Izvestiya of Saratov University.

Mathematics. Mechanics. Informatics

ISSN 1816-9791 (Print)
ISSN 2541-9005 (Online)

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Nikitsin A. V. Biomechanical Assessment of the Bone Ingrowth Effect During Cementless Endoprosthesis Osteointegration. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, 2013, vol. 13, iss. 4, pp. 90-96. DOI: 10.18500/1816-9791-2013-13-4-90-96

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Biomechanical Assessment of the Bone Ingrowth Effect During Cementless Endoprosthesis Osteointegration

Nikitsin Andrei Victorovich, Belarusian State University, Minsk, Belarus

Finite elementmodel of porous titaniuminserts for cementless endoprosthesis was reconstructed usingX-ray tomography. The stress distribution is calculated for a model with open-cell foam and composite bone / titanium. The results explain the mechanism of the porous structure destruction and positive influence of the osteointegration effect on the strength properties. Numerical calculations are confirmed by experimental data of the porous samples during compression testing. It is shown that changes in mechanical properties of porous titanium due to process of bone ingrowth is a topical area for biomechanical research.

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