US 11,986,637 B2
State indicator and drug delivery device with a state indicator and a method for manufacturing a drug delivery device
Michael Helmer, Frankfurt am Main (DE)
Assigned to Sanofi-Aventis Deutschland GMBH, Frankfurt am Main (DE)
Filed by Sanofi-Aventis Deutschland GMBH, Frankfurt am Main (DE)
Filed on Dec. 15, 2021, as Appl. No. 17/552,040.
Application 17/552,040 is a continuation of application No. 16/344,558, granted, now 11,207,466, previously published as PCT/EP2017/077167, filed on Oct. 24, 2017.
Claims priority of application No. 16195411 (EP), filed on Oct. 25, 2016.
Prior Publication US 2022/0105273 A1, Apr. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 5/28 (2006.01); A61M 5/31 (2006.01); A61M 5/32 (2006.01)
CPC A61M 5/28 (2013.01) [A61M 2005/3126 (2013.01); A61M 5/3243 (2013.01); A61M 2205/3306 (2013.01); A61M 2205/50 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A state indicator comprising:
an outer housing structure which is designed for indicating a number of states of a drug delivery device,
wherein the state indicator is configured to indicate a current state of the drug delivery device selected from at least three states based on respective marks located on a movable component of the drug delivery device, the at least three states comprising:
a pre-injection state before injection,
an injection state during the injection when the injection is being performed, and
a post-injection state when the injection is completed,
wherein the state indicator is formed as an electronic indicator, and
wherein the state indicator is designed as an add-on device which can be attached to and removed from the drug delivery device.