JP3737153B2 - Colostomy coupling - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a coupling for a prosthetic appliance, and in particular, connects a bag for receiving excreted material to a medical adhesive pad attached around a small hole in the surface of the wearer's skin. For couplings used for.
[0002]
[Prior art]
The couplings described above have been produced in various structures. Many of them were overly complex and expensive. A few things were simple in terms of structure, but there were still few that were simple and effective. Desirable characteristics in the coupling of prosthetic devices include:
Easy to handle especially for the elderly and weak users,
The first coupling member and the second coupling member, and thus the bag and the medical adhesive pad can be reliably interconnected without requiring a strong force;
The overall thickness of the device is small, and therefore there is minimal risk of awkwardness as the device protrudes from the underside of the garment to the eye, in other words, the “frightening” feel is minimal thing,
The coupling member can be handled so that the full bag can be removed and replaced with a new empty bag.
Is included.
[0003]
In the applicant's opinion, there is no prosthetic structure that satisfactorily satisfies all the above features. Accordingly, it is an object of the present invention to provide a coupling of a prosthetic device that is particularly simple and effective. In addition, the third member is usually used for the prosthetic device characterized by the “lock” mechanism, but this application is intended to realize the first “two-piece” lock mechanism in the coupling of the prosthetic device. Seem.
[0004]
SUMMARY OF THE INVENTION
According to the present invention, the two coupling members can be separated from each other so that the locking position where the two coupling members are locked to each other and the ostomy bag attached to one or the other coupling member can be removed. There is provided an expandable ring of one coupling member between the possible unlocked positions, i.e. a coupling of the prosthetic appliance that can be reversed by hand pressure around the circumference.
[0005]
According to the characteristics of the present invention, there is provided a coupling of a prosthetic device including the following first and second coupling members. The first coupling member has a flange, and a substantially cylindrical rib extends from the flange. The rib has a flexible and flexible sealing strip disposed radially inward thereof. The second coupling member has a base wall attached to a generally annular wall arranged to engage and be surrounded by the sealing strip of the first coupling member. Furthermore, the second coupling member is connected to the base wall by an integral plastic hinge, and is an outer wall made of an elastically stretchable or flexible synthetic plastic material that can be reversed and moved between two limited positions by the action of a finger. have. The outer wall extends substantially outside the base wall in its first or “open” position and locks into engagement with the radially outer portion of the first coupling member in its second or “closed” position.
[0006]
As far as the inventor knows and believes, the coupling of the prosthetic device according to the present invention is a lock ring or similar mechanism as shown in European patents or patent applications Nos. 255310, 286501, 461007, and 482104. The first colostomy coupling that has a simple structure consisting essentially of only two members, and can positively and effectively securely lock the two coupling members without using is there. In the coupling according to British Patent No. 1571657, a snap indentation is used to fix two coupling members. However, in the coupling according to the present invention, a part of the ring to be turned over is arranged on the body side facing it. By engaging the coupling member with the coupling member, both coupling members can be attached more permanently. Achieving this with only two simple molded parts is considered to be a significant advance in this area of use.
[0007]
In US Pat. No. 5,167,651 by Leise and Lavender, in a simple two-piece prosthetic device, the coupling ring directly attached to the wall of the prosthetic device pouch is A proposal was made to show two stable states. In this structure, the ring is formed of a plastic material that is relatively hard and can be bent, and can take two stable states. In the normal state, the ring is not substantially tensioned and its shape forms a truncated cone. In the other state, the taper direction of the cone is reversed, i.e. turned over, and the ring is still stable but at this time tensioned. In the normal state, the inner diameter of the ring is substantially smaller than in the reverse state. Therefore, when such rings are made to cooperate with each other, the user enlarges the opening in order to make it easy to connect the two members to each other, and then returns the ring, which exhibits two stable states together, to a normal state. It can seal reliably so that a fluid may not leak between both members. The flipping or bi-stable ring can be formed from a plastic material. Such rings are well known and have been used for several years in painted tin lids and plastic containers such as those used in briquetting sales.
