Patent ID: 8571685

Claim:
A stimulation lead for applying electrical pulses to tissue of a patient, comprising: an elongated lead body having a distal end and a proximate end; at least one conductor within the lead body; at least one electrode at the distal end of the lead body, the at least one electrode circumscribing the lead body; an insulative member disposed over the at least one electrode, the insulative member having an opening such that the opening exposes a limited angular range of the at least one electrode; and a marking structure for determining an angular orientation of the lead body, the marking structure disposed to at least partially circumscribe the lead body, wherein the marking structure comprises a radio-opaque portion such that an edge of the marking structure between the radio-opaque portion and a non-radio-opaque portion is substantially aligned with a mid-line of the exposed angular range of the at least one electrode.