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

Claim 4:
5. The auto-injector of claim 3, wherein, when a force on the needle shroud overcomes a biasing force of the control spring, the shroud boss abuts the carrier opening and deflects radially via a shroud beam coupled to the shroud boss, disengaging the needle shroud from the syringe carrier, wherein, when the needle shroud is in a first extended position relative to the case, the shroud boss radially abuts a radial case boss, which prevents the needle shroud from disengaging the syringe carrier when the needle shroud is in the first extended position, wherein an axial case boss is adapted to distally abut the shroud boss such that the needle shroud cannot be moved distally beyond the first extended position prior to use.