The present invention relates to an assembly for medical use for administering a product to a patient, the assembly comprising a tube and a connector designed to be attached to an end of the tube, characterized in that the connector comprises an appendage designed to be inserted into the tube, the dimensions of the appendage being adapted to the dimensions of the tube in such a way as to exert a set of forces tending to dilate the tube, and a skirt surrounding the appendage in order to define a groove for receiving the tube between the appendage and the skirt, the dimensions of the skirt being provided in such a way as to exert a set of forces tending to compress the tube.