Process for producing implants and components by direct shaping

Details Process for producing implants and components by direct shaping Process for producing implants and components by direct shaping

A - Human Necessities

61

C

A61C 8/00 (2006.01) A61C 13/00 (2006.01) A61C 13/20 (2006.01)

Patent

CA 2696384

The invention is directed to a process for producing implants and components by direct shaping. It is the object of the invention to provide a possibility for producing implants and/or components while avoiding the disadvantages of the prior art. According to the invention, this object is met by a process for producing implants or components in that a mold is initially produced for the implants or components to be produced, wherein allowance is made for changes in geometry occurring during after-treatment after the implants or components are removed from the mold, and, further, at least partial areas of the mold are provided with a structured surface for transferring this structure to the surfaces of the implants or components, in that the raw material is introduced into the mold, in that after remaining in the mold for a certain period of time the hardened raw material is then removed from the mold, wherein the implants or components have taken on the structured surface of the mold as well as its geometry, and in that the demolded implants or components are finally subjected to any after-treatment that may be necessary.

L'invention concerne un procédé de fabrication d'implants et de composants par formage direct. Elle a pour objet de proposer un moyen de fabriquer des implants et/ou des composants en évitant les inconvénients de la technique antérieure. Cet objet est réalisé par un procédé de fabrication d'implants ou de composants qui consiste en premier lieu à confectionner un moule pour l'implant ou le composant à fabriquer, en tenant compte des variations de la géométrie lors du traitement ultérieur après le démoulage des implants ou des composants et aussi en dotant au moins des zones partielles du moule d'une surface structurée en vue de transférer cette structure sur les surfaces des implants ou des composants, à introduire la matière première dans le moule puis, après un temps de séjour déterminé dans le moule, à démouler la matière première durcie après que les implants ou les composants ont pris la surface structurée du moule en plus de la géométrie de ce dernier, et enfin à soumettre les implants ou les composants démoulés à un post-traitement éventuellement nécessaire.

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