INJECTION DEVICE Russian patent published in 2019 - IPC A61M5/20 

FIELD: medicine.

SUBSTANCE: injection device (1) comprises housing (2), longitudinal central axis (50), control element (6) and dispenser (18) made with possibility of rotation and fixed in housing (2) from movement in direction of longitudinal central axis (50). Control element (6) in first position (51) for setting the amount of the injection liquid to be squeezed is arranged to rotate relative to body (2) and is connected to dispenser (18) without rotation by means of first coupling (16). In second position (52) for extrusion of amount of injection fluid to be squeezed out, control element (6) is connected by means of second coupling (20) without possibility of rotation with housing (2) and is rotatable relative to dispenser (18). Between control element (6) and housing (2) there is a first fixing device (35) made with possibility to be actuated only in first position (51) of control element (6) at installation of the amount of injection liquid subject to extrusion. Between control element (6) and dispenser (18) there is a second fixing device (62) configured to be actuated only in second position (52) of control element (6) when extruding the amount of the injection liquid to be squeezed out.

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

10 cl, 29 dwg