Container for introducing at least one non-sterile vessel in a sterile region

A container (5) for receiving at least one non-sterile vessel (1, 1′), in particular a pierceable ampoule with a pierceable rubber stopper (3), containing a removable substance (2, 2′), and for introducing the at least one non-sterile vessel (1, 1′) into a sterile region (I), said container (5) comprising at least two interconnectable parts (6, 7) which, in their interconnected state, are designed to enclose the at least one non-sterile vessel (1, 1′), one container part (7) including at least one means (11, 11′) for removing the respective substance (2, 2′) from the at least one non-sterile vessel (1, 1′), wherein said container parts (6, 7) are sterile and are surrounded by a removable envelope (10) which comprises at least two parts (8, 9), wherein said sterile container parts (6, 7) for enclosing the at least one non-sterile vessel (1, 1′) can be opened and closed again by gripping only the at least two parts (8, 9) of the envelope (10), said envelope being removable by pulling off the at least two parts (8, 9) of the envelope (10) before the sterile container (5) enclosing the non-sterile vessel (1, 1′) is introduced into the sterile region (I).