ATRAUMATIC SINGLE-USE INJECTION DEVICE Russian patent published in 2022 - IPC A61M5/32 

FIELD: medical technology.

SUBSTANCE: device relates to medical equipment, in particular to single-use medical instruments intended for injection of medicines. The injection device consists of a cannula, a hollow needle. At the same time, the cannula is equipped with an internal block, inside of which the fixation hooks are mounted, a non-penetrating incision is made between the cannula and the internal block. At the same time, the end of the needle opposite to the tip protrudes beyond the edge of the cannula, to which a folding self-moving frame with a safety cover is attached from the outside, the central hinges of which are interconnected by a tightening harness. Moreover, the self-moving frame is folded, the needle and the cannula are connected by a sealant.

EFFECT: application of the invention minimizes the risk of injury to the user and deactivates the operation of the syringe after a single use.

1 cl, 2 dwg