Biomedical Engineering Reference
In-Depth Information
(a)
(b)
(d)
(c)
Figure 14.4
Canine hip stems illustrating the evolution of design concepts for the Epoch isoelastic hip implant.
(a) Generation 0: Carbon-fiber-reinforced polysulfone. (b) Generation 1: Carbon-fiber-reinforced polysulfone core
with polysulfone skin. (c) Generation 2: Polysulfone core, PAEK skin, and Ti fiber metal porous coating. (d) Generation
3: Pultruded, bent CFR-PAEK core, PAEK skin, and Ti fiber metal porous coating. (e) Generation 4: CoCr core,
PAEK skin, and Ti fiber metal porous coating, simulating the Epoch I stem. Images courtesy of Michael Hawkins,
Zimmer Inc.
