The ornamental design for a wound dressing, as shown and described.
FIG. 1 is an isometric view of a wound dressing.
FIG. 2 a top side view of the wound dressing illustrated in FIG. 1.
FIG. 3 is a bottom side view of the wound dressing illustrated in FIG. 1.
FIG. 4 is a front side view of the wound dressing illustrated in FIG. 1, where a back side view is not illustrated as it is a mirror image of the front side view; and,
FIG. 5 is a left side view of the wound dressing illustrated in FIG. 1, where a right side view is not illustrated as it is a mirror image of the left side view.
In FIGS. 1 and 3-5 the broken lines illustrating an edge thickness of the wound dressing and a bottom layer of the wound dressing depict environmental subject matter only and form no part of the claimed design.
In FIGS. 1-2 and 4-5 the broken lines illustrating an absorbent pad of the wound dressing depict environmental subject matter only and form no part of the claimed design.