Endoscopic accessory comprising a main cylindrical body (1), of slightly larger diameter than that of the endoscope and composed of a wall (1a), a lower end (1b) in the part intended to be placed around the endoscope, an upper end (1c)) provided with an elbow (4) and a tubular member (2) of diameter slightly smaller than the diameter of the washing channel of the endoscope and extending parallel to the inner wall of the cylindrical body, attached to said body through the elbow (4) , projecting from said main body slightly by the upper end, provided in this last end with a head (2a). (Machine-translation by Google Translate, not legally binding)