Three Dimensional Measurement of the Surface Topography of Ceramic and Metallic Orthopedic Joint Prostheses

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Abstract

The comprehensive study of surface topography of the orthopaedic joint prostheses has become very important for analysis of the wear mechanism and the performance life of the joint replacement systems. The aim of the study to investigate ″best″ methods for the three-dimensional (3D) surface metrology of orthopaedic joint prostheses. Characterization techniques for the identification and evaluation of the functional features of the bearing surface topographies has been provided in previous work. This paper concentrates on addressing issues of measurement and application techniques for assessment of the 3D surface topography of the joint replacement systems by using contacting stylus instruments, atomic force microscopes (AFM), and non-contacting measurement supported by focus detection instruments and phase-shifting interferometers. The techniques are discussed according to different analysis requirements of the orthopaedic joint prostheses. This work also discusses the performances of the instruments in terms of the measurements of femoral heads. Finally, recommendations for acceptable measurement techniques and application for analyzing surface topography of orthopaedic joint prostheses are summarized. (C) 2000 Kluwer Academic Publishers.

LanguageEnglish
Pages235-246
Number of pages12
JournalJournal of Materials Science: Materials in Medicine
Volume11
Issue number4
DOIs
Publication statusPublished - Apr 2000

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Joint prostheses
Joint Prosthesis
Orthopedics
Ceramics
Surface topography
Replacement Arthroplasties
Bearings (structural)
Thigh
Interferometers
Microscopes
Wear of materials

Cite this

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abstract = "The comprehensive study of surface topography of the orthopaedic joint prostheses has become very important for analysis of the wear mechanism and the performance life of the joint replacement systems. The aim of the study to investigate ″best″ methods for the three-dimensional (3D) surface metrology of orthopaedic joint prostheses. Characterization techniques for the identification and evaluation of the functional features of the bearing surface topographies has been provided in previous work. This paper concentrates on addressing issues of measurement and application techniques for assessment of the 3D surface topography of the joint replacement systems by using contacting stylus instruments, atomic force microscopes (AFM), and non-contacting measurement supported by focus detection instruments and phase-shifting interferometers. The techniques are discussed according to different analysis requirements of the orthopaedic joint prostheses. This work also discusses the performances of the instruments in terms of the measurements of femoral heads. Finally, recommendations for acceptable measurement techniques and application for analyzing surface topography of orthopaedic joint prostheses are summarized. (C) 2000 Kluwer Academic Publishers.",
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