The VERASENSE system from Orthosensor is an intraoperative device designed to help with soft tissue balancing in primary knee arthroplasty.   It permits intraoperative assessment of the load on the knee during trialling of the implant, which is communicated wirelessly to a customisable...

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 Journey Deuce partial knee replacement from Smith and Nephew is a minimally invasive system designed to preserve the cruciate ligaments and the lateral compartment of an arthritic knee, whilst replacing the patello-femoral and medial compartments.  The knee was launched in 2007....

The Trigen Knee Fusion Nail is one of the Trigen series of intramedullary nails. The nail is titanium and is intended to be inserted from proximal to distal. Proximal locking is with a 5.0mm screw or two 6.4mm reconstruction bolts. The nail has a radius of curvature of 1.5 to 2.5m. It is...

The Preservation Minimally Invasive Mobile Bearing Unicompartmental knee system was designed in 2001 and made available in the United Kingdom from 2002. Following poor results in the National Joint Registry of England and Wales, the device was discontinued throughout Europe in 2009.