An arrangement for the contamination-free introduction of a sterile object from a vessel, which has been closed by means of a cover, into a working chamber, which is surrounded by a wall, of a containment comprising:
- a) a portal unit having:
- aa) an access flange which is arranged in the wall and which forms a passage from the outside into the working chamber;
- and
- ab) a door which sealingly closes the passage and which, in order to be opened, can be moved into the working chamber;
- and
- b) a vessel receptacle having:
- ba) a repository for holding a vessel that has been introduced into the vessel receptacle;
- bb) an opening for the introduction of the vessel into the repository;
- and
- bc) a flange for interacting with the access flange, wherein
- c) a decontamination unit is designed to, when the door has been closed, the vessel receptacle has been docked to the access flange and the vessel has been stored in the vessel receptacle, decontaminate an outer surface, facing toward the door, of the cover.