Ostomy appliance
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.
1 . An ostomy appliance comprising:
a base plate comprising a first coupling part; and
a collecting bag connected to a second coupling part;
the first coupling part comprises an integrated first coupling ring comprising:
a radially outwardly extending proximal flange,
an axially extending first flange comprising an outer contact face, and
a ring collar integrated on a distal part of the axially extending first flange, with a distal surface of the ring collar having a first diameter;
the second coupling part comprises an integrated second coupling ring comprising:
a radially outwardly extending distal locking flange,
an axially extending lock flange comprising an inner lock contact face having a second diameter, and
a radially inwardly extending second flange forming comprising a sealing ring that forms a groove distal to the inner lock contact face;
wherein the radially outwardly extending proximal flange of the integrated first coupling ring is a continuously endless first ring;
wherein the radially outwardly extending distal locking flange of the integrated second coupling ring is a continuously endless second ring.
2 . The ostomy appliance according to claim 1 , wherein the second diameter is equal to or smaller than the first diameter.
3 . The ostomy appliance according to claim 1 , wherein the base plate is attachable to skin of a user and the first coupling part is a male coupling projecting from the base plate, and the second coupling part is a female coupling adapted to receive the male coupling to allow the collecting bag to be attached to and removed from the base plate with the base plate attached to the skin.
4 . The ostomy appliance according to claim 1 , wherein, when the first coupling part and the second coupling part are connected, the outer contact face of the axially extending first flange and the inner lock contact face of the axially extending lock flange abut.
5 . The ostomy appliance according to claim 1 , wherein the continuously endless second ring is deformable and flexible to allow the ring collar of the integrated first coupling ring to be inserted into the groove of the sealing ring of the continuously endless second ring.
6 . The ostomy appliance according to claim 1 , wherein the sealing ring of the radially inwardly extending second flange extends inward relative to the second diameter of the inner lock contact face.
7 . The ostomy appliance according to claim 1 , wherein the sealing ring comprises one of a plastic material, a thermoplastic elastomer, and a polyurethane.
8 . The ostomy appliance according to claim 1 , wherein the radially outwardly extending distal locking flange and the radially inwardly extending second flange of the second coupling ring are made of the same material.
9 . The ostomy appliance according to claim 1 , wherein the first coupling ring comprises a soft sealing part and a stabilising part more rigid than the soft sealing part, the stabilising part formed by the axially extending first flange and the soft sealing part formed by the ring collar, with the ring collar positioned radially outwards on the stabilising part.
10 . The ostomy appliance according to claim 1 , wherein the ring collar extends radially outwards to form an indentation adapted to snap-fit with the groove of the sealing ring.
11 . The ostomy appliance according to claim 1 , wherein the second coupling part comprises two radially outwardly extending locking flanges including a radially outwardly extending proximal locking flange spaced a distance from the radially outwardly extending distal locking flange, the two radially outwardly extending locking flanges extending radially outwards relative to the groove and the inner look contact face.
12 . The ostomy appliance according to claim 11 , wherein the radially outwardly extending proximal locking flange comprises two or more slits in radial direction.
13 . The ostomy appliance according to claim 12 , wherein the two or more slits extended into the axially extending lock flange.
14 . The ostomy appliance according to claim 12 , wherein the two or more slits are evenly distributed along a periphery of the radially outwardly extending proximal locking flange.
15 . The ostomy appliance of claim 1 , wherein the integrated second coupling ring further comprises a radially outwardly extending proximal locking flange located proximal the inner lock contact face;
wherein slits are formed in each of the axially extending lock flange and the radially outwardly extending proximal locking flange to allow the integrated second coupling ring to flex when the second coupling part is secured to the first coupling part.
16 . The ostomy appliance according to claim 1 , wherein, when the first coupling part and the second coupling part are connected, the ring collar of the first coupling part engages with the groove of the sealing ring of the second coupling part.