The prosthesis (1) of enterostomy patient includes: a tubular element (2) for elongated shape and substantially can be inserted into, sorting in the stomata (3) manufactured on the stomach wall (4) of a patient One primary obstruction means (8) to hinder at least one region of stomata (3) associated with a first end (6) of tubular element (2) and movably allow insertion/extraction to/from stomata (3) respectively between restricted configuration (9) and an enlarged configuration (10), prevents the leakage of the dregs from stomata itself The first through duct (13) manufactured on tubular element (2) communicates with primary obstruction and means (8) and the valve means (14) that may be connected to compulsory introduction/extraction is allowed to mean that (15) to/from a fluid of primary obstruction mean (8) The second through duct (19) manufactured on tubular element (2), the internal communication with stomata (3) and the filter means (20) with the outflow for the gas from stomata itself With -- an external retaining element (11), its with first end (6) opposite and can at least one portion of stomach wall (4) cooperate and have setting a second end (7) for the first conduit (13) and at least two through-holes (16, the 21) tubular element (2) of Article 2 conduit (19) be associated Wherein an elastic material at least partly carries out at least one of tubular element (2) and fixing element (11).
