Experimental Investigations on the Structural-Osteoinductive Properties of Porous Coatings on Orthopaedic Implants

• Autorzy: Uklejewski, R. , Winiecki, M. , Mielniczuk, J. , Auguściński, A. , Rogala, P.
• Konferencja: International Conference Computer Simulation in Machine Design - COSIM 2006 (11 ; 2006 ; Krynica Zdrój, Poland)
• Języki publikacji: EN

Abstrakty

EN

The adaptive bone tissue ingrowth into the pore space of a porous coating on orthopaedic implants is influenced by the structural-osteoinductive properties of this coating. The effective bone tissue ingrowth determines the proper fixation of the porous implant in its bony surroundings. The adequate evaluation of the structural-adaptive compatibility of bone-implant interface can be performed on the basis of the two-phase poroelastic biomechanical model of bone tissue and of implant porous coatings with the set of original parameters characterizing the poroaccessibility of implant porous coatings: the effective volumetric porosity φ_Vef, the index of the porous coating space capacity V_PM, the effective pore depth ρ_def, the representative surface porosity φ_Srep, the representative pore size ρ_Srep, the representative angle of the poroaccessibility Ω_rep, the index of the enlargement of the adhesive surface of bone-implant interface Ψ, which is proposed in (Mielniczuk et al., 2006; Winiecki et al., 2006; Uklejewski et al., 2005a and 2005b; Winiecki, 2006) to the biostructural evaluation of the porous coated orthopedic implants. This paper presents the results of experimental investigations of the microgeometrical properties of implants porous coatings made with contact profile measurement on the representative examples of endoprostheses stems.

Słowa kluczowe

PL

implanty; implanty ortopedyczne; tkanka kostna; powłoki porowate; endoproteza; połączenie kość-implant; zgodność biomechaniczna

EN

implants; orthopedic implants; bone tissue; porous coatings; endoprosthesis; bone-implant bounding; biomechanical compatibility

• Czasopismo: Machine Dynamics Problems
• Rocznik: 2006
• Tom: Vol. 30, No. 4
• Strony: 171-180
• Opis fizyczny: Bibliogr. 30 poz., il., tab.

Twórcy

autor

Uklejewski, R.

autor

Winiecki, M.

autor

Mielniczuk, J.

autor

Auguściński, A.

autor

Rogala, P.

• Kazimierz Wielki University of Bydgoszcz

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