DEVICE FOR PUMPING FLUID Russian patent published in 2024 - IPC A61M5/00 A61J1/20 

FIELD: medical equipment.

SUBSTANCE: invention relates to devices for pumping fluid. The injector consists of the following: a housing having an outer wall, a plurality of pairs of slots formed in the outer wall, each of these pairs of slots being diametrically opposed to each other; a needle hub having an outer wall and an inner wall extending inwardly through the outer wall to thereby form the upper and lower compartments of the first needle extending upward from the inner wall into the upper compartment, the second needle extending downward from the inner wall into the lower compartment, in the inner the wall there is a hole to form a channel for liquid; the first cartridge having a piston and a punchable cap; the second cartridge having a piston and a punchable cap; a base element having a bottom base wall, a piston wall extending upward therefrom; and also has such an arrangement that the first cartridge is inserted into the base element in such a way that the piston is located on the piston rod, and the second cartridge is located in a housing with a punchable cap of the second cartridge, which faces the first needle.

EFFECT: obtaining a device for pumping fluid.

3 cl, 31 dwg