The Anatomic Graduated Component (AGC) total knee system from Biomet was first implanted in 1983. This is a minimally conforming “flat on flat” design attributed to Ritter. The system includes Universal and sided cobalt-chrome femoral components. The tibial component is available as...

The Genesis II Total Knee System is a cemented primary and revision knee replacement system from Smith and Nephew, implanted since the 1990s. The features of this device include a deeper and more lateralized trochlear groove than earlier designs, an externally rotated femoral component (meaning...

The Low Contact Stress (LCS) knee system from DePuy is a rotating platform knee replacement system, first implanted in 1977.  The device has a polished cobalt-chrome tibial tray into which the peg of the polyethylene tibial component is placed to allow rotation. There are antero-posterior...

This is a “fourth” generation ankle design, which is a modification of the Agility ® ankle replacement and includes a redesigned winged talar component, the ability to upsize the talar component one size compared with the tibial component and front-loading polyethylene. The...

The Zimmer Apollo hip system is a collared straight stem, cobalt chrome cemented hip replacement. The Apollo cup is an all-polyethylene cemented acetabular component. Although first used in 1990, the socket is rated “pre-entry” by ODEP.