[0008]
In the structure particularly disclosed and illustrated herein, the outer wall of the second coupling member can be reversed and moved between the closed position and the open position by the lever action of the finger. In its open position, the two coupling members can be easily separated. For this purpose, if desired, one or more coupling tabs can be provided on either or both coupling members. However, in the closed position of the outer wall, there is a detent or locking relationship between the protruding portion of the radially outer rim formed on the cylindrical rib and the step on the radially inner surface of the outer wall of the second coupling member. A structure as it exists is preferred.
[0009]
According to another aspect of the present invention, there is provided a ring-shaped coupling member for the coupling of a prosthetic appliance, which has a channel shape in cross section and is formed by a radially inner wall, an outer wall, and a floor wall. Is done. In this coupling member, (i) the floor wall of the coupling member has a plurality of indentations adjacent to the inner wall therein, and these indentations are equally spaced around the channel, (ii) The radially outer wall has a plurality of shelf-like overhangs protruding inward, and these overhangs are arranged at equal intervals around the channel and are sufficiently separated from the channel floor wall. A part of the channel is overhanging from the part.
[0010]
In this structure, the two coupling members can be more reliably attached due to the overlap between the overhang portion and the other coupling member. In other words, the overlapping of the overhang portions prevents the other (for example, the body side) coupling member from coming out of the channel in the axial direction of the coupling. Furthermore, it becomes easy to manufacture the body side coupling member using the injection molding technique.
[0011]
Preferably, the roof portion has a surface that is substantially parallel to and substantially flat with the floor wall of the channel, with a curved surface on its inside upper surface. Due to the latter shape, when two coupling members are connected to each other, it is relatively easy to push and fit them.
[0012]
In the structure according to this aspect of the invention, the action of the outer wall reversing as described above is preferably achieved by providing a plastic hinge connecting the outer wall to the rest of the channel-shaped coupling member.
[0013]
【Example】
Hereinafter, embodiments of the present invention shown in the accompanying drawings will be described in detail. In addition, in each figure, the same code | symbol has shown the same part.
[0014]
The first coupling member (male) shown in FIGS. 1 and 2 has a circular shape, and has a flange 10 and a substantially cylindrical rib 12. In particular, the columnar rib and the substantially circular coupling member are described here, but a satisfactory prosthetic coupling member can be formed even if it is not circular or cylindrical. For example, a colostomy coupling having an elliptical opening or a square or rectangular opening with curved corners can be formed. Accordingly, the content and claims disclosed in this patent application should not be limited to a prosthetic appliance having a geometrically circular structure.
[0015]
For a prosthetic instrument nominally 70 mm in size, the flange 10 can have an outer diameter of about 94 mm and the ribs 12 can have an inner diameter of about 77 mm. For a prosthetic instrument nominally 100 mm in size, the flange 10 can have an outer diameter of about 124 mm and the ribs 12 can have an inner diameter of about 107 mm. Of course, other sized prosthetic devices can be formed using the features of the present invention.
[0016]
The rib 12 has a flexible and flexible sealing strip 14 extending radially inward therefrom. The sealing strip 14 is tapered as shown in the figure. A rim portion 16 having a flat surface 18 is formed on the radially outer portion of the rib 12. Reference numeral 20 is attached to the opening of the coupling member. As shown in the figure, the thickness of the flange 10 gradually decreases toward the outer edge. However, if desired, the flange can be formed to a uniform thickness.
