초록 ▼

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

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.

대표청구항 ▼

1. A deformable pad for removably securing an ostomy bag to the skin of a patient comprising a plastics film bonded to an adhesive material having incorporated therein a fabric, and an opening for receiving stomal waste, wherein the opening is surrounded by one of (i) a pliable unreinforced convex f

1. A deformable pad for removably securing an ostomy bag to the skin of a patient comprising a plastics film bonded to an adhesive material having incorporated therein a fabric, and an opening for receiving stomal waste, wherein the opening is surrounded by one of (i) a pliable unreinforced convex formation on a bodyside face of the pad and (ii) a hollow frustoconical ring extending outwardly from a bodyside face of the pad.2. A deformable pad as claimed in claim 1 wherein the adhesive material comprises a hydrocolloid composition or a hydrogel adhesive.3. A deformable pad as claimed in claim 2 wherein the adhesive material comprises a hydrogel adhesive wherein the hydrogel adhesive comprises an adhesive water-swellable polymer.4. A deformable pad as claimed in claim 3 wherein the hydrogel adhesive is formed of a polymeric cross-linked material.5. A deformable pad as claimed in claim 4 wherein the adhesive material comprises a hydrocolloid composition wherein the hydrocolloid composition comprises gel-forming natural and modified polysaccharides in combination with polymers based on styrene, isoprene or isobutylene.6. A deformable pad as claimed in claim 1 wherein the plastics film is less than 0.2 mm in thickness.7. A deformable pad as claimed in claim 1 wherein the plastics film is a woven or non-woven plastics material.8. A deformable pad as claimed in claim 1 which is of substantially uniform thickness.9. A deformable pad as claimed in claim 1 wherein the side of the deformable pad opposite to the bodyside surface is bonded to a backing layer.10. A deformable pad as claimed in claim 9 wherein the backing layer is formed of a water-vapour permeable material.11. A deformable pad as claimed in claim 10 wherein the backing layer is formed of a non-woven or spun-bonded material comprising polyethylene.12. A deformable pad as claimed in claim 10 wherein the backing layer extends radially beyond the adhesive material.13. A deformable pad as claimed in claim 12 wherein the backing layer is provided with an adhesive to enable it in use, to adhere to and form a seal against the skin of a patient radially outwardly of the deformable pad.14. A deformable pad as claimed in claim 13 wherein the adhesive extends around the periphery of the backing layer and/or is interposed between the deformable pad and the backing layer to bond the adhesive material thereto.15. A deformable pad as claimed in claim 10 wherein the backing layer is secured to an ostomy bag.16. A deformable pad as claimed in claim 15 wherein the ostomy bag is secured by adhesive bonding or welding.17. A deformable pad as claimed in claim 1 wherein the bodyside surface of the adhesive material is covered or coverable with a release liner.18. A deformable pad as claimed in claim 17 wherein the release liner is made of a moulded plastics film.19. A deformable pad as claimed in claim 17 wherein the liner is coated with a silicone on one or both sides thereof.20. A deformable pad as claimed in claim 17 wherein the release liner conforms to the shape of the bodyside surface of the adhesive material.21. A deformable pad as claimed in claim 20 wherein the release liner is pre-formed.22. A deformable pad according to claim 21 wherein the release liner is formed together with the plastics film and the adhesive layer.23. A deformable pad according to claim 1, the deformable pad consisting essentially of a plastics film bonded to an adhesive material; the adhesive material being covered by a release layer, the deformable pad having means defining an opening for receiving stomal waste, the means defining said opening being surrounded by a pliable unreinforced convex formation on a bodyside face of the pad; the deformable pad having been formed by moulding a laminate comprising the plastics film, adhesive material and release liner.24. An ostomy bag comprising a deformable pad for removably securing the bag to the skin of a patient about a stomal opening, the deformable pad being as claimed in claim 1.25. An ostomy bag as claimed in claim 24 which is either a one-piece or two-piece ostomy bag.26. An ostomy bag as claimed in claim 25 which is a two piece ostomy bag and wherein the two-piece ostomy bag comprises a two-part coupling having bodyside and bagside elements, the deformable pad being bonded to the bodyside element.27. A method for producing a deformable pad, as claimed in claim 1, the method comprising the steps of:(a) providing a layer of plastics film, or a precursor thereof, and a layer of adhesive material; (b) shaping the layers of material into a required configuration; and, (c) bonding the layers together, where they have not already been thus bonded. 28. A method for producing a deformable pad as claimed in claim 27 wherein the precursor of the plastics film is a woven or non-woven material which forms a film on heating.29. A method for producing a deformable pad as claimed in claim 27 wherein the layers are shaped and bonded together simultaneously.30. A method for producing a deformable pad as claimed in claim 27 wherein the layers are shaped and bonded by thermo-forming or vacuum-forming the layers.31. A method for producing a deformable pad as claimed in claim 27 wherein the layers are shaped and bonded with a release liner.32. A method for producing a deformable pad as claimed in claim 31 wherein the release liner is pre-formed.33. A method for producing a deformable pad as claimed in claim 27 wherein the convex formation or frustoconical ring is formed by deforming a combination of a layer of thin plastics film and adhesive material in a suitably shaped mould.34. A method for producing a deformable pad as claimed in claim 33 wherein the layers are moulded by thermo-forming in a one or two stage process.35. A method for producing a deformable pad as claimed in claim 34 wherein the layers are moulded by thermo-forming in a two-stage process wherein the layer are initially cold-formed to form the required shape and then thermally treated to bond the layers together.