Coated joint endoprosthesis

Details Coated joint endoprosthesis Coated joint endoprosthesis

2006-02-28

2006-02-28

Isabella, David J. (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S023360, C623S023570, C623S018110, C428S472000

Reexamination Certificate

active

07004975

ABSTRACT:
Joint endoprostheses are provides which respectively have a joint part with a metallic core, wherein the metallic core is coated, in regions that roll and/or slide on another joint part during execution of the joint function, with a glass-ceramic composite mixture. In one embodiment, the glass-ceramic has the following composition with approximate amounts in wt. %:ComponentAmount (wt %)SiO245–50%Al2O315–20%ZrO2 8–12%K2O0–8%Na2O  0–7.5%CaO  0–2.5%TiO2  0–1.5%and furthermore a residual amount of up to about 12.5% of MnO2and/or Fe2O3and/or Co2O3.

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