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.
Patent No.:
Date of Patent:
Jun. 16, 2020
Filed:
Dec. 18, 2015
Applicant:
Sanofi-aventis Deutschand Gmbh, Frankfurt am Main, DE;
Inventors:
Christian Nessel, Frankfurt am Main, DE;
René Richter, Tharandt, DE;
Robert Witt, Dresden, DE;
Richard Guenther, Dresden, DE;
Assignee:
Sanofi-Aventis Deutschland GMBH, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/14 (2006.01); A61M 5/142 (2006.01); H02K 41/03 (2006.01); H02P 8/00 (2006.01); A61M 5/30 (2006.01); H02K 11/225 (2016.01); A61M 5/20 (2006.01); H02P 25/066 (2016.01); H02P 8/34 (2006.01); A61M 5/24 (2006.01);
U.S. Cl.
CPC ...
A61M 5/14212 (2013.01); A61M 5/20 (2013.01); A61M 5/30 (2013.01); H02K 11/225 (2016.01); H02K 41/031 (2013.01); H02P 8/005 (2013.01); H02P 8/34 (2013.01); H02P 25/066 (2016.02); A61M 5/24 (2013.01); H02P 2203/01 (2013.01);
Abstract
The disclosure relates to a drug delivery device having a drive unit includes a stator comprising a plurality of coils consecutively arranged in an axial direction, and an armature axially movable within the stator, the armature including a number of magnets and pole shoes consecutively arranged in the axial direction. A respective pole shoe is arranged between respectively neighbouring magnets. At least one axial end of the armature comprises a terminal pole shoe.