[0017]
FIG. 3 shows an annular second coupling member (female). The second coupling member has a substantially cylindrical inner wall 32 forming an opening 34 and a base wall 30 integral with the inner wall 32, and an outer wall 36 connected to the base wall 30 by an integral plastic hinge 38. The plastic hinge 38 forms the thinnest part of the outer wall 36. The outer wall 36 is formed by radially inward and outer inclined surfaces 40 and 42 as shown in the locked or detent positions of FIGS. 3 and 5, and at the end of the outer wall 36 away from the hinge 38. A rim portion 44 is formed. However, the outer wall 36 need not have parallel inner and outer surfaces, as shown in cross section, and can have any cross-sectional shape as appropriate. The thickness of the plastic hinge is determined according to the plastic material selected, taking into account the structure of commonly used plastic hinges. It can be about 7% to 10% of the width of the channel (in the radial direction of the coupling). The channel width can be about 3.8 mm and the thickness of the inner wall 32 can be about 1.5 mm. Adjacent to the hinge 38, the outer wall 36 has an inwardly inclined surface 46 and a step 48, the function of which will be described later. The face 46 can be positioned at an angle of about 13-17 ° relative to the rotational axis of the illustrated coupling, as shown in its locked position. However, for example, as shown in FIGS. 7 and 8, walls having other shapes can be formed. The angle of the surfaces 40, 42 with respect to the axis can be, for example, about 25-35 °, more preferably 30 °. The outer wall 36 shown in FIG. 3 has tabs 49A and 49B that are integral with or attached to the outer wall 36 at two positions, and the tabs 49A and 49B are provided at both ends of the diameter of the coupling member. It is preferable. The shape of these two tabs is best shown in FIG. 4, which is a top view of the coupling member, but details of the exact structure of the channel are omitted because they can be more easily understood from FIGS. ing. Each belt tab 49A, 49B consists of a thin flat tab made of plastic material, in which "T" shaped holes are formed. However, the holes can be formed in any convenient shape. The number of tabs does not have to be two, and it is not necessary to place the tabs at both ends of the diameter. The tabs can be placed in a desired position along the periphery of the outer wall 36 so that they can be gripped well and easily reversed.
[0018]
The cooperation between the first and second coupling members can be better understood with reference to FIGS. Starting from the unlocked position of FIG. 6, the outer wall 36 can be flipped with a finger in the direction of arrow B to the position shown in FIG. At that position, the surface 44A of the rim portion 44 is in contact with the upper surface 10A of the flange 10, and the surface of the rib 12 of the first coupling member abuts against the step 48 of the outer wall 36. As described above, since the material of the second coupling member has a certain degree of elasticity, the outer wall 36 surrounding the periphery of the second coupling member when in the detent or locked position shown in FIG. It does not move outward in the direction. The outer wall 36 must be deformed or stretched to some extent in order to move outward. Since the surface 18 and the step 48 positioned relative to it overlap, separation of both coupling members is normally prevented. However, if the interval C shown in FIG. 5 is provided as a tolerance for facilitating molding, it is possible to make a relative movement in the axial direction through this distance “C”. Accordingly, the wearer only needs to pull one or both of the belt tabs 49A, 49B when he wants to separate the two coupling members. It is preferable to pull only one belt tab. This is because by doing so, the outer wall 36 and the rib 12 begin to peel at one position on the circumference, and the coupling members can be separated. Once this peeling action begins, the outer wall 36 is inverted and opened due to its elasticity and deformability, and then the two coupling members can be easily pulled apart.
[0019]
The protruding amount of the surface 18 shown in FIG. 2 is about 40 to 50% of the thickness of the rib 12 in the embodiment shown in FIG. 2, and is about 10% in the embodiment shown in FIGS. However, this ratio can be varied within wide limits. For example, the protrusion (width) of the surface 18 is preferably at least 10% of the thickness of the rib 12 and can be set to about 2/3 of the thickness of the rib 12. By increasing the protruding width, both coupling members can be more reliably coupled.
