The invention relates to a device for the negative pressure treatment of wounds comprising (a) a covering material for providing a wound space with an air-tight seal (b) optionally means for connecting a negative pressure source and (c) a wound dressing containing (c1) a nonwoven material which is wetted with (c2) an ointment base, and also a method for producing a corresponding wound dressing. In addition, the invention relates to the use of an nonwoven material, which is wetted with an ointment base, for application as a wound dressing in the negative pressure treatment of wounds.