Stripe Wear and Squeaking in Ceramic Total Hip Bearings

W. L. Walter; P. J. Lusty; A. Watson; G. O'Toole; M. A. Tuke; B. Zicat; W. K. Walter

doi:10.1053/j.sart.2006.09.015

Stripe Wear and Squeaking in Ceramic Total Hip Bearings

W. L. Walter^*, P. J. Lusty, A. Watson, G. O'Toole, M. A. Tuke, B. Zicat, W. K. Walter

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Alumina ceramic-on-ceramic bearings have very low wear rates in standard hip simulators. However retrieved bearings demonstrate edge loading wear. We analyzed 16 retrieved bearings. The average wear volume was 0.4 mm³/year in the femoral heads. Acetabular anteversion of less than 15° was associated with an increased wear rate. Rarely patients complain of squeaking from their hip replacement. Of hip arthroplasties that squeak, those that squeak in extension have more anteversion (40°) than those that squeaked in flexion (19°). The incidence of both stripe wear and squeaking will be reduced by accurate placement of the hip components.

Original language	English
Pages (from-to)	190-195
Number of pages	6
Journal	Seminars in Arthroplasty
Volume	17
Issue number	3-4
DOIs	https://doi.org/10.1053/j.sart.2006.09.015
Publication status	Published - Sept 2006
Externally published	Yes

Keywords

alumina ceramic
squeaking
stripe wear
total hip arthroplasty

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10.1053/j.sart.2006.09.015

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title = "Stripe Wear and Squeaking in Ceramic Total Hip Bearings",

abstract = "Alumina ceramic-on-ceramic bearings have very low wear rates in standard hip simulators. However retrieved bearings demonstrate edge loading wear. We analyzed 16 retrieved bearings. The average wear volume was 0.4 mm3/year in the femoral heads. Acetabular anteversion of less than 15° was associated with an increased wear rate. Rarely patients complain of squeaking from their hip replacement. Of hip arthroplasties that squeak, those that squeak in extension have more anteversion (40°) than those that squeaked in flexion (19°). The incidence of both stripe wear and squeaking will be reduced by accurate placement of the hip components.",

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AU - Walter, W. L.

AU - Lusty, P. J.

AU - Watson, A.

AU - O'Toole, G.

AU - Tuke, M. A.

AU - Zicat, B.

AU - Walter, W. K.

PY - 2006/9

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N2 - Alumina ceramic-on-ceramic bearings have very low wear rates in standard hip simulators. However retrieved bearings demonstrate edge loading wear. We analyzed 16 retrieved bearings. The average wear volume was 0.4 mm3/year in the femoral heads. Acetabular anteversion of less than 15° was associated with an increased wear rate. Rarely patients complain of squeaking from their hip replacement. Of hip arthroplasties that squeak, those that squeak in extension have more anteversion (40°) than those that squeaked in flexion (19°). The incidence of both stripe wear and squeaking will be reduced by accurate placement of the hip components.

AB - Alumina ceramic-on-ceramic bearings have very low wear rates in standard hip simulators. However retrieved bearings demonstrate edge loading wear. We analyzed 16 retrieved bearings. The average wear volume was 0.4 mm3/year in the femoral heads. Acetabular anteversion of less than 15° was associated with an increased wear rate. Rarely patients complain of squeaking from their hip replacement. Of hip arthroplasties that squeak, those that squeak in extension have more anteversion (40°) than those that squeaked in flexion (19°). The incidence of both stripe wear and squeaking will be reduced by accurate placement of the hip components.

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Stripe Wear and Squeaking in Ceramic Total Hip Bearings

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Keywords

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