Sanofi
Injection Device

Abstract:

The present invention relates to an injection device that includes a housing having an axis, and a needle sleeve that is axially movably within the housing. Axial movement of the needle sleeve into the housing is configured to actuate an injection process. The needle sleeve includes a first part that is slidably mounted to the housing, and a second part that protrudes from the housing and is rotationally coupled to the first part. The needle sleeve includes a locking mechanism that is configured to prevent axial movement of the needle sleeve into the housing until the second part of the needle sleeve has been rotated relative to the first part of the needle sleeve.