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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.:

US 11660400 B1

PDFFull Text
Date of Patent:
May. 30, 2023

Filed:

Dec. 27, 2019

Sensor arrangement for an injection device

Applicant:

Sanofi-aventis Deutschland Gmbh, Frankfurt am Main, DE;

Inventor:

Stephan Mueller-Pathle, Frankfurt am Main, DE;

Assignee:

Sanofi-Aventis Deutschland GMBH, Frankfurt am Main, DE;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Emily L Schmidt

Assistant Examiner:

Alexandra Lalonde

Int. Cl.
CPC ...
A61M 5/315 (2006.01); G01R 33/038 (2006.01); G01D 5/245 (2006.01); A61M 5/24 (2006.01); G01R 33/02 (2006.01); G01D 5/20 (2006.01); A61M 5/31 (2006.01); G01D 5/14 (2006.01); A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31568 (2013.01); A61M 5/24 (2013.01); A61M 5/2466 (2013.01); A61M 5/31525 (2013.01); A61M 5/31541 (2013.01); A61M 5/31551 (2013.01); A61M 5/31581 (2013.01); G01D 5/2013 (2013.01); G01D 5/2451 (2013.01); G01R 33/02 (2013.01); G01R 33/038 (2013.01); A61M 5/31553 (2013.01); A61M 5/31585 (2013.01); A61M 5/31593 (2013.01); A61M 5/3202 (2013.01); A61M 2005/3126 (2013.01); A61M 2205/0238 (2013.01); A61M 2205/3317 (2013.01); A61M 2205/3561 (2013.01); A61M 2205/3584 (2013.01); A61M 2205/3592 (2013.01); A61M 2205/50 (2013.01); A61M 2205/502 (2013.01); A61M 2205/8293 (2013.01); G01D 5/145 (2013.01);
Abstract

The disclosure relates to a sensor arrangement for an injection device to determine an axial position of at least one device component of the injection device inside a housing of the injection device. The sensor arrangement includes an elongated member located inside the housing, extending in an axial direction and having at least a first section and a second section of different magnetization. The first and second sections are separated in the axial direction. The sensor arrangement also includes at least one magnetic sensor element attached to the housing to detect the axial position of at least one of the first and second sections.

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