Bevelled foam

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/00 (2006.01) A61L 15/42 (2006.01)

Patent

CA 2622263

The invention relates to a foam dressing with a bevelled edge and where the density at the edge is higher than the density at the central part of the foam. The high density at the edges causes gel blocking of the wound exudate thereby preventing leakage of exudate through the edges. In a preferred embodiment the foam dressing is non-adhesive. The foam dressing may have a water-impervious backing layer, which extends all the way over the top of the dressing and down to the wound-contacting surface. The wound dressing is particularly useful in treatment of venous ulcers in connection with compression bandages, as the bevelling of the edges markedly reduces the indentations in the leg following use of this dressing when compared to a dressing with straight edges.

L'invention concerne un pansement en mousse comprenant des bords biseautés. Ce pansement se caractérise par le fait que la densité de la mousse au niveau des bords du pansement est supérieure à la densité de la mousse au niveau de la partie centrale du pansement. La densité supérieure de la mousse au niveau des bords du pansement permet de bloquer, par formation de gel, l'exsudat de la plaie, et, ainsi, d'éviter toute fuite d'exsudat au niveau des bords du pansement. Dans un mode de réalisation préféré, le pansement en mousse est un pansement non adhésif. Le pansement en mousse peut comprendre un support imperméable à l'eau qui recouvre la surface extérieure et la surface en contact avec la peau du pansement. Ce pansement est particulièrement utile dans le traitement d'ulcères veineuses à l'aide de pansements compressifs, car les bords biseautés du pansement permettent de réduire sensiblement l'empreinte dans la jambe par rapport à un pansement à bords droits.

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