[0020]
7 and 8 show another embodiment of the present invention. This embodiment is provided with an anti-tilt structure combined with an “inverted” wall 82 structure that can securely lock the two coupling members together. 7 and 8 each show a cross section of one end of the diameter. Each coupling member has a closed loop shape and surrounds the opening 60. The coupling member 62 is a body side member and has an annular wall 64 and an annular flange 66. A medical adhesive pad (not shown) is attached to the surface 66A of the flange 66 by an appropriate method. In use, this pad adheres around a small hole in the wearer's skin. The wall 64 and the flange 66 are preferably formed integrally with each other, and the coupling member 62 can be molded from a synthetic plastic material. As shown, a flexible and flexible annular sealing strip 68 is integral with and extends from the periphery of the wall 64. The strip 68 is provided to seal both the coupling members well. In this regard, reference may be made to British Patent 1,568,860.
[0021]
Further extending from the wall 64 is an annular rib 65. The rib 65 has tapered surfaces 65A and 65B connected by a curved surface 65C. The surface 65B terminates in a circumferential rim 65D (FIG. 8) that slightly protrudes from the outer surface of the wall 64. The purpose of the above structure can be better understood with reference to FIG. 7 that the rim 65D cooperates with a part of the other coupling member 80 to hold the two coupling members together. The sealing strip 68 is in pressure contact with the wall of the coupling member 80.
[0022]
This coupling is provided with a second coupling member which is essentially annular and forms a substantially U-shaped channel. 7 and 8 show the coupling member in section. The coupling member 80 has an inner wall 81, an outer wall 82, and a base wall 83. A prosthetic device bag is attached to the surface 83A of the base wall 83 by any general method. A protrusion 84 having tapered surfaces 84A and 84B connected by a curved surface is provided on the surface opposite to the surface 83A of the base wall. When the depth of the channel measured on the inner wall 81 is a distance d, the protrusion 84 extends from the base wall 83 at a distance substantially equal to half of the depth d. The taper surface 84 </ b> B of the protrusion 84 is combined with a surface 83 </ b> B that forms a part of the base wall 83. The outer wall 82 of the channel-shaped coupling member is connected to the base wall 83 by an integral plastic hinge 85. The outer wall 82 has a tapered shape as shown in the cross section, and has surfaces 82A and 82B. Step 82C is provided on the surface 82B. Step 82C engages the rim of wall 64, step 65D (FIG. 8), in the closed (locked) position of outer wall 82C to securely hold the two coupling members together. The width (the length in the radial direction) of steps 82C and 65D can be varied as desired, noting that it should not be so reduced as to detract from the reliable locking of both coupling members. To release the lock, as in the previous embodiment of the present invention, one belt tab is pulled to invert the outer wall 82 and move it to the position shown in FIG.
[0023]
Due to the engagement between the sealing strip 68 and the indentation 86 (FIG. 7) and the engagement in the above steps 65D and 82C, as well as the engagement between the projection 84 and the corresponding indentation in the wall 64, one coupling member is This results in a very reliable fit that shows a strong resistance against tilting and effectively prevents it. This advantage is achieved without incurring or increasing the costs associated with the manufacture of the component, and does not affect all the advantages of this common type of prosthetic coupling. .
[0024]
The present invention is not limited to the above-described embodiments, and can be implemented in various other modes. For example, the coupling member 62 already described may be a member on the bag side of the prosthetic device, and the coupling member 80 may be a member on the body side of the wearer. Certain different shapes can also be used for the flexible sealing strip 68, ribs 65 and protrusions 84. It is convenient to form the curved structure 65C and bend the tip of the protruding portion 84, but this is not essential. If desired, the tapered walls 65A and 65B are connected at the apexes (when viewed in cross section). You can also.
[0025]
9 to 13 will be described. 9-12 show a coupling member on the bag side of a prosthetic device according to a further embodiment of the present invention. It consists of a coupling member 90 which is circular in cross-section, similar to that shown in FIG. However, a person having ordinary knowledge in the technical field can also couple a colostomy device other than an ellipse or the like, and the present invention provides a coupling for a colostomy device that is geometrically circular. It will be understood that the invention is not limited to members. The female coupling member of the prosthetic appliance shown in FIGS. 9 to 12 can be generally formed from a synthetic plastic material such as ethylene vinyl acetate copolymer (EVA). One example of a suitable material is EVA grade UL00209 available from Esso. The male coupling member shown in FIG. 13 can be formed from low density polyethylene.
