A retractor for implanting a lead of an electrical stimulation system includes multiple retractor teeth defining an implantation lumen multiple pin arrangements that each include a base coupled to one of the retractor teeth and at least one pin extending from the base a spiral track having multiple spiral indentations and multiple spiral ridges separating the spiral indentations with at least one pin of each of the pin arrangements engaging one of the spiral indentations of the spiral track and a handle coupled to the spiral track to rotate the spiral track. The retractor is configured and arranged to radially move the retractor teeth as the spiral track is rotated.
