The Visionaire Patient Matched Instrumentation system is Smith and Nephew’s customised jig system for knee replacement. It uses MRI and X-ray data to determine preoperatively the most appropriate alignment for an individual’s knee arthroplasty. The system is compatible with the...

The Vanguard Complete Knee System from Biomet is a comprehensive suite of implants which include primary cruciate retaining and posterior stabilised systems (cemented and uncemented). Tibial components include the Monobloc system which has a one-piece moulded tibial tray (compare with the...

The TruMatch™ Personalised Solution knee replacement system is Depuy’s customised jig for Sigma primary knee replacements . As with other customised jig systems, preoperative CT data are used to plan the final position of the implant. The CT data are sent to Depuy, and a...

Which Medical Device of the Year 2012 First Runner-Up: Orthopaedics   Our device nominator said, "“The fastest growing, lowest revised knee on the market...” We said, “We like the Triathlon knee, but aren’t aware of evidence that outcomes are better...

The Signature Personalised Patient Care system is Biomet’s customised jig system for the Vanguard knee replacement. MRI or CT data are reviewed on an online planning system for final checking by the surgeon. The femoral jig positioning determines the level of the resection and the...

The ShapeMatch system is a customised jig system for the Triathlon knee , the combination of which is called the Triathlon CustomFit Knee®. The technology was originally developed by OtisMed Corporation, which was bought by Stryker in 2009. The planning software uses MRI or CT data for...

The Scorpio Single Axis Knee Replacement System from Stryker is a single radius design, the intention of which is to address mid-flexion instability after surgery. It is available with X3 polyethylene inserts, and in cruciate retaining and cruciate substituting designs. The associated revision...

The SAIPH knee system is the evolution of the MRK knee. The geometry is very similar to the older and proven MRK system, but the instruments and the device itself are lower profile and updated. 

Prophecy pre-operative navigation guides from Wright Medical are rapid-manufactured guides based on CT or MRI data for the Advance knee. The unique feature of this system compared with others is that standard metal guides are embedded into the rapid-manufactured guide, so that cuts are made...

The PROFIX Total Knee System from Smith and Nephew is a well-established system with long term results. It is available in cemented and cementless (Hydroxylapatite on porous coating) variants.  The FLEXCR insert is intended to accommodate up to 155 degrees of flexion with reduced...

The P.F.C. SIGMA Total Knee System is designed to provide the surgeon with surgical solutions for a variety of clinical indications. Based on the clinically successful P.F.C. Total Knee System introduced in 1984, P.F.C. SIGMA continues a history of innovation based on clinical proof. P.F.C....

The NexGen knee system by Zimmer is a comprehensive suite of implants for primary and revision knee replacement. Characteristics include asymmetric femoral radii (lateral condyle larger than the medial), a minimized width and thickness of the anterior femoral flange, and the availability of...

The Medial Rotation Knee differs from other contemporary knee designs by having a geometry which includes a spherical medical tibial condyle and a more cylindrical lateral femoral condyle.  The spherical medial condyle allows rotation in flexion, whilst the smaller cylindrical lateral...

The LEXA (R) monobloc knee replacement is a rotating hinge knee replacement indicated for complex primary or revision knee replacement. The system appears straightforward with three size options for the femur and tibia, all of which are compatible with each other. Tibial and femoral wedges are...

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...

The KineMatch (R) Patello-Femoral Replacement from Kinamed Inc. is a custom-made patellofemoral replacement manufactured from CT data. The device comprises a customised CoCr femoral component and a UHMWPe patellar button. The system comes with a unique jig for each case. 

The Journey Patello-Femoral replacement is part of the Smith and Nephew system for selective replacement of all or part of the knee. The implant is manufactured from Oxinium (oxidised zirconium) and is said to have an anatomic design, with a deepened and lateralised trochlear groove, optimised...

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 INDUS knee is a low-cost knee prosthesis system designed and manufactured in India by BioRad Medisys. The design of the device is posterior-stabilised and high-flexion. The latter is achieved through a J-curve femoral component geometry and a 7 degree slope on the tibial component. The tibia...

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...

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...

According to the manufacturer, the device's 360 degree actuation design enables a clinician to deploy implants in any hand position.  As well as facilitating easier implant deployment, the system has a built-in depth penetration limiter and a stiffer needle shaft for greater control.

The eLibra Dynamic Knee Balancing System is an electronic pressure sensor intended to assist surgeons in ensuring ligament balance during knee replacement. The concept is that after the distal femoral and proximal tibial cuts, the device measures the pressures in the medial and...

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 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 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.