C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 14/58 (2006.01) A61C 8/00 (2006.01) A61F 2/30 (2006.01) C23C 14/18 (2006.01) C23C 14/24 (2006.01) C23C 14/48 (2006.01)
Patent
CA 2546238
The invention relates to a method of producing medical prostheses or implants having a surface microroughness and/or an induced oxide layer, comprising a treatment involving the ionic implantation of controlled amounts of elements such as CO, C, H, N or O in endosseous implants or prostheses produced from metals, metal alloys or biocompatible composite materials. The surface treatment causes changes in the surface characteristics of the endosseous implants or prostheses in terms of nanoroughness, hydrophilic properties and chemical composition, significantly increasing the degree of osseous integration thereof.
L'invention concerne un procédé d'obtention d'implants ou de prothèses médicales présentant une microrugosité superficielle et/ou une couche induite d'oxyde, et soumis à un traitement d'implantation ionique de quantités contrôlées d'éléments tels que CO, C, H, N ou O dans des implants endo-osseux ou des prothèses faits de métaux, alliages métalliques ou matériaux composites biocompatibles. Ce traitement superficiel induit des modifications des caractéristiques de la surface des implants endo-osseux ou des prothèses par rapport à sa nanorugosité, ses propriétés hydrophiles et sa composition chimique augmentant de manière significative son degré d'intégration osseuse.
Alava Marquinez Jose Inaki
Braceras Izaguirre Inigo
de Maeztu Martinez Miguel Angel
Garcia Luis Alberto
Onate Dela Presa Jose Ignacio
Lifenova Biomedical S.a.
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
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