US 12,329,614 B2 · Tearable dressing structure

Abstract

A dressing or wound filler comprising a laminate structure of materials. In one example embodiment, a dressing may include a first layer comprising a first film, a second layer adjacent to the first layer and comprising a foam, and a third layer comprising a second film. The first layer and the second layer may further include a plurality of perforations or fenestrations. The third layer may include a plurality of raised features. The perforations or fenestrations of the first and second layers may be positioned or aligned with the raised features of the third layer so as to facilitate tearing of the dressing for sizing and application purposes. In some embodiments, the first layer may comprise a polyurethane film, the second layer may comprise a polyurethane foam, and the third layer may comprise an additional polyurethane film.

Claims18

Dependent claims

A dressing material, comprising:

a first layer comprising a first film of non-porous material having a plurality of openings;
a second layer adjacent to the first layer, the second layer comprising a manifold having a plurality of slits;
and
a third layer adjacent to the second layer and comprising a second film of non-porous material having raised features, wherein the second layer is positioned between the first layer and the third layer;
wherein at least some of the plurality of openings, some of the plurality of slits, and some of the raised features are aligned to define a tear line, and wherein the raised features are overlaid upon the plurality of openings and the plurality of slits such that the raised features are configured to be torn along the tear line.

2 more elements

Dependencies are inferred from the claim text.

Tearable dressing structure

Life of this patent

Tearable dressing structure

Life of this patent

Abstract

Claims18