US 2026/0199585 A1 · A NEGATIVE PRESSURE WOUND THERAPY (NPWT) DRESSING

Abstract

Described is a negative pressure wound therapy (NPWT) dressing configured to be connected to a negative pressure source; the NPWT dressing includes, from top-to-bottom, a backing layer, a liquid spreading layer, an absorbent pad comprising one or a plurality of pad-forming layers, a spacer fabric layer, and an adhesive skin contact layer; the backing layer and the adhesive skin contact layer being arranged to extend beyond the contour of the liquid spreading layer, the absorbent pad and the spacer fabric layer to form a border portion, wherein the spacer fabric layer comprises a top layer, a bottom layer and an interconnecting layer arranged between the top layer and the bottom layer; the interconnecting layer comprising a plurality of pile filaments extending between the top layer and the bottom layer, wherein the top layer of the spacer fabric layer is defined by peripheral edges, and wherein at least one of the liquid spreading layer and said pad-forming layer(s) of the absorbent pad is arranged to overlap the peripheral edges of the top layer of the spacer fabric layer.

Claims18

Dependent claims

A negative pressure wound therapy (NPWT) dressing configured to be connected to a negative pressure source;

said NPWT dressing comprising, from top-to-bottom, a backing layer, a liquid spreading layer, an absorbent pad comprising one or a plurality of pad-forming layers, a spacer fabric layer, and an adhesive skin contact layer;
said backing layer and said adhesive skin contact layer being arranged to extend beyond the contour of said liquid spreading layer, said absorbent pad and said spacer fabric layer to form a border portion, wherein said spacer fabric layer comprises a top layer, a bottom layer and an interconnecting layer arranged between said top layer and said bottom layer;
said interconnecting layer comprising a plurality of pile filaments extending between said top layer and said bottom layer, wherein said top layer of said spacer fabric layer is defined by peripheral edges, and wherein at least one of said liquid spreading layer and said pad-forming layer(s) of said absorbent pad is arranged to overlap said peripheral edges of said top layer of said spacer fabric layer.

A method for manufacturing a negative pressure wound therapy dressing, wherein said method comprises:

a) providing a backing layer,
b) arranging a liquid spreading layer in contact with said backing layer,
c) arranging an absorbent pad comprising one or a plurality of pad-forming layers in contact with said liquid spreading layer,
d) arranging a spacer fabric layer in contact with said absorbent pad, wherein said spacer fabric layer comprises a top layer, a bottom layer and an interconnecting layer arranged between said top layer and said bottom layer;
said interconnecting layer comprising a plurality of pile filaments extending between said top layer and said bottom layer, wherein said top layer of said spacer fabric layer is defined by peripheral edges,
e) arranging an adhesive skin contact layer in contact with said spacer fabric layer, wherein said adhesive skin contact layer and said backing layer are arranged to extend beyond the contour of said liquid spreading layer, said absorbent pad and said spacer fabric layer to form a border portion, and
wherein at least one of said liquid spreading layer and said pad-forming layer(s) of said absorbent pad is arranged to overlap said peripheral edges of said top layer of said spacer fabric layer.

4 more elements

Dependencies are inferred from the claim text.

A negative pressure wound therapy (npwt) dressing

Life of this patent

A negative pressure wound therapy (npwt) dressing

Life of this patent

Abstract

Claims18