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:
Jul. 25, 2023
Filed:
Jun. 19, 2020
Q-med Ab, Uppsala, SE;
Jonas Törnsten, Uppsala, SE;
Max Blomqvist, Uppsala, SE;
Joël Fontannaz, Bulle, CH;
Elise Gortchacow, Wabern, CH;
Galderma Holding SA, Zug, CH;
Abstract
An exchangeable cartridge for an injection device is disclosed. The cartridge () comprises a container () and a plunger () connectable with a plunger rod (). The container receives the plunger rod from its rear end. The plunger comprises a rod connector () connectable with a front portion (), and the rod connector has a base portion (), an outer wall section (), an inner wall section (), and a rod stop portion () encircled by the inner wall section. The inner wall section comprises several tongues () protruding rearwards from the base portion and defining an entrance opening () for the plunger rod. The inner wall section receives a front portion () of the plunger rod through the entrance, and the tongues are provided with retaining portions arranged to retain the front end portion during retraction of the plunger rod within the housing.