Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
  • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
  • A61F5/445—Colostomy, ileostomy or urethrostomy devices
  • A61F5/448—Means for attaching bag to seal ring
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
  • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
  • A61F5/445—Colostomy, ileostomy or urethrostomy devices
  • A61F2005/4486—Colostomy, ileostomy or urethrostomy devices with operable locking ring

Definitions

• the invention relates to an ostomy appliance of the type
• two pieces comprising a support intended to be fixed to the skin of a patient, for example by gluing, and a collection bag which is placed in cooperation with the support by a connecting device.
• the invention relates to the general type in which the support and the collection bag each have a ring, and the rings are held against each other by a lateral closing device.
• a splicing device has a V-shaped internal split ring which overlaps two bevelled pieces and thereby prevents them from moving apart.
• the seal between the support and the bag is formed by a lip which moves against a cylindrical surface axis perpendicular to the connection plane.
• the overlap ring is formed in one piece and is a kind of elastic segment that can be held in the closed position by a retainer.
• EP-433 102 relates to a connecting device in which an outer member in the form of split ring delimits a rounded groove facing inwards; when the ring is tightened, its groove is applied laterally against a rounded portion of sealing by displacement in the connection plane.
• the split ring is held in the clamping position by moving an arm provided with teeth that cooperate with teeth of the split ring.
• US-5,026,360 discloses a connecting device having a V-shaped internal section ring which overlaps two bevelled pieces and thereby prevents them from moving apart.
• the ring is formed of two half-circle parts hinged to one another at one end.
• the seal between the support and the bag is made by a lip which moves against an edge of a cylindrical surface axis perpendicular to the connection plane.
• one of the half-circle portions of the overlap ring is integrally formed with the connecting portion of the holder or pocket, so that the fitting has only two pieces.
• the ends of the two semicircular portions of the ring opposite to their articulation are held in the closed position by a retaining device.
• the connecting devices all have disadvantages.
• the first two are complex and expensive.
• the first of the three aforementioned devices has a split ring of large width which gives significant rigidity.
• the device of the aforementioned second document requires a relatively large cage for guiding the split ring.
• the device of the third document ensures the sealing by insertion of a lip protruding from one ring into a cylindrical opening of the other ring, so that the tight cooperation requires the maintenance of the lip in a plane, and therefore rings rigid.
• all these achievements are relatively rigid and thick and are therefore not favorable to the user's comfort because of their lack of flexibility.
• devices of this type have advantageous properties. Thus, they allow a relative positioning of the two parts by a fixed element, so that a user is reassured about the reality of the cooperation of these two parties.
• these devices not only provide a positive snap, but also allow the confirmation of the cooperation to the user by the touch and by the noise created when snapping.
• the invention relates to a connecting device which retains the aforementioned advantageous properties of this type of "two-piece" apparatus, while avoiding the complexity of the known devices and giving a better comfort, thanks to the small thickness and the flexibility that can be so obtained.
• the invention relates to a device for connecting a pouch of an ostomy appliance to a support, which comprises a first part forming a continuous ring completely surrounding a waste passage, a second portion forming a continuous ring completely surrounding a waste passage, a seal, and a clamping device of the first part against the second part by application a steering force perpendicular to the connection plane.
• the first part has a first bearing surface disposed substantially in a connection plane
• the second part has a second bearing surface disposed substantially in the connection plane and in front of the first bearing surface.
• the seal is disposed substantially in the connection plane on one of the bearing surfaces facing the other of the bearing surfaces, so that it seals off the edges of the sur- bearing faces, and that it covers an angular range of 360 ° around the corresponding hole for passage of waste
• the clamping device comprises a fixed element integral with one of the first and second parts and intended to overlap a marginal portion of the other of the first and second parts in a first angular range, and at least one movable element in the connection plane substantially and intended to overlap a marginal portion of each of the first and second portions; of parts in a second angular range.
• the sum of all the angular ranges is substantially equal to 360 ° .
• the clamping device further comprises a member for retaining the movable element at least in an overlapping position.
• the retaining member comprises a fastening member of the movable element on one of the first and second parts.
