Device For Injecting A Pharmaceutical Liquid, Configured To Be Pre-filled

摘要

An injection device which is configured to be pre-filled, including a vessel for storing the liquid, having two opposing ends, each provided with an opening, referred to as proximal end and distal end, and arranged to receive a sliding piston in order to exert pressure on the liquid. The vessel includes a wall including at least two vertically adjacent layers, each including vertically adjacent plastic material, the first and second layers having different gas permeability.

主权项

1. A device for injecting pharmaceutical liquid, configured to be prefilled, comprising a liquid storage reservoir that has two opposite ends, each provided with an orifice, and referred to as a proximal end and a distal end, and the reservoir being arranged in order to receive a slidable plunger for exerting a pressure on the liquid, characterized in that the reservoir has a wall that comprises at least two superposed layers, each comprising a plastic material, being referred to as a first layer and a second layer, and having a different permeability to gases, the first layer or the second layer being in the form of a film that is overmolded by the other layer.