A wound care device having a covering device fixable to the skin surrounding a wound and used for producing a closed wound space containing the wound. At least sections of the covering device are water vapor-permeable. The covering device preferably comprises a tubular film and a suction port across which a negative pressure can be generated in the wound space. The tubular film preferably has an opening with an opening length of at least 80 cm and more preferably of at least 130 cm.