Issue 15

D.

Kytyr et alii, Fra

ttura ed Integrit

à Strutturale, 15

(2011) 5-13; D

OI: 10.3221/IGF

-ESIS.15.01

one loc lab

is shown in ation is in ac rum.

Fig. 11b. C cord with th

omparing F e results obt

ig. 11a and ained from F

Fig. 11b the E analysis -

direction of stress field

crack propa with its maxi

gation is cle mum in regi

arly visible. on of acetab

The ular

R E

SULTS

H

igh re depth testing

solution mo were develo is depicted e segment of cordance wit m – the crack

dels based o ped. Visualis in Fig. 10. T the model o h the result is observab

n a sequence ation of the he significan f the loaded s obtained b le in the same

of 1100 slic pelvis with t damage an pelvis. A pla y the FE an region (sho

es with reso implantated d direction o ce with initia alysis – stre wn in Fig. 11

lution 2368 acetabular co f crack prop lized crack w ss field with ).

× 2240 px a mponent be agation in in as found at t its maximu

nd 16 bit co fore mechan ner structur he bone-cem m in region

lor ical e is ent of

obs inte ace

ervable in th rface. In ac tabular labru

(a) intact nstructed slic deb

(b region of a rface (blue cir

) damaged cetabular labr cle).

F igure 11 : Reco

es of acetabu onding of bon

lum; crack in e-cement inte

um (red circl

e);

C O

NCLUSION S

T

his stud large ph These m eculae dama mb ling and ration, moti sistent with

y shows pos ysical dimen odels are sui ge and tota smeared crac ons and con clinically obs

sibilities of m sions and mi table for inv l hip joint re ks – has bee secutive loos erved degrad

odern X-ray cro-focus sou estigation of placement b n found to b ening of the ation process

imaging tec rce allows fo structural ch ehaviour. A e at the bone implant can .

hniques. Use r reconstruc anges caused failure in ce -cement inte be observed

of high res tion of full-s by osteopor mented acet rface, based by this meth

olution flat p cale micro-st osis as well a abular impla on a new hip od. The failu

anel detecto ructural mod s for research nt – debond simulator st re mechanism

r of els. of ing, udy. is

trab cru Mig con

A C

KNOWLEDG

EMENT

Sci T

No. rch of

he resea SGS10/ plan of

rch has bee 218/OHK2/ the Ministry Czech Repub

n supported 2T/16), by t of Educatio lic AV0Z207

by Grant A he Grant Ag n, Youth an 10524.

gency of th ency of the C d Sports MS

e Czech Te zech Repub M68407700

chnical Univ lic (grant No 43 and resea

ersity in Pr . P105/10/2 rch plan of

ague (grant 305), by resea the Academy

ences of the

R E [1]

FERENCES

G. Bergman (2001) 859.

n, G. Deuret

zbacher, M.

Heller, F. Gr

aichen, A. Ro

hlmann, J. S

trauss, G. Du

da, J. of Bio

mechanics, 3

4(7)

12

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