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Several medical gas systems used in hospitals

2022-09-01

Hospital medical gas system is a set of system devices that provide medical gas or exhaust gas and waste liquid to patients and medical equipment.

The commonly used medical gas supply systems include central oxygen supply system, compressed air system, laughing gas system, carbon dioxide system, argon system, helium system, nitrogen system and so on.

Medical gas

The commonly used exhaust system includes the central negative pressure suction system and the anesthetic exhaust gas discharge system. The system depends more or less on the needs of the hospital. But oxygen system, compressed air system and negative pressure suction system are necessary.

Each gas supply system is generally composed of gas station, gas pipeline, monitoring and alarm device and gas equipment.

Take the oxygen system as an example: the oxygen station can be composed of oxygen generator, oxygen storage tank, first stage decompressor, etc. Pipeline routing gas transmission line, secondary pressure stabilization box, meter valve box, floor main, branch pipe, inspection valve, branch pipe, flow control valve, oxygen terminal, etc. The monitoring and alarm device is composed of electric contact pressure gauge, alarm device, information surface plate, etc. The end gas equipment is humidification bottle or ventilator.

The negative pressure suction system in hospital center is composed of four parts: suction station, transmission pipe, monitoring and alarm device and suction device. The suction station is composed of vacuum pump, vacuum tank, bacteria filter, dirt receiver, control cabinet, etc. The transmission pipe is composed of attracting trunk line, meter valve box, floor main, branch pipe, inspection valve, branch pipe, flow regulating valve, attracting terminal, etc. Suction device for negative pressure suction bottle; The monitoring and alarm device is composed of electric contact vacuum meter, alarm device and information surface plate.

There are two ways to discharge anesthetic exhaust gas: vacuum pump exhaust and injection exhaust. The ejection and extraction system consists of exhaust gas discharge terminal, exhaust gas discharge branch pipe, branch pipe and exhaust gas discharge main pipe.
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