US Patent 8470037 Method and apparatus for reconstructing a ligament

A system for reconstructing a ligament by fixing at least one graft ligament strand in a bone tunnel is provided. The system a retainer configured for disposition in the bone tunnel, the retainer including a crosshole for receiving a locking pin and a mounting shoulder formed about the crosshole, and a cap removably attached to the retainer for capturing the at least one graft ligament strand by compressing the at least one graft ligament strand between the cap and the retainer, wherein the cap includes at least one locking member configured to engage the mounting shoulder of the retainer to facilitate gripping of the at least one graft ligament strand between the cap and the retainer.