[0026]
The coupling member 90 shown in FIG. 9 has tabs 90A and 90B. The tabs 90A and 90B are provided to facilitate attachment of the belt, and by grasping either one, the wearer separates the two coupling members by peeling and inverting the outer wall as described above. Can do. The coupling member 90 has a radially outer wall 92 and a radially inner wall 94. The inner wall 94 surrounds the opening 98 at the center of the coupling member 90. A coupling member 90, such as a generally ring-shaped or annular channel, has a floor wall 96 that connects a radially inner wall 94 and an outer wall 92. The floor wall 96 has a surface 96A. On this surface 96A, a bag for a prosthetic appliance having an appropriate hole formed in one of its walls as an inlet for drained fluid drained by the wearer, such as adhesive, heat welding, high-frequency plastic welding, or other It can be attached by any suitable method. This bag entry hole (not shown) overlaps the opening 98, as is common in prosthetic appliance bags. The floor wall 96 has a surface 96 </ b> B on the base wall of the channel, and a plurality of indentations 100 are formed inside the floor wall 96. These indentations 100, which are presently preferred, are relatively shallow and flat at the bottom and are equally spaced around the coupling member. As best shown in FIG. 12, the indentation 100 is generally rectangular. In a preferred embodiment in this regard of the present invention, 24 such indentations are arranged around the ring at a 15 ° interval from center to center. The depth of each indentation is about 0.01 inches or about 0.254 millimeters. The remaining portion of the base wall surface 96B of the channel is substantially flat.
[0027]
The radially outer wall 92 is connected to the base wall or floor wall 96 by an integral plastic hinge 95, and has a protruding portion 110 protruding radially inward. The lower surface 112 of the projecting portion 110 is substantially flat, and is substantially located on a plane parallel to the planes of the surfaces 96A and 96B when the outer wall 92 is in the locked position. When the outer wall 92 is in the unlocked position, the two coupling members can be separated, and the outer wall 92 has the same position as the outer wall 82 shown in FIG. 8 and the outer wall 36 shown in FIG. The overhang 110 extends inwardly at a distance such that it covers about 11 to about 18%, preferably about 15% of the width of the channel. When the overhanging portion 110 is in the closed position shown in FIG. 11, the overhanging portion 110 has a surface formed by the shallow curved portion 114 that connects the surface 112 and the surface 92 </ b> A on the upper inner side.
[0028]
As shown in FIG. 11, the radially inner wall 94 has a height greater than the distance between the surfaces 112 and 96B.
[0029]
The overhang portions 110 are spaced at equal intervals along the inner periphery of the outer wall 92. The overhang portions 110 are preferably arranged at an interval of 45 ° from the center to the center. The distance that each overhanging portion extends in the circumferential direction is preferably about 18 to 22 ° with respect to the center of the circle when the coupling member of the prosthetic appliance is geometrically circular. Is defined to spread at an angle of about 20 °. The number, position, and angle of the overhang 110 can be changed. The overhang 110 can extend inside the outer wall 92 by a distance approximately equal to 1/5 to 1/7, preferably 1/6 of the width of the channel measured in the radial direction. This distance along which they extend inward, as well as the location, number and alignment of the overhangs 110, provides a coupling for a prosthetic device to which two coupling members are more securely attached. Even in this case, the “peel and invert” method described in detail above allows almost any person using a prosthetic coupling to easily separate the two coupling members.
