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US 2012/0306121 A1Published application
Ceramic metal composite for orthopaedic implants
AssigneeSmith & Nephew, Inc.
InventorsShilesh C. Jani, Vivek Devidad Pawar, Carolyn L. Weaver
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Abstract
The invention relates to an orthopaedic implant made of a ceramic metal composite. The composite includes one phase that is a biocompatible metal or metal alloy and a second phase of ceramic particles examples of which include carbides, nitrides and/or oxides. In some embodiments, the implant comprises a homogeneous ceramic layer as part of a multilayered composition. In some embodiments, the multilayered composition comprises a homogeneous metal layer.
Claims9
-20. (canceled)
A method of making an orthopaedic implant component having a graded composition, comprising the steps of:
- mixing powders of ceramic components and metal components to desired ratios to form a first mixture;
- mixing powders of ceramic components and metal components to desired ratios to form a second mixture;
- or more additional mixtures on said first layered mixture;
- and,
- sintering said first layered mixture or sintering a combination of said first layered mixture and said one or more additional mixtures.
2 more elements
Dependencies are inferred from the claim text.