The evaluation of the influence of head implant surface roughness on the wear of UHMWPE cup

• Autorzy: Sedlacek R. , Tuzarova Z.
• Języki publikacji: EN

Abstrakty

EN

The aim of this study was the evaluation of the influence of head surface roughness on the wear of the acetabular component of implant. The experiments were executed for the combination of UHMWPE (Ultra High Molecular Weight Polyethylene) implant cup and metal head of implant with several different surface roughnesses. Testing method was based on Pin-on-Disc principle. Finally the recommendation for head surface roughness was established. The special experiments were carried out in accredited “Mechanical Testing Laboratory” (quality system ISO 17025) in collaboration with the Academy of Sciences of the Czech Republic and company BEZNOSKA Corporation - developing and producing bone-substitute biomaterials and implants.

Słowa kluczowe

EN

implants; head surface roughness; UHMWPE

• Wydawca: Polish Society for Biomaterials in Cracow
• Czasopismo: Engineering of Biomaterials
• Rocznik: 2008
• Tom: Vol. 11, no. 77-80
• Strony: 13--14
• Opis fizyczny: Bibliogr. 5 poz., tab., wykr., zdj.

Twórcy

autor

Sedlacek R.

• Czech Technical University in Prague, Faculty of Mechanical Engineering, Laboratory of Biomechanics, Prague, Czech Republic

autor

Tuzarova Z.

• Czech Technical University in Prague, Faculty of Mechanical Engineering, Laboratory of Biomechanics, Prague, Czech Republic

Bibliografia

• [1] Saikko V., Keränen J.: Wear simulation of Alumina-on-alumina prosthetic hip joints using a multidirectional motion Pin-on-disk device, Journal of American Ceramic Society, 2002, vol. 85, p. 2785-2791.
• [2] Lappalainen R., Santavirta S.: Potential of coatings in total hip replacement, Clinical Orthopaedics and Related Research, 2005, vol. 430, p. 72-79.
• [3] Sedlacek R., Vondrova J.: The Analysis of Crosslink Influence on the Wear Resistance of UHMWPE, Human Biomechanics, Brno 2006, p. 182-183.
• [4] Sedlacek R., Rosenkrancova J.: Experimental Analysis of Tribological Properties of Biomaterials used for Orthopedical Implants. 13th Biennial Conference for the Canadian Society for Biomechanics, Canadian Society for Biomechanics, Halifax, Nova Scotia, Canada, 2004.
• [5] EN 12010 Non-active surgical implants - Joint replacement implants - Particular requirements. 1998.