A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/30 (2006.01) A61C 8/00 (2006.01) A61K 6/04 (2006.01) A61L 27/04 (2006.01) A61L 27/06 (2006.01) A61L 27/30 (2006.01) A61L 27/50 (2006.01) C23F 1/26 (2006.01)
Patent
CA 2693478
The invention relates to a method for modification of a biocompatible component comprising the steps of a) providing a biocompatible component at least partly covered by metallic oxide; and b) treating at least a part of said component, which part is covered by said metallic oxide, with an aqueous composition comprising oxalic acid; whereby a modified metallic oxide is obtained. The invention also relates to a biocompatible component comprising a substrate having a surface comprising a) a microstructure comprising pits separated by plateus and/or ridges; and b) a primary nanostructure being superimposed on said microstructure, said primary nanostructure comprising depressions arranged in a wave-like formation.
La présente invention concerne un procédé de modification d'un composant biocompatible comprenant les étapes consistant à : a) obtenir un composant biocompatible au moins partiellement couvert d'un oxyde métallique ; et b) traiter au moins une partie dudit composant, qui est couverte par ledit oxyde métallique, avec une composition aqueuse contenant de l'acide oxalique, ce qui permet d'obtenir un oxyde métallique modifié. L'invention porte aussi sur un composant biocompatible comprenant un substrat doté d'une surface comportant : a) une microstructure pourvue de puits séparés par des plateaux et/ou des nervures ; et b) une nanostructure primaire superposée sur ladite microstructure, ladite nanostructure primaire présentant des dépressions disposées de manière à donner un aspect ondulé.
Fredriksson Anette
Petersson Ingela
Astra Tech Ab
Fetherstonhaugh & Co.
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