LOCKING MECHANISM OF DRUG INJECTION DEVICE Russian patent published in 2018 - IPC A61M5/20 

FIELD: medicine.

SUBSTANCE: device includes a main body having a lid, a base and an injection needle let-in/let-out opening; a drug syringe mounting component provided inside the main body, and allowing a drug syringe to be mounted therein, wherein the drug syringe mounting component is movable forward and backward between a position in which the drug syringe injection needle is inside the main body, and a position in which the injection needle passes through the injection needle let-in/let-out opening; a drive mechanism for driving the drug syringe mounting component backward and forward; a piston which is movable with respect to the drug syringe mounting component; a controller electrically connected to the drive mechanism; and means for locking the lid when the lid is closed, by moving the drug syringe mounting component from a position where the drug syringe injection needle is inside the main body, to a position where the injection needle passes through the injection needle let-in/let-out opening.

EFFECT: invention relates to medical equipment, specifically to drug injection devices.

18 cl, 3 dwg