Abstract: The invention provides an ostomy bag assembly comprising outer (2) and inner (4) bags secured to one side of an adhesive flange (6); the adhesive flange (6) having means defining an orifice to enable bodily waste from a stomal opening to be received by the inner bag; wherein the adhesive flange is of laminar construction and comprises, in sequence, from a body-contacting surface outwards: (a) a bioadhesive layer (10) for securing the flange to a body surface of a patient about the stomal opening; (b) a first polymeric support layer (8) attached to the bioadhesive layer (a); (c) a heat sealable layer (16) having a heat sealable adhesive surface which releasably bonds the heat sealable layer to the first polymeric support surface; (d) a second polymeric support layer (14) bonded to the heat sealable layer; (e) a weldable polymeric layer (18) to which the inner and outer bags are attached, the weldable polymeric layer being bonded to the second polymeric support layer; the adhesive flange having an annular cha

Abstract: The invention provides a drainage bag assembly for receiving bodily waste; the drainage bag assembly comprising outer (6) and inner (12) bags secured to one side of a flange (2), the flange (2) being provided with means defining an orifice to 5 enable bodily waste to be received by the inner bag (12), and the flange (2) having connected to an opposite side thereof means for securing the drainage bag assembly to the body of a patient; the outer bag (6) being detachably secured by means of a peelable but non-repositionable adhesive to a first attachment zone (4) on the flange and the inner bag being detachably secured by means of a peelable adhesive to a 0 second attachment zone (16) on the flange, wherein the first attachment zone (4) surrounds the second attachment zone (16) and is non-overlapping therewith; and the second attachment zone (16) surrounds the means defining the orifice; and wherein the outer bag (6) can be removed or opened to permit access to the interior thereof and removal of the inner bag (

Abstract: The invention provides an ostomy bag assembly including an outer bag and an inner bag secured to one side of a flange. The inner bag is removable to facilitate disposal. The flange has a polymeric backing film and a layer of bioadhesive for securing the ostomy bag assembly to the body of a patient. The flange includes an orifice to enable bodily waste to be received by the inner bag. The outer bag is detachably bonded to a first attachment zone on the flange and the inner bag is secured to a second attachment zone on the flange. The outer bag is mounted to the flange by an annular bonding element is formed from a multilayer polymeric material comprising first and second ethylene vinyl acetate layers and a polymeric support layer interposed there between. A method of fabricating ostomy bags is also provided.

Abstract: The invention provides an ostomy bag assembly including an outer bag and an inner bag secured to one side of a flange. The inner bag is removable to facilitate disposal. The flange has a polymeric backing film and a layer of bioadhesive for securing the ostomy bag assembly to the body of a patient. The flange includes an orifice to enable bodily waste to be received by the inner bag. The outer bag is detachably bonded to a first attachment zone on the flange and the inner bag is secured to a second attachment zone on the flange. The outer bag is mounted to the flange by an annular bonding element is formed from a multilayer polymeric material comprising first and second ethylene vinyl acetate layers and a polymeric support layer interposed there between. A method of fabricating ostomy bags is also provided.

Abstract: The invention provides an ostomy bag assembly including an outer bag and an inner bag secured to one side of a flange. The inner bag is removable to facilitate disposal. The flange has a polymeric backing film and a layer of bioadhesive for securing the ostomy bag assembly to the body of a patient. The flange includes an orifice to enable bodily waste to be received by the inner bag. The outer bag is detachably bonded to a first attachment zone on the flange and the inner bag is secured to a second attachment zone on the flange. The outer bag is mounted to the flange by an annular bonding element is formed from a multilayer polymeric material comprising first and second ethylene vinyl acetate layers and a polymeric support layer interposed there between. A method of fabricating ostomy bags is also provided.

Abstract: The invention provides a drainage bag assembly for receiving bodily waste; the drainage bag assembly comprising outer (6) and inner (12) bags secured to one side of a flange (2), the flange (2) being provided with means defining an orifice to enable bodily waste to be received by the inner bag (12), and the flange (2) having connected to an opposite side thereof means for securing the drainage bag assembly to the body of a patient; the outer bag (6) being detachably secured by means of a peelable but non-repositionable adhesive to a first attachment zone (4) on the flange and the inner bag being detachably secured by means of a peelable adhesive to a second attachment zone (16) on the flange, wherein the first attachment zone (4) surrounds the second attachment zone (16) and is non-overlapping therewith; and the second attachment zone (16) surrounds the means defining the orifice; and wherein the outer bag (6) can be removed or opened to permit access to the interior thereof and removal of the inner bag (12).

