Wound therapy device for the treatment of wounds by means of negative pressure and fluid irrigation, includes a negative-pressure dressing, a pressure sensor which can generate pressure measurement values in order to determine the negative pressure present in the negative-pressure dressing, a drainage container for collecting liquid, and a drainage line by means of which liquid can be conveyed from the negative-pressure dressing into the drainage container. The device can further include a first pump unit for aspirating liquid from the wound space via the drainage line, an instillation container for making available an instillation fluid, an instillation line. Instillation fluid can be delivered from the instillation container into the wound space.
