DEVICE OF NEEDLE PROTECTION FOR PRE-FILLED SYRINGE WITH INSERTED NEEDLE AND SYRINGE CONTAINING SUCH A DEVICE Russian patent published in 2021 - IPC A61M5/32 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely to devices of needle protection (2) for a pre-filled syringe with an inserted needle. The proposed device includes locking mechanism (10) containing a means for attaching to a syringe case, needle cap (20), to which the needle enters, and protection device (30, 40) to provide the safety after usage, containing casing (40) defining the central axis, along which it is made with the possibility of movement, and means (30) for creating elastic load to the casing in a forward direction, in which it is made with the possibility of closing the needle. The casing contains an external pipe and a coaxial internal pipe made as a single part by means of injection molding, wherein external pipe (42) is made with the possibility of interaction with locking mechanism (10), and internal pipe (44) is made with the possibility of separation from the external pipe and is connected in progressive movement in the axial direction to needle cap (20).

EFFECT: obtaining a device of needle protection.

10 cl, 8 dwg