Oxinium
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Transcript of Oxinium
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Ceramic What is ceramic
ceramic materials used in total joints belong to a class of materials called oxide ceramic
The aluminum oxide appears in three forms :
a. gems
b. surgical grade ceramic
c. pottery
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Medical grade ceramic Advantages and risks
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Alumina ceramic Modern (third generation) alumina ceramic is composed
of very small crystals of aluminium oxide
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Zirconia toughened alumina (ZTA) ceramic ZTA ceramic is combinations in microseparation
simulator studies consistently showed lower wear than the alumina used as historical control
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Zirconica ceramic Is one of the highest-strengh ceramics suitable for
medical use
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OxiniumCreate a thin layer of zirconium oxide on the surface of the
solid zirconium metal
Oxinium materials for total hips
Oxinium for total knee prosthesis
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Ceramic for total kneesUse for total knee joints is hampered by two facts :
The total knee joints have not congruent joint surfaces
The femoral component that would sustain the stresses that occur during walking in the knee
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Other ceramic materials Hydroxyapatite coating
Other osteoinductive substances