A tubular element for introduction into a blood vessel of a person, the tubular element comprising an end opening and a plurality of side openings as well as a transport wire extending from inside the tubular element and to the surroundings thereof through an individual side opening, the transport wire having a sufficient length to have the ends thereof extend to the outside of a person while the tubular element is positioned within a blood vessel of the person. In this manner, a re-routing of the wires may be performed including an attachment of a wire end outside of the person.
