The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 26, 2023

Filed:

Nov. 19, 2018
Applicant:

Sanofi, Paris, FR;

Inventor:

Oliver Greven, Frankfurt am Main, DE;

Assignee:

Sanofi, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31576 (2013.01); A61M 5/3135 (2013.01); A61M 5/31501 (2013.01); A61M 5/31511 (2013.01); A61M 2005/3142 (2013.01); A61M 2005/31508 (2013.01); A61M 2205/8281 (2013.01);
Abstract

The present disclosure relates to a drive subassembly for a drug delivery device, the drive subassembly comprising a proximal housing part comprising a body portion and a closure portion configured as separate parts adapted to be coupled to each other, the closure portion comprising an end face and a guide rod extending from the end face in a distal direction, the guide rod adapted to be inserted into a drive spring; and a plunger, wherein the body portion comprises a profiled slot adapted to engage a plunger boss of the plunger to impede movement of the plunger in the distal direction unless the plunger is rotated to move the plunger boss out of the profiled slot. The disclosure furthermore relates to a proximal housing part for a drug delivery device, to a method for assembling the drive subassembly and to a method for assembling the drug delivery device.


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