1. A wound patch (2) for treating wounds in a moist or wet-wet environment, comprising a suction-washing body (4) based on a fibrous nonwoven material in which a superabsorbent material is distributed, the suction-washing body (4) being impregnated during the manufacturing process a saline-containing aqueous solution, in particular Ringer's solution, preferably until saturated, and forming a shell (6) forming the outer visible sides of the wound lining, while on the side of the suction-washing body (4) facing the wound can be provided anti-evaporation film layer (14), characterized in that the aqueous solution at pH values from 4 to 7.5 of a characteristic moist or wet-wet wound medium contains a cationic antimicrobial substance that is attracted by the negative groups of the anionic superabsorbent material, and thereby acts in an antimicrobial manner inside the suction-washing body (4), while the shell (6) on the side facing the wound is provided with an external partially structured coated coating (16) of a non-traumatic action Ia with a coverage of not more than 70% .2. The wound patch according to claim 1, characterized in that the cationic antimicrobial substance is a biguanide, in particular polyhexamethylene biguanide and its derivatives. The wound patch according to claim 1 or 2, characterized in that the concentration of the cationic antimicrobial agent in the aqueous solution is from 0.06 to 0.20 wt.%, Preferably from 0.08 to 0.15 wt.%, More preferably from 0.10 to 0.15 wt.%. 4. The wound pad according to claim 1 or 2, characterized in that during the test the suppression zone (growth
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