| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Cook, Richard
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Effect of chromium and molybdenum increment on the crystal structure, nanoindentation and corrosion properties of cobalt based alloyscitations
- 2022Measuring the elastic modulus of soft biomaterials using nanoindentationcitations
- 2020A comparative study on the physicochemical characteristics of nanoparticles released in vivo from CoCrMo tapers and cement-stem interfaces of total hip replacements
- 2019The effects of substrate dilution on the microstructure and wear resistance of PTA Cu-Al-Fe aluminium bronze coatingscitations
- 2018The effect of micro-abrasion on enamel using abrasive slurries
- 2018Defect-free TiC/Si multi-layer electrical discharge coatingscitations
- 2017Investigation of wear and corrosion products from around explanted CoCrMo tapers
- 2017Inside a feather
- 2016Influence of the manufacturing finishing on the nano-scale wear resistance at the taper-trunnion interface in hip implants
- 2016Nano-scale wear characterization of CoCrMo biomedical alloyscitations
- 2016The importance of the film structure during self-powered Ibuprofen salicylate drug release from polypyrrole electrodeposited on AZ31 Mgcitations
- 2015Sub-surface characterisation of tribological contact zone of metal hip prosthesescitations
- 2015Microstructure characterisation of hypereutectoid aluminium bronze composite coatingcitations
- 2014The effect of large-area pulsed electron beam melting on the corrosion and microstructure of a Ti6Al4V alloycitations
- 2013Pulsed electron beam surface melting of CoCrMo alloy for biomedical applicationscitations
- 2013Pseudotumour formation due to tribocorrosion at the taper interface of large diameter metal on polymer modular total hip replacementscitations
Places of action
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article
Pseudotumour formation due to tribocorrosion at the taper interface of large diameter metal on polymer modular total hip replacements
Abstract
We present an in-depth failure analysis of two large diameter bearing metal-on-polymer (MoP) modular total hip replacements, which have required revision surgery due to pseudotumour formation. The failure analysis showed a discrete pattern of material loss from the distal end of the head taper/stem trunnion interface. We postulate that the use of a proximal contacting taper design had provided insufficient mechanical locking between the head and the stem, enabling the head to toggle on the trunnion. In addition, the difference in angle between the taper and the trunnion formed a crevice between the two components. Through a combination of crevice environment, mechanically assisted corrosion, mechanical wear and erosion; debris and metal-ions have been released resulting in the adverse local tissue reactions (ALTR)<br/><br/>