FIELD: medical equipment.
SUBSTANCE: invention relates to non-chemical systems of pulse supply of oxygen. System of pulse supply of oxygen and method of providing user with oxygen consists in oxygen mask, connected to dosing valve. Prescribed amount of supplied oxygen is determined on basis and depending on conditions of operation in real time. Opening and closing moments of dosing valve are calculated on basis of required amount of supplied oxygen to obtain pulse supply time. Then amount of prescribed flow controlled in time and pressure of pulse supplied oxygen is supplied in oxygen mask during time of pulse supply in response to detection of breath through oxygen mask.
EFFECT: proposed solution consists in providing safety due to exclusion of chemical reagents, typical for chemical oxygen systems.
12 cl, 11 dwg
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