| 摘要 |
The invention relates to an attachment (1) or a cartridge comprising a sealing element (5) having an opening (9) for a medium located in the syringe or cartridge or to be introduced into the syringe (3) or cartridge. The attachment (1) is characterised by an actuating device (11) which, in a first functional position, exerts a force on the wall of the opening (9) in such a way that the opening (9) is closed, and leaves the opening (9) open in a second functional position. |