Abstract: The invention provides an ostomy bag assembly including an outer bag and an inner bag secured to one side of a flange. The inner bag is removable to facilitate disposal. The flange has a polymeric backing film and a layer of bioadhesive for securing the ostomy bag assembly to the body of a patient. The flange includes an orifice to enable bodily waste to be received by the inner bag. The outer bag is detachably bonded to a first attachment zone on the flange and the inner bag is secured to a second attachment zone on the flange. The outer bag is mounted to the flange by an annular bonding element is formed from a multilayer polymeric material comprising first and second ethylene vinyl acetate layers and a polymeric support layer interposed there between. A method of fabricating ostomy bags is also provided.

Abstract: An odor adsorbing or deodorizing filter which comprises a matrix or substrate impregnated with a mixture of particulate chemically modified activated carbon and particulate activated carbon, together with a binder. The filter may be incorporated into an ostomy collection bag, wound dressing, respirator, air conditioning unit or the like.

Abstract: The invention provides a deformable pad (1) for removably securing an ostomy bag to the skin of a patient consisting essentially of a plastics film bonded to an adhesive material (3); the pad having an opening (7) for receiving stomal waste, the opening (7) being surrounded by a pliable unreinforced convex formation on a bodyside face of the pad.

Abstract: The invention provides a biodegradable, flushable ostomy bag liner including: inner walls (3, 4) formed from polyvinylacetate/polyvinylalcohol film of a grade which disintegrates within 60 seconds in water at 50.degree. C., but retains its structural integrity in water at 25.degree. C. for at least two days; outer walls (1, 2) formed from a non-woven fabric which disintegrates in water at 25.degree. C.; structure defining an opening (8) in the inner and outer walls for receiving bodily waste from the stoma of a patient; and adhesive flange (7) for securing the ostomy bag liner to the body wall of a patient, the adhesive flange (7) being secured to at least an inner wall (1) of the liner and surrounding the said opening (8); wherein the inner and outer walls (1, 2, 3, 4) are unconnected and form an non-laminar arrangement over the greater part of their area, but are connected together around their peripheral margins (5) and in the region of the adhesive flange (7).

Abstract: A filter assembly for filtering air that is to be breathed through a tracheostoma comprises (a) a housing, and (b) a filter component which can be fitted into the housing the filter component is movable within the housing as a result of a pressure difference across the component due to breathing, between an inhalation position, and an exhalation position resulting in a change in resistance to breathing through the assembly.

Abstract: The invention provides a drainage bag, such as an ostomy bag or like drainage bag, for receiving bodily waste, the drainage bag having a wall portion (1) formed of a water-softenable or hot-water-soluble first film material, the wall portion (1) having an opening (4) therein for receiving the bodily waste or bodily fluid; a water-impermeable, water-insoluble polymeric film material (7) being adhered to the outer surface of the said wall portion (1) so as to surround said opening, the water-impermeable, water-insoluble layer (7) being adhered to the said wall portion by means of a cyanoacrylate layer (6) interposed therebetween; and the outer surface of the water-impermeable, water-insoluble layer (7) having secured thereto an adhesive flange (5) for securing the drainage bag to the body wall of a patient.

Abstract: The invention provides a drainage bag for receiving bodily waste, the drainage bag comprises a water-impermeable inner bag (1) enclosed therein; means (6, 7) defining an orifice to enable bodily waste to be received by the inner bag (1); the outer (2) and inner (1) bags being detachably secured together in the region of the orifice (6, 7). A first opening (15) is provided in a wall (4a) of the water-impermeable inner bag, said first opening (15) being covered by a portion (16) of gas-permeable hydrophobic foam material; and a second opening (18) is provided in a wall of the water-impermeable outer bag (2), the second opening (15) being covered by a flatus filter (19); the disposition of the first (15) and second (18) openings being such as to allow flatus gases within the inner bag (1) to pass out through the first opening (15) and thence through the second opening (18) to atmosphere.

Abstract: A device for filtering air that is to be breathed through a tracheostoma, to simulate the role of the nose particularly in patients who have received a tracheostomy comprises a filter (20). The filter comprises a pre-filter (21) formed from electrostatically charged fibers, a first layer (22) formed from activated carbon and a second layer (23) a hydrophilic material such as one that is based on regenerated cellulose material. The filter includes a layer of adhesive by which it can be held in place when in use, and a cover layer (24) on its exposed surface.

Abstract: Liquid detergent compositions are provided containing a modified protein of pI > pH6 and a mixture of alkyl benzene sulphonate and auxiliary surfactants in which the ratio of alkyl benzene sulphonate to the auxiliary surfactant is greater than 1.5:1. The compositions show enhanced mildness to skin relative to detergent compositions in which the surfactants are at lower ratios.