Surgical fixation system and related methods

A system for fixing a first bone segment to a second bone segment, comprising:

• an implant having a fixation aperture;
• and
• a fixation member, including:
• a head region,
• an elongate body having a pointed distal tip opposite the head region, and
• at least one blade extending along a length of the elongate body
• wherein the head region of the fixation member
• includes:
• an upper housing portion, including:
• an interior chamber extending through the upper housing portion along a central axis of the fixation member,
• a plurality of cutouts spaced about the interior chamber,
• a plurality of tracks spaced about the interior chamber and adjacent the plurality of cutouts,
• a plurality of wings within the interior chamber and adjacent the plurality of tracks about the central axis, and
• an undercut region within the interior chamber and above the plurality of tracks;
• a plurality of locks disposed within the plurality of tracks;
• a locking mechanism disposed within the interior chamber of the upper housing portion;
• and
• a bottom portion
• wherein the fixation aperture includes a first pocket,
• and a second pocket, wherein the bottom portion of the head region is configured to mate with the first pocket,
• wherein the plurality of locks are configured to move radially outward from a first position within the upper housing portion to a second
• position extending from the upper housing portion,
• wherein each of the plurality of locks includes:
• an inner lock face configured to engage the locking mechanism,
• an outer lock face opposite the inner lock face, the outer lock face having a chamfered bottom surface, and
• a plurality of tabs extending between the inner lock face and the outer lock face.