Ceramic manufactures

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B - Operations, Transporting

28

B

B28B 1/00 (2006.01) A61F 2/38 (2006.01) A61F 2/42 (2006.01) A61F 2/44 (2006.01) B28B 11/08 (2006.01) C04B 35/10 (2006.01) C04B 35/48 (2006.01)

Patent

CA 2517623

A ceramic body can be made by a method that includes providing an initial green body of ceramic (520/521); and machining the initial green body to provide a machined green ceramic body (530). The machined green ceramic body may be fired to provide a more finished ceramic body (540) and/or further processed to provide a finally finished ceramic body (550). As illustrations of the many possible, the ceramic body can be a femoral component (100) for a posterior stabilized knee implant or component body (101) for an artificial rotation device containing knee prosthesis. Zircona ceramic bodies are advantageously provided.

L'invention concerne un procédé de fabrication de corps céramique, qui comporte les étapes consistant à : prévoir un corps initial de céramique crue (520/521) ; et usiner le corps cru en vue d'obtenir un corps céramique cru usiné (530). Le corps céramique cru usiné peut être cuit afin de former un céramique (540) plus fini et/ou traité pour former un corps céramique fini (550). Le corps céramique peut être, entre autres, un composant fémoral (100) pour implant de genou stabilisé côté postérieur, ou un corps constitutif (101) de prothèse de genou contenant un dispositif de rotation artificiel. L'invention prévoit avantageusement des corps céramiques contenant de la zircone.

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