The Articular Surface Replacement (ASR) hip resurfacing from DePuy was introduced in July 2003, at around the same time as a number of other hip resurfacing devices. It was marketed as having the advantages of a reduced diametrical clearance (said to reduce wear) and a sub-hemispherical cup...

The Avantage Acetabular System is a Dual Mobility hip bearing system comprising a cemented shell and cementless component with pegs (Avantage 3P) , a cementless component without pegs (Avantage Reload) and a revision cup and reinforcement plate.   

The Balance Microplasty hip stem is a shorter version of the Balance uncemented stem from Biomet. The stem is collarless and porous coated. It is a standard 80mm in length, and the design is intended to fill the proximal metaphysis and provide immediate three point fixation. The stem geometry...

The Birmingham Hip Resurfacing likely needs no introduction, as the device which kicked off the hip resurfacing revival of the last ten years. The device has been successfully marketed as a solution for younger patients requiring hip replacement, preserving bone on the femoral side. The...

The Birmingham Mid Head Resection Prosthesis is a device which, in terms of the bone resected, lies between the Birmingham Hip Resurfacing and a more standard total hip replacement. It can be used when it is possible to preserve part, but not all, of the femoral head. This may be helpful if...

The C-stem AMT (Articul/Eze 12/14 mini taper) total hip system from Depuy is a triple-tapered polished cemented stem for use in primary hip arthroplasty. As with other systems, the third taper runs from narrow medial to broad lateral, with the aim of improving load transfer proximally and...

According to the manufacturer, the Cannulok Plus Revision System comprises a molular revision hip prothesis with a locking intramedullary nail. They describe the device as a CE Marked product which is available as an 'off the shelf' and a customised solution.  Orthodynamics say that the...

The Cenator acetabular cup is manufactured from ultra high molecular weight polyethylene and achieves fixation via bone cement. The internal diameters of the Cenator cup are available in size 22, 26 and 28mm, and can be selected with or without an extended posterior wall and cement...

The CFP (Collum Femoris Preserving) stem is a collared, curved short stem device designed for minimally invasive implantation. It is a modification of the stem originally designed by Pipino in the early 1980s, the design aims of which included rotational stability by triplanar fixation,...

The COLLO-MIS femoral stem is a collarless bone preserving femoral stem. It is proximally tapered and has reduced cross-section distally and is HA coated. We are not aware of published results at the present time. Do you have experience of the COLLO-MIS femoral stem ? Tell us...