DOSING DEVICE FOR CREATION OF GAS FLOW WITH ACTIVE SUBSTANCE FINELY DISPERSED IN IT Russian patent published in 2014 - IPC A61M15/00 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment. Dosing device includes mouth piece, first flow gas channel, dosing chamber, which has possibility to be from time to time located in the area of first flow gas channel, and device for unlocking dosing chamber, containing separating element made with possibility of travel between closed state and open state and guiding element of sliding, on which separating element travels between closed position and open position and is brought into motion due to rarefaction applied to mouth piece. When separating element is in closed position, first flow gas channel is blocked, and when it is in open position, first flow gas channel is open. Separating element and/or guiding element of sliding in the area of sliding contact is provided with producing impact on friction properties sliding element, which ensures triggering separating element and opening of dosing chamber.

EFFECT: provision of reliable mechanism of dosing chamber unlocking at proper moment during creation of aspirated air flow.

17 cl, 16 dwg, 1 tbl