Patent ID: 9074960
Filing Date: 2015-07-07
Classification: A61M,G01M

Abstract:
1. A method for checking a syringe body comprising a hollow body, a seal for closing the hollow body and a dose of a liquid product enclosed by the hollow body and by the seal, the method comprising: preparing a syringe body; applying a pneumatic negative pressure to the syringe body; preparing a stop body; and moving the syringe body and the stop body towards each other in such a way that, during at least a part of the step of applying the pneumatic negative pressure, the stop body obstructs withdrawal of the seal towards a rear end of the syringe body opposite the liquid product; wherein the moving the syringe body and the stop body towards each other is carried out by moving the stop body so that the stop body is positioned substantially in contact with the seal of the syringe body; wherein the movement of the stop body is obtained by making the stop body free at least relative to a movement towards the syringe body and exposing the stop body to the same pneumatic negative pressure applied to the syringe body such that the stop body is brought towards the syringe body by the pneumatic negative pressure.