Update on UHMWPE research From the bench to the bedside

Enrique Gomez-Barrena Department of Orthopaedic Surgery, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, SpainCorrespondence[email protected]

José-Antonio Puertolas Department of Materials Science and Technology, I3A, Universidad de Zaragoza, Zaragoza, Spain; ICMA, CSIC-Universidad de Zaragoza, Zaragoza, Spain

Luis Munuera Department of Orthopaedic Surgery, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain; CIBER-BBN, Madrid, Spain

Yrjö T Konttinen Department of Medicine, Helsinki University, Helsinki, Finland; ORTON Orthopaedic Hospital of the Invalid Foundation, Helsinki, Finland; COXA Hospital for Joint Replacement, Tampere, Finland

Figures & data

Figure 1. Shelf-aged (7 years) commercial knee UHMWPE component made of GUR 415 (equivalent to today's 1050 GUR) after gamma irradiation in air. Note the sub-surface white band, related to oxidation and material embrittlement.

Figure 2. The paradigm of UHMWPE today: wear, oxidation, and mechanical properties.

Figure 3. Delaminated UHMWPE knee component after revision surgery due to pain and instability.

First-generation HXLPE components from different manufacturers, with manufacturing and sterilization procedures

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Update on UHMWPE research From the bench to the bedside

First-generation HXLPE components from different manufacturers, with manufacturing and sterilization procedures

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Update on UHMWPE research From the bench to the bedside

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First-generation HXLPE components from different manufacturers, with manufacturing and sterilization procedures

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