• the movable element is at least one movable arm in the connection plane substantially, by rotation about a point near an end of the fixed element, the arm at least being movable between a overlap position in which the at least one fixed element and the at least one arm overlap substantially all of the angular range of 360 ° , and a position in which the arm at least does not interfere with the setting of the corresponding part in contact with the fixed element of the clamping device, and the arm at least and the marginal part of at least one of the two parts having inclined surfaces relative to the connection plane so that placing the arm at least in overlapping position by displacement in the connection plane causes the arm to apply at least a force directed perpendicularly to the connection plane to one of the two parts at least.
• the first angular range of overlap of the fixed element is between 30 and 120 ° .
• the first part and the at least one arm are molded in one piece with their articulation, so that the connecting device comprises only two parts, in addition to the seal.
• the device comprises two articulated arms at the ends of the fixed element.
• one of the two arms protrudes outwardly in the connection plane and can be pulled outwardly to disengage the retainer.
• the overlap in the 360 ° angular range can be partially interrupted at least at the joint of an arm.
• the first angular range of the fixed member of the clamping device is substantially 180 °
• the movable member of the clamping device is a ring rotatable about its center and having a portion overlap that covers the second angular range that is substantially equal to 180 ° .
• the clamping device of the first part against the second part by applying a steering force perpendicular to the connection plane acts by an end of the overlap portion of the movable member, the clamping force then being maintained by the rest of the overlap part.
• the movable member of the clamping device comprises at least one operating tab which protrudes radially outwards.
• the fixed element comprises maneuvering wings.
• the connecting portion has depressions delimiting diametrically opposed thinning to facilitate the diametral folding of the device.
• the seal is formed by overmoulding on the outer flange of the other connecting portion.
• the first angular range of the fixed member of the clamping device is substantially 180 °
• the movable member of the clamping device is a half-ring movable in radial translation in the plane. connection, forming an overlapping portion which covers the second angular range which is substantially equal to 180 ° .
• the half-ring forming the movable element in radial translation comprises two fingers tangentially extending each end of the half-ring and having an elongated guide slot of the movable element on one of the first and second parts.
• the device for clamping the first part against the second part by applying a steering force perpendicular to the connection plane acts by the ends of the overlap portion formed by the half-ring, the clamping force then being maintained by the rest of the overlap portion.
• the movable member of the clamping device comprises at least one operating tab which protrudes radially outwards.
• the seal is preferably disposed on the integral portion of the support.
• the portion intended to be secured to the pocket has, on the opposite side to the support surface, a continuous annular surface for fixing an impermeable plastic sheet.
• the portion intended to be integral with the support has, on the opposite side to the bearing surface, a continuous annular surface for fixing a rubber washer intended to be bonded to the skin of a human being.
• the invention also relates to ostomy appliances of the "two-piece" type, comprising a connecting device according to the preceding paragraphs, and advantageously used for colostomy, ileostomy and urostomy.
• FIG. 1 shows a connection device according to a first embodiment of FIG. embodiment of the invention, intended for a "two-piece” apparatus and comprising a complete support, but not including an impermeable sheet delimiting the pocket, so that the representation is clearer, a part being torn off so that the construction of the device appears clearly;
• Figure 2 is a perspective view of the support of a "two-piece” type apparatus comprising a portion of the connecting device according to the invention;
• Figure 3 shows in perspective the portion of the support connecting device shown in Figure 2;
• FIGS. 4 to 6 show the part of the connecting device which is integral with the pocket, FIG.
• FIG. 4 showing arms of this part in open form
• FIG. 5 showing the part facing towards the support in the closed position
• FIG. 6 showing the portion facing the pocket in the closed position
• Figure 7 shows how the ring of the pocket is close to the ring of the support when setting up an apparatus
• Figure 8 is a section corresponding to the torn part of the left of Figure 1 without rubber disc
• Figure 9 is a section corresponding to the teared part of the right of Figure 1 without rubber disc
• Figure 10 shows in perspective a connection device according to a second embodiment of the invention, in the closed position
• Figures 11 and 12 show both sides of the device of Figure 10
• Figures 13 and 14 show respectively the fixed part and the movable element of the device of Figure 10
• Figures 15 and 16 are diametrically opposed radial sections of the device of Figure 10;
• FIG. 11 and 12 show both sides of the device of Figure 10
• Figures 13 and 14 show respectively the fixed part and the movable element of the device of Figure 10
• Figures 15 and 16 are
• FIGS. 17 is a perspective view of a connection device according to a third embodiment of the invention, in the closed position;
• Figure 18 shows a portion and the movable member of the device of Figure 17 in the open position;
• FIGS. 19 to 21 show a variant of the embodiment of FIGS. 10 to 16.
