trabecular metal

AORI / Andersen Orthopedic Research Institute

T Tibial  F Femoral

1.  Contained Metaphyseal Defect

2.  Damaged Metaphyseal

A.  One Condyle

B.  Both Condyles

3.  Deficient Metaphysis +/- collaterals +/- extensor mechanism

1.  Contained Metaphyseal defect 

Principles of Acetabular reconstruction

Restore centre of rotation
Restore acetabular integrity
Component containment
Secure fixation

Preoperatively planning

Know components in situ (esp if leaving femur)
Quantify and grade bone defects
Beware intrapelvic cement / cup (angiogram)