Issue 15

D. Kytyr e

t alii, Frattura e

d Integrità Strut

turale, 15 (201

1) 5-13; DOI: 10

.3221/IGF-ESIS.

15.01

E of

xperim cemen

ental an ted bon

d num e-impl

erical st ant inte

udy rface b

ehaviou

r

D. Cz 25, xky O. Ac Pra jiro D. Ch dav

Kytyr, T. ech Technical 110 00 Prag tyr@fd.cvut. Jirousek, ademy of Sci gue 9 usek@itam.c Pokorny arles Universi id.pokorny@ STRACT . A eases and d of the re ment layer n investigat sample of ection and favorable ac s monitored us source a pagation bo YWORDS . B

Doktor University in ue 1 cz, xdoktor@f P. Zlamal ences of the as.cz, zlamal@

Prague, Facu d.cvut.cz

lty of Transpo

rtation Scienc

es, Departmen

t of Mechanic

s and Materia

ls, Na Floren

ci

Czech Repub itam.cas.cz

lic, Institute

of Theoretica

l and Appl

ied Mechanics

, Prosecka´ 7

6, 190 00

ty, Faculty of lf1.cuni.cz

medicine, Ort

hopaedic Clin

ic, V Uvalu 8

4, 150 06 P

rague 5

lthough the isorders of t search was degradation ed using a c pelvic bone magnitude tivity (down by repeated nd large hig th in the ce one-cement

total hip he human h to investiga and bone-c ustom hip with impla was applied stairs walk scanning u h-resolutio ment layer a interface; H

replacemen ip, the surg te the cem ement inter simulator. T nted cemen to the im ing) was sim sing high re n flat panel nd the trab ip simulato

t (THR) is ery brings s ented bone face debond he experim ted acetabu plant using ulated. The solution mi detector all ecular bone r; µCT; Cra

a long-pro ome risk of -implant in ing) during ental setup w lar compon a spherical process o cro Compu ows investi . ck detection .

ven method long-term terface beha physiologic as designe ent. The hip femoral co f damage ac ted Tomogr gation of st

of surgica instability o vior. The al loading c d to allow c contact fo mponent h cumulation aphy (µCT) ructural cha

l treatment f the joint. T main proble onditions h yclic loading rce of requ ead. The m in the fixat . Use of mic nges and cr

of he ms ave of ired ost ion ro ack

A B dis aim (ce bee the

dir un wa

foc pro

K E

I N T

TRODUCTIO

N

otal hip procedu convent

arthroplasty re that has i ional medica

or surgical mproved the l therapy. Suc

replacement managemen cess of the t

of the hip t of those di reatment can

joint with a seases of the be disturbed

n artificial p hip joint th by several c

rosthesis is at have resp auses, beside

a reconstruc onded poorl s the insuffic

tive y to ient

5