An AMZ tibial tuberosity transfer system which includes: a retractor (10) which conforms to the patients anatomy, has more curve (not just a bend), and also has a large radius on the front of the retractor to allow for easier insertion a cutting block (20) that can fully accept a collared pin (23) a rod (60) preferably formed of stainless steel a tuberosity pin guide (30) an exit indicator (25) that engages tightly the cutting block (20) so there is no slope on exit indication and a horizontal bar (30) provided with markings to measure the medial shift.
