Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/81447
Author(s): Rui Miranda Guedes
S. Kanagaraj
P. S. R. Sreekanth
Mónica Oliveira
M. Fonseca
Title: Ultra high molecular weight polyethylene and its reinforcement with Carbon Nanotubes in Medical Devices
Issue Date: 2015
Abstract: This chapter discusses the advantages and complexities of ultra high molecular weight polyethylene(UHMWPE) when used as a bearing material for total joint arthroplasty (TJA) and total knee arthroplasty(TKA). The UHMWPE internal structure and its mechanical response depend strongly on a diversity offactors that include radiation crosslinking, fiber reinforcement, and the addition of antioxidants such asVitamin E or Vitamin C. All these manufacturing procedures induce morphological changes andsimultaneously alter the mechanical properties of UHMWPE. The importance of UHMWPE on arthroplasty,including the advantages, the limitations and the strategies devised to overcome the knowndrawbacks are discussed in the first section. The following sections revise and discuss thebiocompatibility, the manufacturing processes, the tribological behaviour, the aging by oxidation andirradiation of UHMWPE and UHMWPE-CNT nanocomposites. The last section analyses the viscoelasticbehavior of UHMWPE and its implications on the long-term survival of total joint arthroplasty.
Subject: Engenharia biomédica, Engenharia médica
Biomedical enginnering, Medical engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia médica
Engineering and technology::Medical engineering
URI: https://repositorio-aberto.up.pt/handle/10216/81447
Source: Polyethylene-Based Blends, Composites and Nanocomposities
Document Type: Capítulo ou Parte de Livro
Rights: openAccess
Appears in Collections:FEUP - Capítulo ou Parte de Livro

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