The Tritanium Acetabular Cup from Stryker is an acetabular shell manufactured from Tritanium which is a proprietary commercially pure Titanium matrix.  Stryker report the shell has 72% porosity, a coefficient of friction of 1.01 and an average pore size of 546 microns. Clinical trials...

The TaperLoc Microplasty from Biomet is a short femoral stem which is essentially a shortened version of the Taperloc stem (35mm shorter). This is a collarless, flat tapered wedge design, made from porous, plasma sprayed titanium. Lombardi et al give some useful advice for insertion. They...

The Symbios hip system is a cementless, HA coated, Swiss manufactured hip system which comes in proximally coated, fully coated, modular and monoblock varieties. The stem is titanium and is either anatomic (the SPS) or straight stem (the Harmony). The system is marketed with preoperative...

The SMF Short Modular Femoral Hip System from Smith and Nephew is an uncemented titanium stem, approximately 20% shorter than conventional stems. It has a proprietary high-friction porous (mean pore size 200 microns) coating known as Stiktite ™ and has a cobalt-chrome modular neck design....

The Silent hip is a tapered press-fit, textured implant designed to sit in the femoral neck without contacting the lateral cortex. It was launched in 2009 and remains in clinical trials. Links to clinical trials Multi-Centre Study to Assess the Long-Term Safety and Efficacy of the Silent...

According to the manufacturer, the Selexys Dual System provides a patient with a greater range of movement than many other hip systems, as well as joint stability. They say that it is therefore suitable for treating patients with profound instability and where diseased profiles place a...

Amplitude's Saturne Double Mobility Cup is cementless and has anatomic cut-out to resist dislocation.

The Proxima Short Stem from Depuy is a proximally loading short stem hip prosthesis made of forged titanium alloy, with a Duofix™ porous coating and hydroxyapatite surface coating. It is available in nine sizes with standard and high-offset variants. The paper by Toth (1) gives several...

The device has a mobile polyethylene liner which is locked onto a femoral head that articules in a metallic acetabular shell. According to Smith & Nephew, the system was designed for patients, in primary and revision cases, who are susceptible to dislocation and therefore in need of greater...

The Novae Dual Mobility Cup is designed to reduce the risk of dislocation in patients at high risk including those with a history of dislocation, revision surgery and major tumour resection. Socket options include cemented (the "Stick"), uncemented with an HA coating (the "...

The MS-30 (Morscher-Spotorno) femoral stem from Zimmer is a cemented, collarless stem which is available in both matt and highly polised versions. Design features include three tapers and a rounded trapezoidal cross section. The purpose of the flange on the lateral aspect of the stem is to...

The Corin MiniHip is a short-stemmed uncemented device intended to be more conservative on the femoral side than conventional femoral components, and requiring a mid-neck resection. The system is compatible with Corin’s Cormet resurfacing, and total hip systems, allowing some...

The Micro-Aire Pulse Lavage system for total joint arthroplasty is a disposable pulse lavage handpiece with both high and low speed settings.  A brochure is available here .

The Metha Short Hip Stem is a modular femoral stem designed for metaphyseal anchorage in the proximal femur. The curved stem has a rounded tip and sits against the dorsolateral cortex of the proximal femur. There is no collar. It varies in length from 9.75 to 12.25cm. The modularity allows the...

The Modular Dual Mobility acetabulum from Stryker (MDM) complements the ADM system, but is based on the Trident or Tritanium uncemented acetabular shells. The polyethylene component is manufactured from X3 polyethylene . The femoral head is either 22.2mm for smaller size shells, or 28mm. A CoCr...

Designed by Morrey in 1984, this conservative bone preserving femoral component has the longest track record in short stem devices. This is a neck-retaining device. The Mayo stem has a proximal wide trapezoidal cross-section in order to gain multipoint contact within cortical bone, and is wedge...

The Maxera ™ Cup from Zimmer is a large diameter ceramic acetabular component. The ceramic is Biolox delta, the design includes a 180 degree full hemisphere, with three anti-rotation fins. Large diameter heads ranging from 32mm to 48mm are available. The bearing is intended for younger...

The Zimmer Fitmore stem system is a curved, short (44 to 60 mm in length), uncemented femoral stem with a trapezoidal cross section and triple taper geometry, available since 2008. The device is manufactured from Zimmer’s Protasul™ titanium alloy, has a proximal Ti-plasma coating and...

The Exeter Comtemporary X3 RimFit socket is a cemented socket for primary hip arthroplasty. The RimFit reamer is designed to flatten the rim of the socket in order to maxmise pressurisation and cement penetration into acetabular bone. 

Tornier's Dual Mobility Cup is available in cementless and cemented versions for primary replacement of the hip joint. The device has a metal back which, according to the manufacturer, ensures the joint range and stability are maintained. This image is provided courtesy of Tornier.

The CUT femoral neck endoprosthesis is a short stem device with a modular dual cone proximal component that allows the selection of different offsets and versions once the stem has been implanted. The implant is made from CoCrMo alloy and has a macroporous structure. The stem is curved at the...

The CPT hip stem from Zimmer is a collarless, polished, double taper hip stem. Date released : First clinical use in 1990. Material : Cobalt-chromium alloy. Surface : Polished cobalt-chrome. Geometry : Double taper design. Extended and extra-extended...

The Corail stem has been in clinical use since the 1980s. It is a fully hydroxy-apatite coated (150 micron thickness) non-porous forged titanium alloy stem. The design includes a proximal trapexoidal cross section, intended to resist axial/torsional stresses and promote initial stability, and a...

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...

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,...

CarboJet CO2 compressed gas lavage is an alternative to fluid based lavage systems. The manufacturers demonstrate better cleaning of trabecular bone than after saline lavage, and report lower numbers of intraoperative embolic events. 

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...

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 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 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 Aquamantys system is a bipolar sealer which delivers radiofrequency energy and saline simultaneously to a surgical field in order to provide haemostasis or sealing across an exposed tissue or bone surface. The process heats tissues to around 100 degrees centigrade, much less than for...

The Aida Short Stem hip from Implantcast is a shortened titanium stem with a proximal coating of both pure titanium and hydroxyapatite. The modular neck is compatible with ceramic and large diameter bearings, such as the ACCIS hip. There are no published results. Do you have experience...

The Active Articulation E1 Hip System is specifically indicated for patients at risk of dislocation. According to the manufacturer, it is the only dual mobility system to use Antioxidant Infused Technology which is intended to prevent oxidative degradation of the polythene component. ...

The Accolade femoral stem from Stryker is an uncemented, proximally coated, collarless femoral component manufactured from Stryker’s proprietary beta titanium alloy, TMZF. TMZF has a modulus of elasticity closer to that of bone than Ti-6Al-4V alloy. The proximal coating is 50 micron thick...

The Accolade C Femoral Component from Stryker is a cemented hip stem with a dual wedge design manufactured from chrome cobalt. There are 132 and 127 degree neck angle options, and a universal distal spacer or ring centraliser options. The V40 taper allows a range of heads including Vitallium...