Patent ID: 11951292
Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBH
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An auto-injector comprising:
a case adapted to hold a syringe containing a liquid medicament, a stopper being arranged for sealing the syringe proximally and for displacing the liquid medicament through a needle arranged or received at a distal end of the syringe; and
a needle shroud telescoped within the case and movable between an extended position and a retracted position, the needle shroud biased relative to the case toward the extended position by a control spring, wherein the syringe is held in a syringe carrier, and the syringe carrier is slidably arranged within the case;
wherein the syringe carrier comprises a distal portion adapted to hold the syringe and a proximal portion adapted to retain a plunger,
wherein the auto-injector is configured such that the needle shroud is moved towards the extended position relative to the syringe carrier by the control spring, and
wherein the control spring is proximally grounded in the case by direct physical contact to the case.