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The dynamic TrabecuLink Femoral and Tibial Cones are an attractive solution for cementless restoration of bone defects¹⁰ and to provide additional support for the prosthesis if there is bone loss in the distal femur and/ or the proximal tibia.The combination of the dynamic design^5,6 of the cones and the biocompatible material Tilastan– E^11,12 is ideal for ensuring stable, long-lasting fixation and successful bone regeneration.

TrabecuLink Cones can be used in combination with the long-established LINK Endo-Model knee family in a wide range of sizes and versions. The choice of sizes corresponds to the dimensions of the hinged knee prostheses.

Stable – in metaphyseal fixation^9,13

• Reinforcement of the bone structure in cases of femoral and tibial bone defects
• High primary stability, both for the TrabecuLink Cone itself and for the prosthesis component cemented in the cone
• Cementless interface with the bone

Elastic – due to integral bending axes in the inner metal wall

• Mechanical compression promotes bone regeneration^5,6
• Bending axes for adaptation to bone surfaces
• Good fit ensured by structural elasticity, which also facilitates insertion of the TrabecuLink Femoral/ Tibial Cones
• Spring effect for easier intraoperative positioning

Versatile – for a broad range of solutions⁷

• Can be combined with all the components of the Endo-Model knee family
• Sizes correspond to the sizes of the hinged knee prostheses
• Customized models can be manufactured

Protective – due to inner metal wall

• Prevents penetration of bone cement into the TrabecuLink structure
• Reliable cement fixation to the implant by means of specially positioned “notches” (revision-friendly)

Environmentally friendly^3,8

• Resource-saving manufacturing of proven Titanium alloy

TrabecuLink
3-dimensional structure

•  Pore geometry (porosity: 70%, pore size: 610-820 μm, structure depth: up to 2 mm)

References (general)

1. Cecile M. Bidan, Krishna P. Kommareddy, Monika Rumpler, Philip Kollmannsberger, Yves J.M. Brechet, Peter Fratzl, John W.C. Dunlop. et al.; How Linear Tension Converts to Curvature: Geometric Control of Bone Tissue Growth; PLoS ONE 7(5): e36336. https://doi.org/10.1371/journal.pone.0036336 (2012)
2. Pascal Joly, Georg N. Duda, Martin Schöne, Petra B. Welzel, Uwe Freudenberg, Carsten Werner, Ansgar Petersen, et al.; Geometry-Driven Cell Organization Determines Tissue Growth in Scaffold Pores: Consequences for Fibronectin Organization; PLoS ONE 8(9): e73545. doi.org/10.1371/journal.pone.0073545 (2013)
3. Dr. Malte Drobe, Franziska Killiches; Vorkommen und Produktion mineralischer Rohstoffe – ein Ländervergleich; Bundesanstalt für Geowissenschaften und Rohstoffe Hannover; http://www.bgr.bund.de/DE/Themen/Min_rohstoffe/Downloads/studie_rohstoffwirtschaftliche_einordnung_2014.pdf?__blob=publicationFile&v=4 (2014)
4. Steinemann SG; Compatibility of Titanium in Soft and Hard Tissue – The Ultimate is Osseointegration; Materials for Medical Engineering, WILEY-VCH, Volume 2, Page 199-203
5. Gerald Küntscher; Praxis der Marknagelung; Friedrich-Karl Schattauer-Verlag (1962)
6. R. Texhammer, C. Colton et al.; AO-Instrumente und Implantate (Technisches Handbuch); Springer Verlag, 2. Auflage, S.25 (2011)
7. Gabriele Panegrossi, corresponding author Marco Ceretti, Matteo Papalia, Filippo Casella, Fabio Favetti, and Francesco Falez; Bone Loss Management in Total Knee Revision Surgery; Int Orthop. 2014 Feb; 38(2): 419–427; www.ncbi.nlm.nih.gov/pmc/articles/PMC3923937/ (2014)
8. Conflict Minerals: MEPs Secure Mandatory Due Diligence for Importers; Press release - External/international trade − 22-11-2016 - 19:07; www.europarl.europa.eu/news/en/news-room/20161122IPR52536/conflict-minerals-meps-secure-mandatory-due-diligence-for-importers (2016)
9. Henricson A, Linder L, Nilsson KG.; A Trabecular Metal Tibial Component in Total Knee Replacement in Patients Younger than 60 Years: a Two-year Radiostereophotogrammetric Analysis; J Bone Joint Surg Br. 2008;90:1585–1593. doi: 10.1302/0301-620X.90B12.20797 (2008)
10. P. K . Sculco, M. P. Abdel, A. D. Hanssen, D. G. Lewallen; The Management of Bone Loss in Revision Total Knee Arthroplasty; Bone Joint J 2016;98-B(1 Suppl A):120–4 (2016)
11. Peter Heinl, Lenka Müller, Carolin Körnera, Robert F. Singera, Frank A. Müllerb; Cellular Ti–6Al–4V Structures with interconnected Macro Porosity for Bone Implants Fabricated by Selective Electron Beam Melting; Acta Biomaterialia Volume 4, Issue 5, September 2008, Pages 1536–1544 (2008)
12. Hong Wang, Bingjing Zhao, Changkui Liu, Chao Wang, Xinying Tan, Min Hu; A Comparison of Biocompatibility of a Titanium Alloy Fabricated by Electron Beam; PLOS ONE | DOI:10.1371/journal.pone.0158513 July 8 2016, (2016)
13. Ivan De Martino, Vincenzo De Santis, Peter K Sculco, Rocco D’Apolito, Joseph B Assini, Giorgio Gasparini; Tantalum Cones Provide Durable Mid-Term Fixation in Revision TKA; Clin Orthop Relat Res 473 (10), 3176-3182 (2015)