[0030]
FIG. 13 shows a partial cross section of a coupling member 140 of a prosthetic appliance that is also ring-shaped or annular and is adapted to fit with the coupling member 90. In a preferred embodiment according to the present invention, the coupling member 140 is a wearer's body side coupling member. The coupling member 140 has a substantially flat flange 142 extending in the radial direction and a rib member 145 extending along the circumference, which are formed so as to be able to be fitted to the coupling member 90. The flange 142 has a surface 143 to which a pad (not shown) coated with a medical adhesive material is secured in a suitable manner. Suitable adhesive materials for this purpose and similar purposes in other embodiments of the present invention include, for example, US Pat. No. 3,339,546 to Chen, US U.S. Pat. No. 4,192,785, U.S. Pat. No. 4,393,080 to Pawelchak et al. And U.S. Pat. No. 4,551,490 to Doyle et al. Included in the above. A particularly suitable material is that sold under the registered trademark "STOMAHESIVE" by Bristol-Myers Squibb, Inc. having an address in Aickenham, Middlesex, England. Forming marking means on the free surface of the adhesive pad for medical purposes so that the wearer can easily cut the center of the pad by overlapping with the opening 144, as is usually the case with couplings for colostomy tools Can do. The rib member 145 includes a radially outer rim 147 and a radially inner flexible and flexible sealing strip 148. The purpose of the strip 148 is to ensure a sufficient seal between the two coupling members when the two coupling members are mated. The rim 147 has a step 146 disposed substantially parallel to the plane of the flange 142. Of course, an angle, preferably a small angle, relative to the plane of the flange 142 can instead be applied to step 146. When the two coupling members are connected to each other and the outer wall 92 is in the inverted closed position as in FIG. 7, the step 146 and the surface 112 are securely locked and the two coupling members are securely held together. Is done. At this time, since the sealing strip 148 is slightly bent and is elastically pressed against the surface 94A of the inner wall 94, both the coupling members are sufficiently sealed, and a small dimensional difference sometimes generated in the manufacturing stage is also absorbed. Is done.
[0031]
The description above was made with respect to the surface 112 disposed substantially parallel to the surfaces 96A, 96B. However, it is not essential to the present invention that the surface 112 is flat, and it is not essential to the present invention that the surface 112 is exactly parallel to the flat surfaces 96A, 96B.
[0032]
Although the coupling member 90 has been described herein as having 24 indentations 100 at equally spaced intervals, such indentations can be used in different numbers if desired.
[0033]
A person having ordinary knowledge in the design field of the coupling of the prosthetic device can make various changes and modifications without departing from the present invention. For example, as described above, the coupling members do not have to be exactly circular as long as they have shapes corresponding to each other and can be sufficiently adhered when they are joined together. Other variations may be made by those having ordinary knowledge in the art.
[Brief description of the drawings]
FIG. 1 is a plan view of a first coupling member of a coupling of a prosthetic appliance according to a first embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line AA of the first coupling member of FIG. 1 cut along an axial plane.
FIG. 3 is a cross-sectional view of a main part of a second coupling member of the coupling of the artificial anus instrument.
4 is a bottom view of the second coupling member of FIG. 3;
FIG. 5 is an enlarged cross-sectional view of a main part showing a state in which a first coupling member and a second coupling member are fitted and an outer wall 36 is in a closed position.
6 is an enlarged cross-sectional view of the main part similar to FIG. 5 showing a state in which the outer wall 36 is in the open position.
FIG. 7 is a cross-sectional view of the main part in the axial direction in a state in which the first coupling member and the second coupling member of the coupling of the prosthetic device according to the second embodiment of the present invention are mutually locked.
FIG. 8 is a cross-sectional view of the main part in the axial direction showing the unlocked state of the first coupling member and the second coupling member of FIG. The outer wall 82 is inverted and turned upward (initial position).
FIG. 9 is a bottom view of a coupling member (bag side) of a coupling of a prosthetic device according to a further embodiment of the present invention.
10 is a partial side view showing details of belt tabs 90A and 90B of the coupling member of FIG. 9. FIG.
11 is an enlarged sectional view taken along line II-II of the bag side coupling member of FIG.
12 is an enlarged partial bottom view showing a recess and a protruding portion of the coupling member of FIG. 9; FIG.
