Patent ID: 7662157

Claim:
A driver for inserting a bone anchor into a bone, comprising: a tip portion having a first diameter, the tip portion comprising: a driver edge; an external surface; and a plurality of internal surfaces enclosing a driver recess, wherein the plurality of internal surfaces form a shape; an insert retained in the driver recess and configured to be positioned at least partially within a threaded protrusion recess of a protrusion of the bone anchor to provide a friction fit between the driver and the bone anchor during insertion of the bone anchor; a second portion adjacent the tip portion, the second portion having a second diameter, the second diameter greater than a first diameter such that a rim is formed where the tip portion meets the second portion; and wherein the tip portion is configured to be positioned around the protrusion of the bone anchor when the driver is used to insert the bone anchor into a bone, the driver edge configured to contact a shoulder of the bone anchor during insertion.