endo2

60

50 -

46. r

□    belore implantation

□    stem materiał: CoCrMo O stem materiał: Ti6Al4V

B stem materiał: Ti35Nb5Ta7Zr

40

oT

0-

—    30

X £

S

^ 20 -

10 -

36.9

i

38.5

39.7

I

33.3

I

35.1

-37.7-

31.6 31.9 31.9

with Weller stem

with Centr. stem

healthy femoral bonę

with Centega stem

Fig. 8. Maxiinal values of reduced stress [MPa] in the area of cortical bonę in the model of healthy femur and after implantation of Weller. Centrament and Centega cement prostlieses for clifferent materials of implant stem