Patent ID: 9489615
Filing Date: 2016-11-08
CPC Classification: A61M,G06M

Claim Text:
1. Counting mechanism for a drug delivery device, comprising a first counting member comprising an interaction element, a second counting member comprising engagement elements that are configured to engage with the interaction element of the first counting member, and a separating member, wherein the first counting member is moveable relative to the separating member between a first and a second relative position, and the separating member is configured to prevent an engagement of the interaction element with the engagement elements when the first counting member is in the second relative position with respect to the separating member, wherein the counting mechanism comprises a blocking element preventing a further operation of the counting mechanism when the first counting member is in a pre-defined first relative blocking position with respect to the blocking element and the second counting member is in a pre-defined second relative blocking position with respect to the blocking element.