Patent ID: 7608074

Claim:
An external fixation apparatus comprising: a pivot arm comprising: an upper portion having a first end portion and a second opposite end portion having a first recess formed therein; and a lower portion having a third end portion with a prong end and a fourth opposite end portion having a second recess formed therein, wherein the lower portion and upper portion are secured together with the first and second recesses adjacent one another to form an internal recess in the pivot arm; a pin clamp coupled to and rotatable about the prong end of the third end portion, the pin clamp being attachable to a bone segment; and a carriage unit located within the internal recess, the carriage unit operatively connected to the upper portion and to the lower portion, and the carriage unit having a first adjustment member for adjustment of at least one portion of the pivot arm in a medial-lateral direction and a second adjustment member for adjustment of at least one portion of the pivot arm in an anterior-posterior direction, wherein the first adjustment member and the second adjustment member each comprise a worm gear and a keybolt.