Marathon Cross-Linked Polyethylene is a third generation cross-linked polyethylene. The manufacturing process involves 5 MRad of gamma irradiation, followed by a thermal treatment which is said to reduce free radicals in the polyethylene, enhance material consolidation and reduce the oxidative...

The Summit® Cementless Hip Replacement System from Depuy-Synthes is a tapered cementless titanium hip stem, whose features include a tapered neck geometry, a Porocoat porous or DuoFix HA coating, an anatomical medial curve, a grit blasted diaphyseal region and a polished distal tip to reduce...

The Summit Cemented Hip Replacement System from Depuy-Synthes is a cemented stem which is a modification of the original Charnley design. The aims of these modifications were to increase torsional stability, increase offset options and improve the cement mantle (for example with the integral...

The Elite Plus Ogee Cup from Depuy is a UHMWPE cemented acetabular component for primary or revision hip arthroplasty.  In the 2011 National Joint Registry report, the socket had an ODEP 10A rating, and was implanted in 13% of all registered primary hip replacements. When used with the...

The DISCOVER Artificial Cervical Intervertabral Disc arthroplasty from Depuy is an unconstrained cervical disc prosthesis. The device is indicated for symptomatic cervical disc disease, with the aim of improving range of neck movement and reducing neck pain. The device comprises titanium alloy...