Patent ID: 7815610

Claim:
Injection apparatus comprising: (a) an injector assembly comprising: an injector pre-filled with a medicament and including a cylindrical body, a safety needle assembly provided on the forward end of the cylindrical body, and a plunger projecting from the rearward end of the cylindrical body, a piston being provided on the plunger for expelling medicament out of the safety needle assembly; and (b) packaging for said injector assembly comprising: a sleeve open at one end and closed at the other end, said sleeve removably receiving said injector therein, said injector initially being located in the sleeve with the plunger nearer the closed end of the sleeve and the safety needle assembly projecting from the open end of the sleeve, said sleeve surrounding and enclosing at least the cylindrical body and plunger of said injector; a cap adapted to be fitted to the open end of the sleeve, the cap being configured to receive the safety needle assembly when said cap is fitted to the sleeve accommodating the injector; seal means for sealing the cap to the sleeve; and co-operable retention means for acting between the safety needle assembly and the inner surface of the sleeve nearer the closed end thereof to retain the safety needle assembly in the sleeve at the closed end thereof; the arrangement being such that following the breaking of the seal, the injector is removable from the sleeve and the cap is removable from the safety needle assembly so permitting the injector assembly to be used to perform an injection, whereafter the injector is reinsertable into the sleeve with the safety needle assembly nearer the closed end thereof, the co-operable retention means then serving to retain the safety needle assembly in the sleeve.