Injector device
AssigneeSanofi
InventorsBeate Franke, Ulrich Brueggemann, Jeff Kablik
Life of this patent
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Abstract
An injector device includes a housing and a cartridge having a reservoir for medicament. The injector device further includes a needle unit comprising a needle, and an actuator. The needle unit is movably mounted to the housing and, prior to use of the injector device the reservoir, is sealed from the needle. The actuator is configured to move the needle unit 5 into engagement with the cartridge such that the needle is moved into fluid communication with the reservoir. A thread is arranged to cause rotation of the needle unit as the needle unit moves into engagement with the cartridge.
Claims16
An injector device comprising:
- a housing,
- a cartridge having a reservoir for medicament,
- a needle unit comprising a needle, the needle unit being movably mounted to the housing, wherein prior to use of the injector device the reservoir is sealed from the needle,
- an actuator configured to move the needle unit into engagement with the cartridge such that the needle is moved into fluid communication with the reservoir, and
- a thread configured to cause rotation of the needle unit as the needle unit moves into engagement with the cartridge;
- wherein the actuator comprises a needle sleeve that is slidably mounted to the housing such that the needle sleeve slides into the housing during use of the injector device, the needle sleeve being configured to engage the needle unit and push the needle unit into engagement with the cartridge such that the needle is moved into fluid communication with the reservoir.
Dependencies are inferred from the claim text.