Ostomy appliance

Abstract

An ostomy appliance (10) comprising a base plate (20) with a first coupling part (40), a collecting bag (30) with a second coupling part (50), the first coupling part (40) and the second coupling part (50) being configured for cooperating with each other so as to provide a coupling between the collecting bag and the base plate; the first coupling part (40) comprises a first coupling ring (41) comprising an axially extending first flange (42), the axially extending first flange (42) comprises an outer contact face (44) and a ring collar (45), the ring collar is positioned on the distal part of axially extending first flange (42), the distal surface of the ring collar (45) having a first diameter; the second coupling part (50) comprises a second coupling ring (51) comprising an axially extending lock flange (53), the axially extending lock flange (53) of the second coupling part (50) comprises an inner lock contact face (54) having a second diameter; the second coupling part (50) comprises a radially extending second flange (52) and a sealing ring (55) adapted for sealing between the first coupling part (40) and the second coupling part (50), wherein the sealing ring (55) is adapted for being positioned at a distal surface on the ring collar (45) of the axially extending first flange (42) so as to provide a seal.

Dependencies are inferred from the claim text.