INJECTION DEVICE Russian patent published in 2018 - IPC A61M5/315 

FIELD: medicine.

SUBSTANCE: invention relates to medical technology, namely, to injection devices. Injection device comprises housing; dose indicator located in the housing and fixed therein in the axial direction and rotatable with respect to the housing during the dose setting and at the time of dispensing the dose; measuring element that is at least partially located between the housing and the dose indicator, measuring element being arranged to be directed axially in the housing and is threadedly engaged with the dose indicator such that rotation of the dose indicator results in an axial displacement of the measuring element. Moreover, there is a contrast element having a first mark, wherein at least a portion of the measuring element is provided with a second mark, either only the first mark, or only the second mark, or both, the first mark and the second mark, are visible through the first window or hole in the housing, depending on the axial position of the measuring element within the housing. Moreover, the portion of the measuring element has a second mark located between the body and the contrast element, so that an analog optical dose setting and feedback are provided, said visual feedback being provided in addition to the numeric display provided by the dose indicator.

EFFECT: injection device is proposed.

15 cl, 14 dwg