A cochlear lead includes a plurality electrodes forming an electrode array configured to stimulate an auditory nerve from within a cochlea； a lead body connected to the electrode array； a plurality of wires passing through the lead body and connecting to the plurality of electrodes； an integrated wire carrier extending between an exit of the wires from the lead body and a first electrode in the electrode array, the integrated wire carrier comprising a cavity along its longitudinal axis configured to contain the plurality of wires and shape the plurality of wires into a wire bundle in which the plurality of wires passing through the integrated wire carrier are substantially parallel to the longitudinal axis of the integrated wire carrier； and a flexible body encapsulating the integrated wire carrier and the wires.
