The invention relates to a device for sterile connection of single-use medical articles, consisting of an outlet connector (1), which has an outlet cylinder (4) that is equipped with a seal (6) and that is closed at one of its ends. A union nut (8) is provided on the outlet connector (1), and of an inlet connector (2), which can be connected with the outlet connector (1) and which is closed at one of its ends. The outlet connector (1) and the inlet connector (2) are respectively closed at their ends turned toward one another with a perforation seal (9, 9′).
