Trilogy IT Acetabular System

For orthopedic surgeons treating a wide range of patients, the Trilogy IT Acetabular System provides a clinically proven 1-5 Fiber Metal Material and the power to choose advanced bearing options that best meet individual patient needs.

Clinically Proven Fiber Metal Material

Over twenty-five years of clinical history 1-5

Power to choose advanced bearing technologies to match patient demands

Longevity ® Highly Crosslinked Polyethylene is highly resistant to wear and aging, with over ten years of proven clinical history.5-15

Metasul ® Technology has a very low wear rate with over twenty years of clinical history.5,16

BIOLOX ® delta Ceramic affords a very low wear rate in a material with improved mechanical properties compared to traditional ceramics.

Design Rationale


  1. Lachiewicz, PF, et al., Polyethylene Wear and Osteolysis with a New Modular Titanium Acetabular Component, J Arthroplasty. 2008; 23 (7): 971 - 976
  2.  Della Valle, AG, et al., Clinical and Radiographic Results Associated with a Modern, Cementless Modular Cup Design in Total Hip Arthroplasty J Bone Joint Surg Am. 2004; 86: 1998-2003
  3. Parvizi J, et al., Fifteen-year clinical survivorship of Harris-Galente total hip arthroplasty, J Arthroplasty. 2004; 19 (6): 672-677
  4. Park DK, et al., Revision of the Acetabular Component Without Cement, A Concise Follow up at Twenty to Twenty-four years, of a previous report, J Bone Joint Surg Am. 2009; 91: 350-355
  5. Data on file at Zimmer
  6. Medel FJ, Kurtz SM, MacDonald DW, et al., First-generation highly crosslinked polyethylene in THA: clinical and material performance. 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, 2009
  7. Kärrholm J, Five to seven years experiences of highly crosslinked PE. Abstract number 19059, SICOT Hong Kong, August 2008
  8. 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: 773-782
  9. Bragdon CR, et al., Seven to Ten Year Follow-Up of Highly Crosslinked Polyethylene Liners in Total Hip Arthroplasty, Poster No. 2444, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, 2009
  10. 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
  11. Collier JP, et al., Comparison of crosslinked polyethylene materials for orthopaedic applications. Clin Orthop. September 2003; (414) :289-304
  12. 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 Society, Paper 0276, Las Vegas, 2004
  13. 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
  14. Bragdon CR, et al., Minimum 6-year Follow up of Highly Crosslinked Polyethylene in THA, Clin Orthop. December 2007; (465): 122-127
  15. 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
  16.  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
  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
  18. Laurent MP et al., Characterization of a Highly Crosslinked Ultra High Molecular Weight Polyethylene in Clinical Use in Total Hip Arthroplasty. J Arthroplasty, 2008; 23 (5): 751-761

BIOLOX is a registered trademark of CeramTec AG Corporation

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