Endosteal fixation of a ligament graft with a bioabsorbable interference
screw installed in a retrograde manner in ACL reconstruction. The
bioabsorbable interference screw is insert-molded with a length of suture
extending from the distal tip of the screw for pulling the interference
screw into the joint and into position for retrograde insertion at the
top of the tibial tunnel. The interference screw has a cannulation
extending partially through the screw from the leading tip. The
cannulation is shaped to receive a correspondingly shaped driver. The
driver is inserted into the tibial tunnel to engage the screw. By turning
the driver, the interference screw is turned into the tibial tunnel in a
retrograde manner. Accordingly, interference fixation of the graft near
the tibial plateau is provided, thereby eliminating graft abrasion at the
tibial plateau tunnel opening.