Implantation of hip and knee endoprotheses for injured human joints is more and more common surgical operation .Extremely high wear resistance of materials used for movable elements of endoprotheses is required.There is also a distinc effect of wear products on the disease changes in system: osseous tissue-acetabular cup.Harding the wear resistance.results of the accounts of stress and strain distribution in the system:'head-acetabular cup' have been presented. Influence of the load (body Weight) on stress and strain distribution has been shown.
W artykule omowiono implanty endoprotez w układzie 'głowa endoprotezy-panewka ' i wpływ rodzaju materiału z jakiegosą one wykonane . Przedstawiono także obciążenia i odkształcenia tychże materiałów .