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Zimmer, Inc.

Sistema acetabolare Allofit® IT

Descrizione del prodotto

Per i chirurghi ortopedici che trattano pazienti diversi, il sistema acetabolare Allofit IT fornisce una struttura clinicamente testata1-4 e la facoltà di scegliere opzioni di accoppiamento avanzate che rispondano alle esigenze specifiche di ogni paziente.

Struttura clinicamente comprovata del sistema acetabolare Allofit

  • Oltre quindici anni di storia clinica 1-4

La possibilità di scegliere un’avanzata tecnologia di accoppiamento per soddisfare le richieste del paziente

  • Il polietilene altamente reticolato Longevity ® è resistente all’usura e all’invecchiamento, con oltre dieci anni di storia clinica comprovata.5-14
  • La tecnologia Metasul ® ha un tasso molto basso di usura con oltre vent’anni di storia clinica documentata.15,16
  • La ceramica BIOLOX ® delta* ha un basso tasso di usura del materiale con proprietà meccaniche migliorate rispetto alla ceramica tradizionale.17

*  BIOLOX®  è un marchio registrato di Ceramtech GmbH

Fondamento logico del Design rationale

Bibliografia

  1. Zenz P et al.; 10 years results after implantation of the cementless pressfit cup “Allofit”; presented at EFORT Florenz, 2007
  2. Studener H et al.; Klinische und radiologische 10-Jahres-Ergebnisse nach zementfreier Allofit Hüftimplantation; presented at Southern German Orthopedic Congress 2008
  3. 3. Garcia-Rey E, et al., New Polyethylenes in total hip replacement: a prospective, comparative clinical study of two types of liners. JBJS Br. 2008; 90(2): 149-153
  4. Dati di archivio conservati presso Zimmer
  5. Medel FJ, Kurtz SM, MacDonald DW, et al. First-generation highly crosslinked polyethylene in THA: clinical and material performance. Las Vegas, 55th Meeting of the Orthopaedic Research Society, 2009
  6. Kärrholm J, Five to seven years experiences of highly crosslinked PE. Abstract number 19059, SICOT Hong Kong, agosto 2008
  7. McCalden RW, MacDonald SJ, Rorabeck CH, Bourne RB, Chess DG, Charron KD, Wear Rate of Highly Crosslinked Polyethylene in Total Hip Arthroplasty. A Randomized Controlled Study. J Bone Joint Surg Am. 2009;91:773-82
  8. Bragdon CR, et al., Minimum 6-year Follow up of Highly Crosslinked Polyethylene in THA, Clin Orthop. Dicembre 2007; (465): 122-127
  9. Wannomae KK, et al. In vivo oxidation of retrieved crosslinked ultra-high molecular-weight polyethylene acetabular components with residual free radicals. J Arthroplasty. 2006;21(7):1005-1011
  10. Collier JP, et al. Comparison of cross-linked polyethylene materials for orthopaedic applications. Clin Orthop. 2003;414:289-304
  11. Bhattacharyya S et al. Severe In Vivo Oxidation in a Limited Series of Retrieved Highly-Crosslinked UHMWPE Acetabluar Components with Residual Free Radicals, 50th Annual Meeting of the Orthopaedic Research Socieity, Paper 0276, Las Vegas, 2004
  12. Jibodh, SR, et al., Minimum Five Year Outcome and Wear Analysis of Large Diameter Femoral Heads on Highly Crosslinked Polyethylene Liners, Poster No. 2445, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, 2009
  13. Bragdon CR, et al., Minimum 6-year Follow up of Highly Crosslinked Polyethylene in THA, Clin Orthop. Dicembre 2007; (465): 122-127
  14. Digas et al., Crosslinked vs. Conventional Polyethylene in Bilateral Hybrid THR Randomised Radiostereometric Study, 50th Annual Meeting of the Orthopaedic Research Society, Poster No. 0319, Las Vegas, 2004
  15. Rieker CB, Schön R, Köttig P, et al. Development and validation of a second-generation Metal-on-Metal bearing: laboratory study and analysis of retrievals. J Arthroplasty. 2004;19 (8, suppl 3):5-11
  16. Dati di archivio conservati presso Zimmer
  17. Stewart TD, et al., Long-term wear of ceramic matrix composite materials for hip prostheses under severe swing phase micro-separation, J Biomed Mater Res B Appl Biomater. 2003; 66: 567-573

Guide correlate alle tecniche chirurgiche