Grade III avulsion fracture repair on the UCL of the proximal joint of the thumb.

A technique is presented for repair of grade III avulsion fractures of the ulnar collateral ligament when the bony avulsion fragment in the thumb is too small or too comminuted to allow simple repair. The case presented demonstrates that a single suture-to-bone anchor can provide secure ligament fixation without the need for external pull-out wires or buttons and can make possible an early return to activity.