US 12,138,428 B1
Electronic add-on module and assembly of an electronic add-on module and a drug delivery device
Michael Jugl, Frankfurt am Main (DE); Martin Vitt, Frankfurt am Main (DE); Paul Hayton, Bristol (GB); Ralph Donald Quentin Collings, Bristol (GB); and Jakub Sekula, Bristol (GB)
Assigned to Sanofi, Paris (FR)
Filed by Sanofi, Paris (FR)
Filed on Jan. 24, 2024, as Appl. No. 18/421,659.
Int. Cl. A61M 5/24 (2006.01); A61M 5/31 (2006.01); A61M 5/315 (2006.01)
CPC A61M 5/2422 (2013.01) [A61M 5/3155 (2013.01); A61M 2005/3126 (2013.01); A61M 2205/581 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electronic add-on module configured for attachment to a drug delivery device, the electronic add-on module comprising a first portion with a main housing defining a longitudinal axis, wherein the first portion comprises on an inner side of the main housing at least two elastically deformable arms each having a first end constrained to the main housing and a clamping section which is configured to be elastically deflected radially outwards with respect to the longitudinal axis from an unstressed, nominal position to a strained, deflected position, wherein when the arms are in their nominal position, the clamping sections circumvent a cavity configured to receive a portion of the drug delivery device, wherein the arms are provided on a common gripper ring which is constrained in the main housing, and wherein the common gripper ring comprises at least one leaf spring extending proximally from the common gripper ring.