• FIGS. 1 to 9 show various views of a connection device according to a first embodiment of the invention.
• FIG. 2 shows the support 10 of a "two-piece" apparatus according to the invention.
• the support 10 comprises a portion 12 of a connecting device according to the invention, attached to a washer 14 of rubber intended to be glued to the skin of a user, the adhesive face of the rubber washer 14 being protected by a removable protective paper 16.
• the rubber washer defines an orifice 18 for surrounding a stoma.
• the portion 12 of the connecting device is bowl-shaped and essentially constitutes a ring having a bearing surface substantially in a plane intended to be the connection plane of the connecting device.
• This bearing surface carries at its entire periphery a seal 20 which therefore forms a continuous sealed zone around the waste passage opening.
• the first part 12 of the connecting device is intended to cooperate with a second portion 22 secured to a pocket that can be separated from the support.
• FIG. 4 to 6 show in more detail the second part 22 of the connecting device.
• This second part 22 has an annular shape and comprises a fixed element 24 which covers an extended annular range, of the order of 120 " in the case considered.
• the fixed element 24 carries, at its ends, two arms 26 and 28 which The arms and the fixed element 24 are obtained in one piece by molding, with the remainder of the second part 22.
• an elastic finger 30 which can hook to a projection 32 of the other arm 26.
• the end of the finger 30 forms a projection 34 which can be hooked by the end of a finger of a user who wants to dismiss the finger 30 to open the two arms when held by the retaining device formed of the finger 30 and the projection 32.
• the side shown in Figures 4 and 5 is the one facing the support.
• This other side includes, as an extension of the fixed member 24, an annular portion 36.
• a continuous annular surface 360 is formed on the side of the pocket.
• An impervious sheet of plastic material of the pocket may be glued or welded to the entire ring 36 in a sealed manner.
• Figure 7 shows how the second integral connection portion of the pocket is approaching the support.
• the arms 26 and 28 being widely spaced apart, the bag is raised so that the second part of the connecting device is a little below the first part 12 and the lower edge of this part can come against the fixed element 24 in the position of Figure 8.
• the edge of the first portion 12 can be slid into the space defined by the fixed member 24; this space has a height less than the sum of the thickness of the first portion 12 and the seal 20 so that when the marginal portion of the member 12 is slid into the fixed member 24, the seal engages the inclined portion 38 of the fixed member. 24 and comes in the compressed state towards the bottom of the housing delimited in the fixed element 24.
• only the angular range of about 120 " introduced into the fixed element 24 is held because the arms 26 and 28 are widely spread.
• the user only has to close the arms to engage the finger 30 and the projection 32, the support and the pocket then cooperating in a sealed manner.
• first embodiment 1 wherein the fixed element and each of the arms cover a corner-lar range of about 120 °.
• the fixed member may have a substantially zero dimension, the joints of the two arms being adjacent, and each arm spanning about 180 ".
• An important feature of this first embodiment of the invention is that the second part, comprising the pocket attachment ring 36 and the two arms, can be molded in one piece, so that the complexity of the connection is reduced since it consists of only two elements.
• FIG. 10 shows the general appearance of the connecting device which comprises, on the bag side, a connecting part 40 and a movable element 54, and, on the support side, another connecting part 48.
• the connecting portion 40 shown in FIG. 13, has an annular shape around a hole 42, having a flat portion 44 and an inwardly opening groove portion 46, shown in FIG. movable element 54, shown in FIG. 14, forms a continuous ring which comprises a flat portion 55 and a throat-shaped portion 56.
• One end of the portion 56 carries a hook 58, and both ends have an operating lug 60 .
• the movable member 54 is rotatable about one-half turn substantially relative to the portion 40, the groove-shaped portion 46 being receivable in the groove portion 56.
• the portion 40 and the movable member 54 are held in cooperation during their rotation by a lip 59 and tabs 61 ( Figures 10 and 11) carried by the portion 40 so that they do not separate.
• the connection portion 48 (FIG. 15) on the support side has an annular shape around a hole 49; it is not shown in separate form, but is similar to the portion 12 shown in Figure 3.
