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Portable Anesthesia Ventilator MSLGA14
———Ambient temperature: 10 ～ 40 ℃ ;
———Relative humidity: no higher than 80 %;
——–Atmospheric pressure: 860 hPa ～ 1060 hPa.
——–Power requirement: ～220－240V, 50/60Hz, 40VA, to be well grounded.
——–Air source requirement: medical oxygen and laughing gas with a rated pressure ranging from 0.3 to 0.5MPa.
Attention: the AC power supply used for the anesthesia machine must be well grounded.
Attention: the anesthesia machine used must be equipped with a carbon dioxide monitor complying with ISO 9918：1993,
an oxygen monitor complying with ISO 7767：1997 and an expiratory gas volume monitor complying with 188.8.131.52 of
Medical Electrical Equipment Part II: Special Requirements for Safety and Basic Performance of Anesthesia System.
1 Operating mode: circulatory closed, semi-closed and semi-open.
2 Gas requirement: medical oxygen and laughing gas with a pressure ranging from 0.3MPa to 0.5 MPa.
3 The maximum error of the pressure testing device should not exceed ± (4% of the full scale reading + 8% of the
4 For oxygen and laughing gas, a special pressure regulator with a safety valve will be provided. The exhaust pressure
of the safety valve should not be higher than 6 kPa.
5 Indication range of the oxygen and laughing gas flow meter: 0.1 L／min ～ 10 L／min.
When the flow rate ranges from 10% of the full scale value to 100%, the scale accuracy should be within ±10％ of the
6. The flow meter is equipped with an oxygen-laughing gas proportional control device.
When the oxygen concentration in the mixed gas N2O/O2 conveyed by the anesthesia
machine is no lower than 20% (V/V) or the FiO2 is lower than 20%, the machine will emit an
7. When the oxygen pressure of the anesthesia machine is 0.20MPa±0.05MPa, the machine raises a low gas source
pressure alarm which is a high priority alarm, and shuts off the laughing gas conveyed to the common gas outlet.
8. Oxygen Flush:25~75 L/Min;
9. Anesthetic gas concentration adjustment range of vaporizer: ０～5％, relative error ±20 %.
10. The exhaust pressure of the safety valve of the respiratory circuit is no higher than 6 kPa.
11. Anesthesia ventilator
11.1 Respiration Mode:IPPV,SIPPV,Manu
11.2 Respiration Frequency:4~40bpm
11.3 I/E Ratio:1:1.5~1:4
11.4 Tidal Volume:50~1500mL
11.6 Controlled ventilation and assisted ventilation switching time: 6s
11.7 Maximum safety pressure: ≤ 12.5 kPa.
11.8 Pressure limit range: 1～6 kPa
11.9 Airway pressure alarm: adjustment range of upper alarm limit: 0.3kPa ～ 6 kPa, permissible error ±0.2 kPa, or ±15%
(whichever is greater), the machine should immediately raise a high level alarm when the airway pressure rises to the alarm
value; the lower alarm limit ranges from 0.2 to 5 kPa and the permissible error is ±0.2 kPa or ±15% (whichever is greater).
The machine should immediately raise a medium level alarm when the airway pressure drops to the alarm value and such
condition lasts 4 to 15s.