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

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

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

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

Istituti Ortopedici Rizzoli

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	393-399
Number of pages	7
Journal	La Chirurgia degli organi di movimento
Volume	82
Issue number	4
Publication status	Published - 1997

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title = "Metal-UHWMPE (Ultra High Molecular Weight Polyethylene) wear: experimental testing.",

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.",

author = "S. Affatato and S. Terzi and D. Nardi and A. Toni and R. Cianci",

year = "1997",

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AU - Affatato, S.

AU - Terzi, S.

AU - Nardi, D.

AU - Toni, A.

AU - Cianci, R.

PY - 1997

Y1 - 1997

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AB - 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.

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ER -

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

Abstract

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