INJECTION PEN WITH INJECTION COMPLETION INDICATOR (VARIANTS) Russian patent published in 2018 - IPC A61M5/20 

FIELD: medicine.

SUBSTANCE: pen syringe includes a casing, a dose setting element, in particular a master controller connected to the casing for setting a dose; and a window. At that, the window is made in the casing in such a way, that the dose setting element is visible in the window for indicating the dose setting element zero position and no part of the dose setting element is visible in the window to indicate the position that is other than the dose setting element zero position. Wherein the dose setting element is in the zero position when a set dose has been completely administered.

EFFECT: invention relates to medical equipment, namely to the medication injection pens.

13 cl, 31 dwg