Trinity shell with ECiMa liner
ECiMa elevated posterior wall liner
ECiMa neutral liner
Trinity cluster shell with Trinity Dual Mobility (ECiMa insert)
ECiMa™
Vitamin-E enriched advanced polyethylene
Read More
About
Corin’s most advanced polyethylene enriched with antioxidant vitamin E, designed to provide an alternative to hard bearings.
Video
Ultra-low wear
In mobile joint replacement, minimising wear is critical to longevity.
ECiMa has excellent wear properties thanks to extensive cross-links created during an optimised, cold gamma irradiation process1. When compared to UHMWPE and HXLPE, a 95% and 83% reduction in wear rate was recorded2.
Mechanical performance
After cross-linking, some free radicals may remain. Removing these reactive free radicals is critical.
Corin use a proprietary mechanical annealing process to reduce free radicals created during the irradiation process without re-melting. This means crystallinity is largely unaffected and ECiMa retains the proven mechanical strength and performance of UHMWPE3.
Oxidative stability
An optimised dosage4 of vitamin-E is blended with UHMWPE before consolidation to provide uniform, long term resistance to oxidation2,5,6,7.
This vitamin-E reduces oxidation initially by neutralising reactive free radicals created during irradiation, and a remaining antioxidant reservoir provides active stabilisation to minimise in vivo oxidation.
References
- Oral E, Godleski Beckos C, Malhi AS, Muratoglu OK. The effects of high dose irradiation on the crosslinking of vitamin E-blended ultra-high molecular weight polyethylene. Biomaterials, 2008:29;3557- 60.
- Traynor A, Simpson D, Collins S. ECiMa™ for low wear, optimal mechanical properties and oxidation resistance of hip bearings. Total Hip Arthroplasty – Wear Behaviour of Different Articulations, EFORT Reference in Orthopaedics and Traumatology, Springer: ISBN 978-3-642-27360-5, 2012.
- Data on file, Corin Group ltd.
- Data on file, Corin Group ltd.
- Competitor literature review.
- Oral E, Wannomae KK, Hawkins NE, Harris WH, Muratoglu OK. a-Tocopherol doped irradiated UHMWPE for high fatigue resistance and low wear. Biomaterials, 2004;25(24):5515–22.
- Oral E, Christensen S, Malhi A, Wannomae K, Muratoglu O. Wear resistance and mechanical properties of highly crosslinked UHMWPE doped with vitamin E. Journal of Arthroplasty, 2006;21(4):580–91. 5 Oral E, Godleski Beckos C, Malhi AS, Muratoglu OK. The effects of high dose irradiation on the crosslinking of vitamin E-blended ultra-high molecular weight polyethylene. Biomaterials, 2008:29;3557- 60.
Request more information
Important information
Not all products are available or cleared for distribution in all markets. For more details please contact us.
English
French