National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Měření otěru kyčelního implantátu metodou Fourierovské profilometrie s užitím postupného vykreslení mřížky
Pochmon, Michal ; Rössler, T. ; Mandát, Dušan ; Hrabovský, Miroslav ; Gallo, J.
Contribution is focused on possibility of using Fourier profilometry for measuring of the abrasion of cotyle implant, which is caused by using in the patient´s body. The projected optical structure in Fourier profilometry is sinusoidal pattern. The results showed, that sinusoidal pattern is not optimal optics structure to get sufficiently precise results. Instead of it, the linear pattern made by sequential drawing of linear strips can be used.
Analysis of abrasion of cotyles
Mandát, Dušan ; Nožka, Libor ; Hrabovský, Miroslav
The 3D optical scanning topography is one possible method of an analysis of the cotyle deformation. The object of this experiment is to quantify the decrease of cotyle material. The scanning object is polyethylene coxa cotyle ABG1.The cotyle is a plastic fossette surounded with metal cage, which is connected with a coxa of the patients. Due to use the deformation of the surface arise.

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