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:
Mar. 19, 2024

Filed:

Jul. 07, 2021
Applicant:

Ypsomed Ag, Burgdorf, CH;

Inventors:

Philippe Kohlbrenner, Kaltacker, CH;

Daniel Kuenzli, Langendorf, CH;

Christoph Meier, Utzenstorf, CH;

Peter Stettler, Kirchberg, CH;

Juergen Wittmann, Burgdorf, CH;

Martin Wittwer, Wyssachen, CH;

Assignee:

Ypsomed AG, Burgdorf, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/31 (2006.01); A61M 5/315 (2006.01); A61M 5/32 (2006.01); F04B 49/10 (2006.01); A61M 5/20 (2006.01); A61M 5/24 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31583 (2013.01); A61M 5/31533 (2013.01); A61M 5/31553 (2013.01); A61M 5/31555 (2013.01); A61M 5/31585 (2013.01); A61M 5/3204 (2013.01); A61M 5/3245 (2013.01); F04B 49/106 (2013.01); A61M 5/20 (2013.01); A61M 2005/202 (2013.01); A61M 5/24 (2013.01); A61M 2005/3125 (2013.01); A61M 2005/3126 (2013.01); A61M 2005/3142 (2013.01); A61M 5/31535 (2013.01); A61M 5/31536 (2013.01); A61M 5/31543 (2013.01); A61M 5/31558 (2013.01); A61M 5/31561 (2013.01); A61M 5/31575 (2013.01); A61M 5/31593 (2013.01); A61M 2005/3247 (2013.01); A61M 5/3257 (2013.01); A61M 5/326 (2013.01);
Abstract

A device for administering a fluid product includes a first housing part with a receiver for the product, a second housing part detachably connectable to the first housing part, a piston rod held such that it can be displaced for the exertion of an emptying movement, an actuatable or releasable drive element for the piston rod, a coupling element including a coupling input element that couples the drive element to the piston rod in a coupling engagement, transmits a driving force of the drive element to the piston rod, and triggers the emptying movement, and a decoupling element displaceably connected to the second housing part and coupled to the first housing part such that it is displaced, by a movement of the housing parts in relation to each other when the housing parts are separated into a decoupling position wherein the piston rod is decoupled from the coupling input element.


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