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Proceedings Article

Verification of abrasion measurement of juncture implants using Fourier profilometry

[+] Author Affiliations
Michal Pochmon, Dušan Mandát, Miroslav Hrabovský

Joint Lab. of Optics of Palacky Univ. and Institute of Physics (Czech Republic)

Tomáš Rössler, Jiří Gallo

Palacky Univ. (Czech Republic)

Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 660919 (April 12, 2007); doi:10.1117/12.739674
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From Conference Volume 6609

  • 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics
  • Miroslav Miler; Dagmar Senderáková; Miroslav Hrabovský
  • | May 02, 2007

abstract

Three dimensional measurements have great use today and it is quite large and important part of the experimental physics. These methods are also used in biomedicine for measuring the abrasion of juncture implants, coxal cotyles and knees. These implants are under stress in the patient's body and therefore they change their shape and waste some material. This waste is a key parameter for examination of quality of the given type of implant. The surface of the used implant is measured and compared with unused one. This comparison gives possibility to enumerate the waste of material of implant. One of the three dimensional optic measurement methods is Fourier profilometry, based on the analysis of harmonic structure projected on the surface of the measured object. It is profilometric method; it means that the surface of measured object is specified in every point of result. Fundamentals of Fourier profilometry, its features and used experimental setup are described in the beginning of the paper. The results of such measurement lead to enumerate the waste of material of implant. The purpose of this contribution is the verification of used method to measure the waste of material of implant. Its principle lies in artificial abrasion made by cutting tool, so the abrasion is defined and known. The surface of the implant is measured before and after this machining and the waste of material of implant is enumerated. This value is compared with an actual waste of material.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Michal Pochmon ; Tomáš Rössler ; Dušan Mandát ; Jiří Gallo and Miroslav Hrabovský
"Verification of abrasion measurement of juncture implants using Fourier profilometry", Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 660919 (April 12, 2007); doi:10.1117/12.739674; http://dx.doi.org/10.1117/12.739674


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