The electrosurgical device comprises at least one hollow body of elongated shape and having: a gripping portion, in turn, comprising a proximal ending part connectable to a current generator and to feeding means of an electro-conductive fluid; a contact portion comprising a distal ending part having one active electrode and one neutral electrode adapted to come into contact with the body of a patient; and at least one tubular duct passing through the hollow body and having one feeding hole of the fluid formed on the proximal ending part, and one delivery hole of the fluid formed on the distal ending part; the delivery hole is at least partially circular and extends around at least one of the electrodes.