The present invention relates to a sealing device (1) for making it possible to collect a composition that is intended for enteral or nasal administration or for topical use and is contained in a container. The sealing device is characterized in that it comprises: a tip (2) that defines an internal passage (3) leading to an opening (4) and is designed to allow connection to a collection member such as an enteral syringe a non return valve (5) that is associated with said tip (2) and is designed to open during collection of the contents of the container using the collection member at least one air return port (6) and an antibacterial filter (7) associated with said at least one port (6).
