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:
Jun. 30, 2020

Filed:

Oct. 09, 2015
Applicant:

Sanofi, Paris, FR;

Inventors:

William Marsh, Buckinghamshire, GB;

Anthony Paul Morris, Coventry, GB;

Assignee:

Sanofi, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/31 (2006.01); A61M 5/315 (2006.01); A61M 5/24 (2006.01); A61M 5/20 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31553 (2013.01); A61M 5/20 (2013.01); A61M 5/24 (2013.01); A61M 5/31541 (2013.01); A61M 5/31563 (2013.01); A61M 5/31583 (2013.01); A61M 5/31593 (2013.01); A61M 2005/3126 (2013.01); A61M 2205/581 (2013.01); A61M 2205/582 (2013.01); A61M 2205/583 (2013.01); A61M 2207/00 (2013.01);
Abstract

The present disclosure is directed to a drive sleeve with a hollow body having a ring of crown teeth with a first outer diameter forming a clutch interface at a first end and a thread extending on an outer surface of the body. The thread has a major diameter and a minor diameter, wherein the ring of crown teeth has at least two cavities. The at least two cavities extend on the outer surface of the body from the first end to the thread and defining a second outer diameter which is smaller than the major diameter of the thread. Further, some embodiments are directed to a drug delivery device with such a drive sleeve and a method for assembling a drug delivery device.


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