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Zenith™

Total Ankle Replacement


A third generation mobile bearing total ankle replacement (TAR), Zenith™ is based on a proven bearing surface geometry with a 25 year heritage(1). With advanced coating technologies and innovative instrumentation, Zenith™ represents the next generation in total ankle replacement. 
 

Technology

Corin is dedicated to the use of advanced technologies to improve implant function and longevity. 

TiN Titanium nitride (TiN) coating

A ceramic layer applied to the polished surface designed to reduce wear and enhance longevity of the implant, TiN coating has been shown to reduce wear by up to 98%(2).

BONIT BONIT® coating

An established and proven process of applying a thin layer of calcium phosphate to a titanium plasma-sprayed layer, BONIT® is designed to provide optimal bone integration(3,4,5,6,7,8).

ZenithReproducibility

The third generation instrumentation allows the surgeon to carry out accurate, reproducible implant positioning with a comprehensive, fully jigged system. The option to make the tibial and talar cut on one jig is unique to this system.
 

Stability

The tibial stem has demonstrated stability with over 25 years of clinical use. Two anterior pegs on the talus provide primary and rotational stability along with even load transfer.


References:

1. Frederick F. Buechel, Sr., MD*; Frederick F. Buechel, Jr., MD†; and Michael J. Pappas, PhD‡ Twenty-Year Evaluation of Cementless Mobile-Bearing Total Ankle Replacements Clinical Orthopaedics and Related Research Number 424, pp. 19–26

2. Pappas MJ, Makris G, Buechel FF. Titanium nitride ceramic film against Polyethylene. Clin Ortho Rel Res 1995;317:64-70.

3. Wood PLR, Deakin S. Total ankle replacement. The results in 200 ankles. J Bone Joint Surg (Br) 2003; 85-B:3:334.

4. Saxler G, Temmen D, Bontemps G. Medium-term results of AMC-unicompartmental knee arthroplasty. The Knee 2004; 11:39-355.

5. Schwarz ML, Kowarsch M, Rose SB, Jani L. Histomorphometrical and mechanical evaluation of various surfaces on titanium test bodies plasced into femora of the Göttinger minipig. Can a resorbable CaP coating increase osteointegration? 49th Annual Meeting of the Orthopaedic Research Society 2003; Poster.

6. Becker P, Nebe B, Luthen F, Rychle J, Neumann HG. Cellular investigations on electrochemically deposited CaP-composite. 18th European Conference on Biomaterials 2003. Abstract.

7. Zeggel P. Bioactive Calcium phosphate coatings for dental implants. A summarising characterisation of BONIT-FBR. International Magazine of Oral Implantology 1/2000; 51-57.

8. Massei G, Trisi P, Malchiodi L, Szmukler-Moncler S. Immediately loaded FBR-coated PITT-EASY BIO-OSS Implants. A histologic evaluation in 3 patients after 8-12 weeks of function. European Association for Osseointegration 2001; Poster.


 


Important: Not all products are available or cleared for distribution in all international markets. For more details, please contact your local subsidiary or distributor by visiting the Corin worldwide section. 

Technical summary

Zenith technical summary.jpg

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The growing evidence

Zenith.jpgLatest results on the Zenith™ TAR from Lancaster, UK
As presented at BOFAS 2012, Newport
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The growing evidence

Zenith.jpgLatest results on the Zenith™ TAR from Bristol, UK
As presented at EFORT 2012, Berlin
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Newsletter

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Zenith TAR
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