DRUG DELIVERY APPARATUSES Russian patent published in 2022 - IPC A61M5/00 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely, to a kit of drug delivery apparatuses. The kit comprises two drug delivery apparatuses. Each apparatus comprises a casing with a proximal end and a distal end; a cartridge unit connected with the casing, and a dose-setting drive mechanism. The cartridge unit therein comprises a liquid-accommodating cartridge consisting of a distally mobile plug and a cartridge body. The drive mechanism is therein located in the casing and comprises elements movable relative to the casing and each other during the dose setting and/or delivery operation. The liquids in the first and second apparatuses are therein different. Each of the elements of the first and second mechanisms therein comprises at least one interchangeable element of the mechanism, usable for assembling both the first dose-setting drive mechanism and the second dose-setting drive mechanism, and each of the elements of the first mechanism and the elements of the second mechanism comprises at least one non-interchangeable element of the mechanism. The first dose-setting drive mechanism and the second dose-setting drive mechanism therein consist of elements of the first mechanism and elements of the second mechanism of mutually corresponding types.

EFFECT: ensured drug delivery by means of the created kit.

13 cl, 50 dwg