Continuum Acetabular System (OUS)

The power to meet individual patient needs.

Continuum Acetabular System provides highly flexible solutions for orthopaedic surgeons who treat a wide range of patients. The system combines the proven biologic fixation1,2 of Trabecular Metal™ Technology with Zimmer advanced bearing options. With one comprehensive system,surgeons have the ability to address variations of anatomy and bone quality and choose the bearing technology that best meets the needs of each patient.

Highly porous Trabecular Metal Material with over eleven years of clinical history

  • Initial stability3
  • Long-term biologic fixation4,5
  • Proven clinical history1,2

Power to choose advanced bearing technologies to match patient demands

  • Surgeons can chose from three liner types based on their patient needs.
  • Longevity® Highly Crosslinked Polyethylene is highly resistant to wear6 and aging7-15 with over ten years of proven clinical history.16
  • Metasul® has a very low wear rate17 with over twenty years of clinical history.18-25
  • BIOLOX®* delta Ceramic† affords a very low wear rate in a material with improved mechanical properties compared to traditional ceramics.26

 * BIOLOX ®  is a trademark of Ceramtech GmbH

References

  1. Unger AS, et al., Evaluation of a porous tantalum uncemented acetabular cup in revision total hip arthroplasty: clinical and radiological results of 60 hips. J Arthroplasty. 20(8); 2005: 1002-1009
  2. Macheras GA et al., Eight to Ten-Year Clinical and Radiographic Outcome of a Porous Tantalum Monoblock Acetabular Component, JOA Vol. 00 No. 02008, In Press
  3. Zhang Y, et al., Interfacial frictional behavior: cancellous bone, cortical bone, and a novel porous tantalum biomaterial. J Musculoskeletal Res. 1999; 3(4): 245-251
  4. Levine B. A new era in porous metals: applications in orthopaedics. Advanced Engineering Materials. August 2008; 10(9): 788-792
  5. Barbella M. Materials marvels: titanium is a top choice for implants, but other materials are gaining popularity. Orthopaedic Design & Technology. September 1, 2008
  6. Data on file at Zimmer
  7. 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
  8. 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
  9. Collier JP, et al. Comparison of crosslinked polyethylene materials for orthopaedic applications.Clin Orthop. 2003; 414: 289-304
  10. 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
  11. Jibodh, SR, et al., Minimum Five Year Outcome and Wear Analysis of Large Diameter Femoral Heads on Highly-Cross-linked Polyethylene Liners, Poster No. 2445, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, 2009
  12. Kärrholm, Digas G, J, Thanner J, Herberts P. Five to seven years experiences of highly crosslinked PE. SICOT Hong Kong, August 2008
  13. 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
  14. Bragdon CR, et al., Minimum 6-year Follow up of Highly Crosslinked Polyethylene in THA, Clinical Orthopaedics and Related Research, 2007; Number 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. 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
  17. 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
  18. Sharma S, et al., Metal-on-Metal total hip joint replacement: a minimum follow-up of five years. Hip Int, 2007; 17: 70–77
  19. Migaud H, et al., Cementless Metal-on-Metal hip arthroplasty in patients less than 50 years of age. Comparison with a matched control group using ceramic-on-polyethylene after a minimum 5-year follow- up. J Arthroplasty 19 (8, suppl 3), 2004, 23–28
  20. Long WT, et al., An American experience with Metal-on-Metal total hip arthroplasties. A 7-year followup study. J Arthroplasty 19 (8, suppl 3), 2004: 29–34
  21. Jessen N, et al., Metal/Metal – A new (old) hip bearing system in clinical evaluation. Prospective 7-year follow-up study. Orthopäde 2004; 33: 594–602 22. Delaunay CP, Metal-on-metal bearings in cementless primary total hip arthroplasty. J Arthroplasty 19(8, suppl 3), 2004: 35–40
  22. Grübl A, et al., Long-term follow-up of Metal-on-Metal total hip replacement. J Orthop Res, 2007; 25: 841–848
  23. Eswaramoorthy V, et al., The Metasul Metal-on-Metal articulation in primary total hip replacement: clinical and radiological results at ten years. J Bone Joint Surg Br, 2008; 90B: 1278–1283
  24. Delaunay CP, et al., THA using Metal-on-Metal articulation in active patients younger than 50 years. Clin Orthop Relat Res., 466, 2008: 340-346
  25. Kuntz M, Validation of a New High Performance Alumina Matrix Composite for use in Total Joint Replacement. Seminars in Arthroplasty 17, 2006: 141-145
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