An elongate stimulation assembly of an implantable stimulation device, including an intra-cochlear portion including an array of electrodes, and an extra-cochlear portion extending from the intra-cochlear portion, wherein the extra-cochlear portion includes a plurality of electrical lead wires in electrical communication with the array of electrodes and a malleable component extending in an elongate manner such that the malleable component is located further away from a longitudinal axis of the extra-cochlear portion than at least one of the electrical leads of the plurality of electrical leads.