The device (1) for the treatment of esophageal stenoses, comprising at least a body (2) of elongated shape intended to be inserted within the esophagus of a patient, and a tubular sheath (4) mounted around said body (2) to define an interspace (5) between said body (2) and the tubular sheath (4), wherein it comprises a stiffening element (8, 9) accommodated in said interspace (5) and comprising a plurality of ribs (8) which extend along said interspace (5).
