Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gunnar Elmen0
Sebastian Karlsson0
Date of Patent
November 16, 2021
Patent Application Number
16053513
Date Filed
August 2, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
An injection device with a feedback mechanism includes a housing for a medicament container having a stopper, a plunger rod for acting on the stopper, a button interactively connected to the plunger rod, an activation member having a flexible locking device releasably connected to the plunger rod, a drive force device, a locking member slidable between positions in which the locking member either completely or partially surrounds the flexible locking device, and a guide rod. Audible and tactile information that an injection has started is provided by the plunger rod's hitting the stopper.
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