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[Installation of intelligentized gas switching device of the medical air compressor]
1The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China.
Objective:
To add the functions of automatic selection, automatic switching to ventilator by improving medical air compressor installed in SMART ventilator.
Methods:
Installed sensors control equipment, etc., in the gas circuit of air compressor programmed with C language, controlled switching device by ventilator MCU.
Results:
When central gas supply instrument broke down and caused supply pressure decrease below the lower limit, ventilator can automatically switch to air compressor supply at the same time in alarm; when pressure of central gas supply returning to normal ventilator can intelligently switch back to central gas supply.
Conclusions:
The installation of air switching device increases the intelligence of ventilator, and avoids ventilator abnormal phenomenon caused by air factors.
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