Electrode assembly

The invention relates to an intravascular electrode assembly 10 comprising a first and a second for the placement of blood vessels such as veins or arteries adapted electrode lead 12, 14, with at least one stimulation and / or sensing electrode in the region of the distal end of the respective electrode line, wherein on the outside of the first electrode line 12, 12 ', 12' ', 12' '' mounted longitudinal guides 18, 18 ', 18' ', 18' '' for the second electrode line 14 ...