• Its outer flange 50 carries a seal 52 similar to the seal 20, but preferably having a central lip to be in position. contact with the surface of the flat portion 44 of the other connecting portion. In the connection position shown in FIG.
• the groove-shaped portions 46 and 56 are offset by 180 " , so that together they define a continuous groove all around the circumference, to accommodate the flange 50 of the part. 48 and the flat portion 44 of the portion 40.
• This arrangement appears in Figures 15 and 16.
• This connection position is maintained by the hook 58 which cooperates with a complementary member 43 of the portion 40.
• the groove portions 46 and 56 are housed one in the other 180 ", so that they leave a sector of 180" for the introduction of the edge of the flange 50 of the part 48
• the movable member 54 is rotated by means of an operating lug. and gradually overlaps the flange 50 and the porti it is flat 44 by approaching them with crushing of the seal 52 until the hook 58 is engaged.
• connection device can therefore be flexible, this flexibility can be increased by local thinning in the radial direction.
• the groove formed in the portion 56 has a width which decreases for a short distance inwards and remains constant thereafter.
• the seal as it penetrates, as and when the movable portion 54 rotates, in the groove portion 56, can easily engage, before being tight between the walls of the throat.
• This progressive compression of the seal facilitates obtaining a good seal.
• the strength of this compression is further enhanced by a thickening 47 over a short distance from the flat portion 44, complementary to the decrease in width of the groove.
• Figures 17 and 18 show, in perspective and in side elevation, the general appearance of a connection device according to a third embodiment of the invention.
• the movable element 54 in the form of a ring delimiting a groove on 180 * is replaced by a half-ring 64 also delimiting a groove on 180 "and movable in radial translation with respect to a portion of similar connection to part 40 of the second embodiment in that it has a groove portion 46 'similar to that of the second embodiment.
• the ends of the groove portion 46 ' are each provided with a shaft 62 of radial orientation.
• the half-ring 64 comprises two fingers 66 extending tangentially each end of the half-ring 64 and having an elongate slot 68 for guiding the movable element on the pins 62. In this way, the half-ring can be displaced in radial translation. by means of an operating bracket 68, between an open position indicated in FIG. 18, in which the half-ring can pivot about the axes 52 so as to deviate from the connection plane, and a position of overlap shown in Fig. 17, wherein the half-ring 64 overlaps the edges of the two connecting portions in a manner similar to the representation of Fig. 15.
• FIGS. 19 to 21 show a variant of the embodiment of FIGS. 10 to 16. Identical references to those of this embodiment have been used to designate analogous parts, followed by the sign ". The variant of FIGS. various improvements useful for the user. Maneuvering wings 70 protrude from the groove portion 46 "and are intended to facilitate the holding of this portion 46".
• Holes 72 delimit diametrically opposed thinning of the connecting portion 40 "allowing the device to be folded along the X-X axis to facilitate
• the seal 52 is held on the outer flange 50" of the other connecting portion 48 "by passing the seal material 74 in holes in the flange 50".
• the seal is then formed on the flange 50 "by overmolding.
• An operating lug 60 is replaced by an operating lug 76 which facilitates the opening of the locking hook 58.
• An essential feature of the invention is the fact that the seal is obtained by a tight seal between two flat parts made of by the bearing surfaces of the two parts of the connecting device The tightness thus obtained is very efficient The necessary clamping force is obtained by transforming the force exerted by the movable element of each embodiment.
• connection plane by pivoting, rotation or translation, in a force perpendicular to the connection plane, the advantage of this transformation is that it allows the user to obtain the tightening of the first and second parts, against the other without having to exert a direct force perpendicular to the connection plane, since this direct force perpendicular to the connection plane would necessarily be transmitted on the stoma below the support and cause discomfort and even pain, especially in the immediate postoperative period.

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• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• Nursing (AREA)
• Orthopedic Medicine & Surgery (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Vascular Medicine (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Orthopedics, Nursing, And Contraception (AREA)

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• 2005
  • 2005-04-21 FR FR0504013A patent/FR2884707B1/fr active Active
• 2006
  • 2006-04-14 EP EP06743698A patent/EP1904007A1/de not_active Withdrawn
  • 2006-04-14 WO PCT/FR2006/000825 patent/WO2006111644A1/fr not_active Application Discontinuation

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