Grooved hydrocolloidal dressing
AssigneeColoplast A/S
InventorPeter B. Samuelsen
Life of this patent
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Abstract
A skin-friendly dressing which has a high moisture absorbing capacity, a high degree of flexibility and good integrity. The dressing includes a moisture-absorbing adhesive sheet to be adhered to the skin and mucous membranes, with a layer of water swellable colloid which is dispersed in or mixed with a water insoluble viscous elastomer binder and, if desired, usual auxiliary materials. The adhesive sheet at one outwardly directed surface is firmly connected to a non-adhesive water impervious cover layer, and at the other, against-the-skin or mucous-membrane directed surface of the adhesive sheet, a removable protecting sheet. The adhesive sheet is provided with one or several grooves or ditches that fully or partly surround a central part of the adhesive sheet.
Claims14
A dressing having a skin-friendly moisture absorbing sheet adhering to skin and mucous membranes, the dressing comprising:
- a layer of a water swellable colloid which is dispersed in or mixed with a water insoluble viscous elastomer binder, the layer having a central part, a distal, having a contour formed therein that at least partially surrounds the central part of the layer, and an opposing proximal surface;
- a non-adhesive cover layer disposed on the distal surface and following the contour of the at least one groove, the cover layer being water impervious;
- and
- a removable protecting sheet, disposed on the proximal surface.
Dependencies are inferred from the claim text.