Prolong® Highly Crosslinked Polyethylene

Reducing Wear and Delamination

Prolong Highly Crosslinked Polyethylene represents a significant advancement in wear reduction. It is specifically designed to reduce wear and delamination by addressing a number of specific wear factors. Use of Prolong Highly Crosslinked Polyethylene as a bearing surface with the Zimmer Biomet Trabecular Metal™ Total Ankle results in a wear rate reduction of 74%, as compared to use of conventional UHMWPE in the same design.1

When used as a bearing surface in total knee arthroplasty, ProlongHighly Crosslinked Polyethylene has been shown to:

  • Reduce topside wear2
  • Improve resistance to articular subsurface delamination, pitting, and cracking3,4
  • Improve resistance to oxidative degradation5
  • Reduce backside wear6

 

References

  1. Bischoff JE, Fryman JC, Kincaid B, Wentorf F, Gillard DL. Effect of Polyethylene Crosslinking on the Wear Performance of the Zimmer® Trabecular Metal TM Ankle. White Paper. 97-4501-055-00 November 24, 2014 Zimmer, Inc.
  2. Laurent MP, et al.: High cycle wear of highly crosslinked UHMWPE tibial articular surfaces evaluated in a knee wear simulator. Soc. of Biomaterials 28th Annual Mtg Transactions, 712, 2002.
  3. Data on file at Zimmer Biomet. Laboratory studies do not necessarily indicative of clinical performances.
  4. Yao JQ, Gsell R, Laurent MP, Gilbertson LN, Swarts D, Blanchard CR, Crowninshield RD: Improved delamination resistance of melt-annealed electron-beam irradiated highly crosslinked UHMWPE knee inserts. Society for Biomaterials 28th Annual Meeting Transactions, 60, 2002.
  5. Gsell R, Yao JQ, Laurent MP, Crowninshield RD: Improved oxidation resistance of highly crosslinked UHMWPE for total knee arthroplasty. Society for Biomaterials 27th Annual Meeting Transactions, 84, 2001.
  6. Yao JQ, Laurent MP, Johnson TS, Mimnaugh K, Blakemore D, et al.: Backside wear of conventional and high crosslinked UHMWPE tibial inserts as tested in knee wear simulator. Society for Biomaterials 29th Annual Meeting Transactions, 609, 2003.
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Additional Information

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