Lubrication Property of Total Knee Prostheses with PVA Hydrogel Layer as Artificial Cartilage

Yoshinori Sawae, Teruo Murakami, Hidehiko Higaki, Sigeaki Moriyama

Research output: Contribution to journalArticle

Abstract

To solve the tribological problems such as wear and loosening in existing knee prostheses composed of ultrahigh molecular weight polyethylene (UHMWPE) and metal or ceramics, a new design was attempted to realize adaptive multimode lubrication in the artificial joint. For this purpose, artificial articular cartilage is required, which has a similar structure and function to natural articular cartilage. In this study, PVA (polyvinylalcohol) hydrogel was used as artificial cartilage in the total knee prostheses. A PVA hydrogel layer was placed on an articulating surface of the tibial component, and their lubrication property during walking was evaluated by the knee joint simulator test. Silicone rubber (another compliant material) and UHMWPE were also tested and their frictional behaviors were compared with that of PVA hydrogel. As a result, PVA hydrogel showed suitable frictional behavior as artificial cartilage.

Original languageEnglish
Pages (from-to)4295-4302
Number of pages8
Journaltransactions of the japan society of mechanical engineers series c
Volume60
Issue number580
DOIs
Publication statusPublished - Jan 1 1994

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Knee prostheses
Cartilage
Hydrogels
Lubrication
Ultrahigh molecular weight polyethylenes
Silicones
Rubber
Simulators
Wear of materials
Metals

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Lubrication Property of Total Knee Prostheses with PVA Hydrogel Layer as Artificial Cartilage. / Sawae, Yoshinori; Murakami, Teruo; Higaki, Hidehiko; Moriyama, Sigeaki.

In: transactions of the japan society of mechanical engineers series c, Vol. 60, No. 580, 01.01.1994, p. 4295-4302.

Research output: Contribution to journalArticle

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