Closing a chamber of a container for a pharmaceutical product

A device for closing a chamber of a container having an opening for accessing the chamber, comprising:

• a plunger;
• a spacer;
• a support comprising a plunger seat and a support part of the spacer;
• and
• a holder comprising a container carrier and a holder part of the spacer, wherein
• the plunger seat of the support releasably holds the plunger in a predefined alignment,
• the container carrier of the holder is arranged to be connected to the container in a predefined position and alignment in relation to the opening of the container,
• the spacer is arranged to predefine a position and alignment of the plunger seat in relation to the container carrier,
• in a predefined distant position of the device, the plunger seat of the support is located distant from the opening of the container when the container is connected to the container carrier of the holder such that the opening of the container is open,
• in a predefined near position of the device, the plunger seat of the support is arranged adjacent to the opening of the container when the container is connected to the container carrier of the holder such that the plunger is providable into the opening of the container for closing the container,
• the support part of the spacer and the holder part of the spacer are arranged to interengage by forming a snap-in connection to be connected in the predefined distant position of the device and to be connected in the predefined near position of the device,
• the snap-in connection is formed by the support part being received within a portion of the holder part, and
• the support comprises at least one further plunger seat and a support base plate on which the plunger seat, the at least one further plunger seat, and the support part of the spacer are arranged.