National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Kontaktní napěťová analýza působení cementované acetabulární komponenty na pánevní kost
Vyčichl, Jan ; Kytýř, Daniel ; Jírová, Jitka
The article deals with problem of interaction between pelvic bone and cemented acetabular component in light of contact stress distribution in subchondral bone. To solving this problem was creating two EF models. First models is inaccurate implanted in pelvic bone and this model is compared with model with ideal position of acetabular component in the pelvic bone.
Kontaktní napěťová analýza panevní kosti a cementované acetabulární komponenty s imperfekcí v cementové vrstvě
Vyčichl, Jan ; Jiroušek, Ondřej ; Jírová, Jitka
The article deals with creating and analysis of interaction between pelvic bone and cemented acetabular component with imperfection in cement layer. Boundary conditions and loads were defined on contact FE models. Results from contact FE analysis of the model with ideal position of acetabular component were compared whit results from two models with imperfection in cemented layer.
MKP analýza nerovnoměrné cementové vrstvy acetabulární komponenty totální kyčelní endoprotézy
Vyčichl, Jan ; Kunecký, Jiří ; Kytýř, Daniel ; Jírová, Jitka
The article deals with FE contact analysis of interaction between pelvic bone and cemented acetabular component with imperfection in cement layer. Imperfection is thinking as non-uniform cement layer of double types. First type is attenuate cement layer and second type is extrude cement layer with contact between polyethylene cup and pelvic bone. For all this cases there were created contact FE models with defination boundary contitions and loads. This models were used to ascertain the contact stress conditions in the underlying subchondral bone. Results were compared with ideal position of acetabular component in the pelvic bone.
Interakce pánevní kosti a acetabulární komponenty s nerovnoměrnou cementovou vrstvou
Vyčichl, Jan ; Kytýř, Daniel ; Jírová, Jitka ; Jíra, J.
The article deals with contact stress analysis of pelvic bone after implantation of cemented acetabular component with imperfections of cemented layer. 3D high resolution FE model of pelvic bone was created from the sequence of CT–slices. Boolean operations were used for inserting the spherical cemented component. Cemented component was eccentrically inserted into the pelvic bone and that created imperfection as non-uniform cement layer.

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