Biomedical Engineering Reference
In-Depth Information
Table 7.1 Ceramic materials currently used or under development for bearing applications in total hip arthroplasty (THA) and total knee
arthroplasty (TKA)
Material
Articulation
Clinical
Representative
Trade name
Availability
applications
manufacturers
Al 2 O 3
Ceramic±ceramic;
THA; TKA
CeramTec, Metoxit, Kyocera,
Biolox;
Yes
ceramic±poly
Ceraver, Morgan Matroc
Biolox forte
No a
Y-TZP
Ceramic±poly
THA; TKA
Desmarquest, Kyocera, Metoxit,
±
Morgan Matroc
Mg-PSZ
Ceramic±poly
THA; TKA
Xylon, Signal, Biopro
Ziralloy
Yes
ZTA
Ceramic±ceramic;
THA; TKA
CeramTec
Biolox delta
Yes
ceramic±poly
MC 2
No b
Si 3 N 4
Ceramic±ceramic;
THA; TKA
Amedica
ceramic±poly;
ceramic±metal
Oxidized
Ceramic±poly
THA; TKA
Smith & Nephew
Oxinium
Yes
zirconium
Diamond-like
No c
Ceramic±ceramic
THA
Diamicron
±
coating
Material: Al 2 O 3 alumina; Y-TZP yttria-stabilized tetragonal zirconia polycrystals; Mg-PSZmagnesia partially stabilized zirconia; ZTA zirconia toughened
alumina.
Articulation: polyultra-highmolecular weight polyethylene (UHMWPE), or crosslinked polyethylene.
Availability: a Withdrawn from USmarket.Y-TZP containing small quantities of oxides such as Al 2 O 3 is available inJapan and in Europe; b in process of approval for
clinical applications; c in development for clinical applications.
 
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