r alternately to the retractor handle 12 as shown in FIG. 8, allows a surgeon to guide the guide channel 22 of retractor 10, or hollow bore 32 of insert 30 directly, and thus avoid tracking the instruments themselves, such as a drill or tap 33. [0051] Referring now to FIG. 9, in yet a separate embodiment, retractor 10 includes a tool groove 70.