Metal-UHWMPE (Ultra High Molecular Weight Polyethylene) wear: experimental testing.

S. Affatato, S. Terzi, D. Nardi, A. Toni, R. Cianci

Research output: Contribution to journalArticlepeer-review

Abstract

Testing conducted on a hip joint simulator verified the Charnley hypothesis that the diameter of the prosthetic head is proportional to wear. The study was conducted by pairing heads in Ortinox TM with acetabular cups in polyethylene at high molecular weight (UHMWPE). A comparison between the different sizes of the heads (26 and 30 mm in diameter) showed a different trend in the wear rate; in particular, the head with a smaller diameter behaves better tribologically than the head with a larger diameter.

Original languageEnglish
Pages (from-to)393-399
Number of pages7
JournalLa Chirurgia degli organi di movimento
Volume82
Issue number4
Publication statusPublished - 1997

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