The ACS knee from Implantcast features a cobalt chrome alloy femoral component with a titanium nitride ceramic coating. The system includes mobile and fixed bearing options. The device had less than 1% of the primary knee market in the NJR report for England and Wales in 2011.

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 Columbus Total Knee System from Braun comprises a suite of implants including cruciate sparing, cruciate retaining, fixed or rotating platform and revision systems. The implants come cemented or cementless (coated with Plasmapore®). The trochlea is said to support natural patellar...

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 GMK knee is a knee replacement system from Medacta. The system includes a unicompartmental knee, fixed, mobile and semiconstrained primary versions and a revision system. Cemented and uncemented versions are available. The system has been conceived as an evolution of two pre-existing...