A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 8/00 (2006.01) A61F 2/02 (2006.01) A61L 27/06 (2006.01) A61L 27/30 (2006.01) A61L 27/50 (2006.01)
Patent
CA 2491425
The invention relates to a method for treating an implant surface intended for implantation into bone tissue comprising providing fluorine/and/or fluoride on at least a part of the implant surface, and providing, on the implant surface, a microroughness having a root-mean-square roughness (Rq and/or Sq) of <= 250 nm and/or comprising pores having a pore diameter of <= 1 ~m and a pore depth of <= 500 nm. The invention also relates to an implant comprising a surface having the above characteristics.
La présente invention concerne un procédé de traitement de la surface d'un implant destiné à être implanté dans du tissu osseux, ledit procédé consistant à déposer du fluor et/ou du fluorure sur au moins une partie de la surface de l'implant et à former, sur la surface de l'implant, une microrugosité dont la rugosité en moyenne quadratique (R¿q ?et/ou S¿q?) est = 250 nm et/ou qui comprend des pores d'un diamètre de = 1 ?m et d'une profondeur de = 500 nm. Cette invention concerne également un implant comprenant une surface présentant les caractéristiques précitées.
Andersson Fredrik
Ellingsen Jan-Eirik
Hansson Stig
Johansson-Ruden Gunilla
Junemo-Bostroem Kristina
Astra Tech Ab
Fetherstonhaugh & Co.
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