The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty

Thom Bitter; Imran Khan; Tim Marriott; Elaine Lovelady; Nico Verdonschot; Dennis Janssen

doi:10.1080/10255842.2019.1627524

The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty

Thom Bitter^*, Imran Khan, Tim Marriott, Elaine Lovelady, Nico Verdonschot, Dennis Janssen

^*Corresponding author for this work

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

16 Citations (Scopus)

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Abstract

Fretting and corrosion at the taper-head interface in total hip arthroplasty has been reported as a potential cause of early failure of the implant system. The finite element (FE) method can be used to study the mechanics at the taper junction that are difficult to assess experimentally. Taper mismatch is one of the factors that can influence the performance of the taper junction. In this study we have assessed the effect of taper mismatch, in combination with assembly force on the volumetric wear. The study showed that higher assembly forces and smaller mismatches result in the least volumetric wear.

Original language	English
Pages (from-to)	1061-1072
Number of pages	12
Journal	Computer methods in biomechanics and biomedical engineering
Volume	22
Issue number	13
DOIs	https://doi.org/10.1080/10255842.2019.1627524
Publication status	Published - 3 Oct 2019

Keywords

FEA
manufacturing tolerances
mismatch
total hip arthroplasty
wear

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10.1080/10255842.2019.1627524Licence: CC BY-NC-ND

Bitter-2019-The-effects-of-manufacturing-toleraFinal published version, 2.92 MBLicence: CC BY-NC-ND

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abstract = "Fretting and corrosion at the taper-head interface in total hip arthroplasty has been reported as a potential cause of early failure of the implant system. The finite element (FE) method can be used to study the mechanics at the taper junction that are difficult to assess experimentally. Taper mismatch is one of the factors that can influence the performance of the taper junction. In this study we have assessed the effect of taper mismatch, in combination with assembly force on the volumetric wear. The study showed that higher assembly forces and smaller mismatches result in the least volumetric wear.",

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The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty. / Bitter, Thom; Khan, Imran; Marriott, Tim et al.

In: Computer methods in biomechanics and biomedical engineering, Vol. 22, No. 13, 03.10.2019, p. 1061-1072.

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

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AU - Janssen, Dennis

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AB - Fretting and corrosion at the taper-head interface in total hip arthroplasty has been reported as a potential cause of early failure of the implant system. The finite element (FE) method can be used to study the mechanics at the taper junction that are difficult to assess experimentally. Taper mismatch is one of the factors that can influence the performance of the taper junction. In this study we have assessed the effect of taper mismatch, in combination with assembly force on the volumetric wear. The study showed that higher assembly forces and smaller mismatches result in the least volumetric wear.

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The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty

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