The invention relates to a medical tube, especially for use in vacuum therapy, preferably endoluminal vacuum therapy, wherein the tube comprises at least one tube body and a flock material. Furthermore, the invention relates to a process for producing a medical tube, comprising the steps: a) coating the surface of at least one tube body with an adhesive at least partially, especially partially or completely, and b) flocking the adhesive-coated tube body with a flock material, while the adhesive is moist, adhesive or sticky, or after activating the adhesive The invention further relates to a process for producing a medical tube, comprising the steps: a) at least partial transformation of at least one tube body into an adhesive or sticky state and b) flocking of the at least partially adhesive or sticky tube body with a flock material. In addition, the invention relates to a drainage system, especially in the form of a kit.