Needle Changing Apparatus

An apparatus for storing and changing needles for connection with a medicament delivery device, the apparatus comprising:

• a housing having a floor disposed at a distal end thereof;
• a needle holder disposed within the housing, for fluidly connecting with the medicament container of the medicament delivery device;
• a plurality of needles displaceably disposed on the needle holder;
• a user interface disposed on the housing to individually select one of the plurality of needles and displace the selected needle;
• and
• a plurality of sterility barriers for ensuring sterility of a patient portion of each needle prior to exposure to an outside of the apparatus;
• wherein each sterility barrier comprises:
• a needle hub disposed around a portion of the patient portion of the needle;
• and
• an introducer, adapted to slide relative to the needle hub, the introducer having a distal cutting tip adapted to cut an opening to access the outside of the apparatus through the floor.