Modularity and Tapers in Total Joint Replacement Devices 2015
DOI: 10.1520/stp159120140139
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Method for Characterization of Material Loss from Modular Head-Stem Taper Surfaces of Hip Replacement Devices

Abstract: Assessment of the head-stem taper junction requires the estimation of material loss from the taper surfaces of both femoral head and stem. This paper describes a method for the measurement and analysis of material loss from the modular taper junction of hip replacements, in particular femoral stem tapers where generally the entire taper surface has been engaged. In such cases no direct unengaged datum surface is readily identifiable to assess material loss. The highly anisotropic topology of some stem designs … Show more

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Cited by 4 publications
(21 citation statements)
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“…A previously documented and validated method for form removal from taper surfaces was used to remove elliptical and conical form [38]. The study aim was to characterise pre and post-assembly changes to groove morphology, meaning only roughness information was of interest.…”
Section: Discussionmentioning
confidence: 99%
See 3 more Smart Citations
“…A previously documented and validated method for form removal from taper surfaces was used to remove elliptical and conical form [38]. The study aim was to characterise pre and post-assembly changes to groove morphology, meaning only roughness information was of interest.…”
Section: Discussionmentioning
confidence: 99%
“…This is demonstrated by figure 9 below. Head tapers were analysed using a previously developed and validated set of software tools [38]. Data sets underwent a multi-stage form removal process.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…Material loss calculations of retrieved male tapers were within the range 0−0.8 mm 3 and 0.41−25.89 mm 3 for female tapers . Material loss in the Racasan et al 52 study took into account a threaded surface and any "barrelling" or "hogging" form. However, differences in volume loss from other studies and theoretical mismatch in this study are of comparable scale.…”
Section: Male Tapersmentioning
confidence: 99%