| abstract |
Method for obtaining a ceramic body for a prosthetic implant or a component of a Mg-TTZ ceramic prosthetic implant from a powder that is a monoclinic zirconium oxide having magnesium oxide as a stabilizer, which method comprises: providing a body Initial uncooked ceramic cake type having a powder ceramic material (10), which is a monoclinic zirconium oxide having magnesium oxide as a stabilizer, compress the material into its powdered form by an operation (1, 2, 3 , 18, 19) in a cold isostatic press to form an unprocessed initial uncooked body (520), and then heat the unprocessed initial pressed uncooked body to a sponge cake phase (4) to obtain the body (521 ) initial uncooked sponge cake type; and, after carrying out the previous stages without using an additional binder to the ceramic powder material, carrying out the following additional steps: machining the body (521) initial uncooked sponge cake type to obtain an uncooked ceramic body (530) of the machined cake type, so that the uncooked ceramic body of the machined cake type has a conformation that is an essentially analogous precursor form, being of the same proportions as, the shape of, the ceramic part of a prosthetic implant of a body ceramic or a component (540, 550) of prosthetic implant, finished, predetermined, cooked but larger; and then cooking the uncooked ceramic body (6, 38, 39) of the machined sponge cake type to obtain a product of a cooked Mg-TTZ ceramic body, which is the same size and shape or essentially the same size and shape as the part ceramic of the ceramic body prosthetic implant or of the prosthetic implant component, finished, predetermined, cooked. |