INJECTION DEVICE, IN PARTICULAR A SYRINGE PEN, FOR THE SIMULTANEOUS ADMINISTRATION OF SEVERAL DRUG PREPARATIONS Russian patent published in 2022 - IPC A61M5/19 

FIELD: medical equipment.

SUBSTANCE: invention refers to injection device (1) for simultaneous introduction of several drug preparations. Injection device (1) comprises bearing body (5), activating shell (8) surrounding bearing body (5), at least two carpules (9, 11), first driving module (13) for drug administration, locking device (14), needle device (17), needle protective element (20) and second actuated drive module (21) for needle device (17). Carpules (9, 11) are located next to each other. First drive module (13) comprises drive element (22) with number of piston rods (23, 24), which coincides with number of carp (9, 11), which form composite structural unit. At least one of piston rods (23, 24) is made in the form of a hollow cylinder and is formed closed on the piston side, note here that first driving device (26) of first drive module (13) is arranged therein.

EFFECT: disclosed is an injection device, in particular a syringe pen, for simultaneous administration of several drugs.

18 cl, 8 dwg