Patent ID: 9333147
Filing Date: 2016-05-10
CPC Classification: A61J,A61M,B65B

Claim Text:
1. A device for sealing a vessel, in particular a cartridge or a test-tube for accommodating a freeze-dried pharmaceutical product, wherein the vessel comprises at its opening end an opening edge and an adjoining longitudinal portion with an evenly formed inner cross section, the device comprising: a front plunger to be positioned inside the vessel at the longitudinal portion, wherein the front plunger is configured to be positioned in the vessel in a sealing state, in which the front plunger is fully inserted in the vessel, or in an exchange state, in which the front plunger is inserted partly in the vessel and partly protrudes over the opening edge of the vessel, so that when a pressure difference is provided between the inside and the outside of the vessel, the front plunger is capable of moving from the sealing state towards the opening end of the vessel until it is positioned in the exchange state and further comprises