Principles of Fizeau interferometer in low-weared ceramic total hip endoprothesis

Michal Pochmon; Tomáš Rössler; Dušan Mandát; Jiří Gallo; Miroslav Hrabovský

doi:10.1117/12.822379

20 November 2008 Principles of Fizeau interferometer in low-weared ceramic total hip endoprothesis

Michal Pochmon, Tomáš Rössler, Dušan Mandát, Jiří Gallo, Miroslav Hrabovský

Proceedings Volume 7141, 16th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 71410Y (2008) https://doi.org/10.1117/12.822379
Event: 16th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2008, Polanica Zdroj, Poland

Abstract

The purpose of the paper is to describe the measurement of shape of ceramic insert of coxal implant. In contrast to polyethylene inserts, the ceramic inserts suffer very low wear during its usage, just about micrometers per year. It is necessary to use coherence optical methods to sensitive enough to measure such small deformation. The contribution describes principles of interferometry, the construction of experimental setup using Fizeau interferometer and discusses the qualitative results of measurement of low-weared ceramic inserts of hip endoprothesis. These results will be used to compare the wear of polyethylene and ceramic endoprothesis inserts and to create a statistic file of ceramic inserts wear. This statistic file will be used to compare the wear of each ceramic insert with the age, gender, condition, way of life and etc. of patients, who were using these implants.

Citation Download Citation

Michal Pochmon, Tomáš Rössler, Dušan Mandát, Jiří Gallo, and Miroslav Hrabovský "Principles of Fizeau interferometer in low-weared ceramic total hip endoprothesis", Proc. SPIE 7141, 16th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 71410Y (20 November 2008); https://doi.org/10.1117/12.822379

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KEYWORDS

Ceramics

Glasses

Optical spheres

Fizeau interferometers

Interferometers

Beam splitters

Interferometry

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