expiratory cassette
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8
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8. Expiratory inlet 9. Ultrasonic transducers with connection board 10. Bacteria filter for the expiratory pressure transducer 11. Expiratory valve 12. Expiratory outlet with non-return valve
33°C, 1/2 speed ; 43°C, Full speed
6. Bacteria filter for the inspiratory pressure transducer
7. Inspiratory outlet pipe incl. safety valve
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呼吸机工作原理及硬件构成
(Optional) 5. Admit patient 6. Alarm patient 7. Nebulizer On/Off
(Optional) 8. Status 9. Measured values
display box
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呼吸机工作原理及硬件构成 USER INTERFACE - Overview
Internal fan
Mains supply inlet
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呼吸机工作原理及硬件构成 USER INTERFACE
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呼吸机工作原理及硬件构成 USER INTERFACE - Overview
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09-03-25
1. Waveform area 2. Information area 3. Mode of Ventilator 4. Automode On/Off
SM 3-6
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ck diagram
SM 9-3
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电路及软件结构 PATIENT UNIT - internal layout
PC 1781 Insp. Pressure transducer
PC 1784 Exp. channel
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呼吸机工作原理及硬件构成 GAS MODULE
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09-03-25
1. Filter 2. Inspiratory valve temp sensor 3. Supply pressure transducer 4. Flow transducer
(Delta pressure transducer and net)
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10. Fixed keys 11. Main rotary dial 12. Special function keys 13. Additional measured
values 14. Direct Access knobs 15. Mains indicator 16. Start/Stop (standby) 17. Standby indicator 18. On/Off switch (on the
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呼吸机工作原理及硬件构成
EXPIRATORY flow transducer
T2 - T1 = Tdiff
Tdiff is proportional to the gas flow New measurement every 4 ms
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09-03-25
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呼吸机工作原理及硬件构成 Expiratory section – Exp. cassette