FIELD: medicine.
SUBSTANCE: cartridge drip dispenser for a drug preparation is provided with a cartridge and a drive element. Cartridge comprises a reservoir housing having a valve pin. Cartridge also contains a shell and a plug. Circular sealing ribs are made around the pin. From the tank housing to the area of the internal tubular valve between the shell wall and the valve pin the fluid groove protrudes, which is made with possibility of opening due to compliance of sealing rib and/or due flexibility of part of shell.
EFFECT: invention enables simple dispensing, wherein the outlet channel is automatically reclosed and the inner space of the cartridge is completely closed again.
7 cl, 14 dwg
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