Drug delivery device

A drug delivery device, comprising:

• a housing;
• a drug container within the housing, the drug container having a chamber, a dispensing end, and a remote end facing away from the dispensing end;
• a stopper within the chamber, wherein the stopper sealingly closes the chamber of the drug container on the side of the remote end of the drug container;
• and
• a plunger arrangement having several plunger elements for moving the stopper in a dispensing direction towards the dispensing end of the drug container,
• wherein the plunger elements are configured for being rotated around an axis perpendicular to the dispensing direction, for being introduced into the chamber of the drug container one after the other and for pushing the stopper in the dispensing direction, upon rotation of the plunger elements around the axis.

A method for dispensing a drug, comprising:

• providing a drug delivery device, comprising:
• a housing;
• a drug container within the housing, the drug container having a chamber, a dispensing end, and a remote end facing away from the dispensing end;
• a stopper within the chamber, wherein the stopper sealingly closes the chamber of the drug container on the side of the remote end of the drug container;
• a drug contained within the chamber, wherein the drug is enclosed by the drug container and the stopper;
• and
• a plunger arrangement having several plunger elements for moving the stopper in a dispensing direction towards the dispensing end of the drug container,
• wherein the plunger elements are configured for being rotated around an axis perpendicular to the dispensing direction, for being introduced into the chamber of the drug container one after the other and for pushing the stopper in the dispensing direction, upon rotation of the plunger elements around the axis, and
• causing the plunger elements to rotate around the axis.