13 is an enlarged cross-sectional view of a main part of a male coupling member on the wearer side, which is fitted with the coupling member shown in FIGS. 9 to 12. FIG.
[Explanation of symbols]
10, 66, 142 Flange 10A Top surface of flange 10
12,65,145 ribs
14,68,148 sealing strip
16,44,65D, 147 Rim part
18 Flat surface
20,34,60,98,144 opening
30,83 Base wall 32,81,94 Inner wall
36,82,92 outer wall
38,85,95 plastic hinge
40 inner surface 42 outer surface
44A Surface of the rim portion 44 46 Inclined surface
48,82C, 146 steps
49A, 49B, 90A, 90B Tab
62,80,90,140 Coupling member
64 Wall 65A, 65B The surface of the rib 65
65C Curved surface 66A Flange 66 surface
82A, 82B Surface of outer wall 82 83A, 83B Surface of base wall 83
84 Projection 84A, 84B Surface of Projection 84
86,100 Recess 92A Surface of outer wall 92
94A Surface of inner wall 94 96 Floor wall
96A, 96B Floor wall 96 surface 110 Overhang
112 Lower surface 114 Curved portion
143 Face of flange 142

Claims (5)

First coupling member (62 , 140) and the second coupling member (80 , 90)
  The first coupling member (62 , 140) are then substantially cylindrical ribs (12 , 64 , 145) extending flange (10 , 66 , 142),
  The rib (12 , 64 , 145) is a flexible and flexible sealing strip (14) disposed radially inward of the ribs. , 68 , 148),
  The second coupling member (80 , 90) the first coupling member (62). , 140) sealing strip (14 , 68 , 148) and substantially annular wall (32) arranged to be surrounded by the sealing strip , 81 , 94) The base wall (30 , 83 , 96)
  Further, the second coupling member (80 , 90) is an integral plastic hinge (38). , 85 , 95) to the base wall (30 , 83 , 96) an outer wall (36) made of an elastically stretchable synthetic plastic material that is connected to 96) and can be reversed between two limited positions by the action of a finger. , 82 , 92),
  The outer wall (36 , 82 , 92) is the base wall (30) in its first or open position. , 83 , 96) extends substantially outside of the first coupling member (62) in its second or closed position. , 140) flange (10 , 66 , 142) and the radially outer wall, which is hermetically sealed. At least one grasping tab (49A) on the coupling member on the bag side for the prosthetic device. , 49B; 90A , 90. The coupling of a prosthetic appliance according to claim 1, wherein 90B) is provided. One of the coupling member cylindrical ribs (12 , 64 , 125) formed on the radially outer rim (16) , 65D , 147) and the outer wall (36 of the other coupling member) , 82 , 92) step (48) of the radially inner surface , The coupling of the prosthetic appliance according to claim 1 or 2, characterized in that there is a structure in which a detent or locking relationship exists between the joint and the terminal 82C). The second coupling member has a ring-shaped protrusion (84) extending in the axial direction from the inner surface of the base wall (83),
  The first coupling member has a recess corresponding to the protrusion (84) in the rib (64);
  2. The coupling member according to claim 1, wherein when the coupling members are fitted, the protrusions (84) are fitted into the recesses to prevent mutual inclination of the coupling members. Coupling of colostomy tool. One of the coupling members (90) is ring-shaped and includes radially inner and outer walls (94). , 92) and the channel wall formed by the floor wall (96) in cross section,
  The one coupling member (90) is
  (I) The floor wall (96) of the coupling member has a plurality of indentations (100) adjacent to the inner wall (94) inside the floor wall (96), the indentations (100) Are equally spaced around the channel,
  (Ii) The radially outer wall (92) has a plurality of shelf-like protrusions (110) protruding inward, and the protrusions (110) are arranged at equal intervals around the channel. A colostomy as claimed in any one of the preceding claims, characterized in that a part of the channel projects from the part of the outer wall that is sufficiently spaced from the floor wall (96) of the channel. Coupling of ingredients.

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