Patent ID: 8152772
Filing Date: 2012-04-10
Classification: A61M

Abstract:
1. An attachment for a syringe or a cartridge comprising: a sealing element having an opening for a medium located in the syringe or cartridge or to be introduced into the syringe or cartridge; and an actuating device for exerting a force on a wall of the opening in a first functional position such that the opening is closed, and leaves the opening open in a second functional position; wherein the sealing element includes a conical section through which the opening extends and the actuating device includes a passage channel with an actuating region acting on the conical section, the actuating region being formed by a conical widening of an interior diameter of the passage channel, and the passage channel being aligned with the opening in the sealing element; and wherein the actuating device exerts an external force for inwardly displacing the wall of the opening and thereby closing the opening preventing fluid flow therethrough.