CPC A61K 9/7092 (2013.01) [A61F 13/00063 (2013.01); A61K 33/38 (2013.01); A61K 38/39 (2013.01); A61K 47/26 (2013.01); A61K 47/34 (2013.01); A61K 47/36 (2013.01)] | 5 Claims |
1. A dressing comprising:
a) a three-dimensional matrix comprising at least a first layer and a second layer of a fabric consisting of a polyethylene terephthalate (PET) fiber, wherein said first layer and said second layer are superimposed and welded together in at least two distinct and separate points, so as to define a space S between the first layer and the second layer; and
b) a composition consisting of hyaluronic acid and at least one excipient suitable for pharmaceutical use, wherein said composition b) is contained in at least a part of the space S between the first layer and the second layer;
wherein said dressing has dimensions of about 9×9 cm and contains 4.1±0.5 g of composition b) prepared starting from hyaluronic acid having a weight average molecular weight ranging from 150 to 250 kDa, wherein the total content of hyaluronic acid (HA) in the dressing is equal to 2 mg;
wherein said composition b) is present at least in part on the surfaces of the first layer and second layer that are external to the intermediate space S; and
wherein the fabric of the first layer and of the second layer is a monofilament fabric.
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