A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 8/00 (2006.01) A61L 27/42 (2006.01) A61L 27/54 (2006.01) B22F 3/08 (2006.01) B22F 3/087 (2006.01) C22C 32/00 (2006.01)
Patent
CA 2470729
A device, for example in the form of an implant, is arranged to be applied via at least one surface or one portion (for example an outer portion) to bone and/or tissue in the human body. An agent which stimulates bone growth, in the form of HA, is used in connection with the device. The device, the surface or the portion comprises or consists of compressed bone-compatible and/or tissue- compatible material in the form of titanium powder. The titanium powder is mixed with the agent, which is also in powder form, and a composite material is formed with the two powders by means of impact compaction. The invention also relates to a method and use in connection with devices of the type in question. A novel type of HA use is made possible and eliminates, inter alia, the disadvantages of loosening HA layers during production of the device.
L'invention concerne un dispositif, par exemple un implant, destiné à être fixé sur l'os et/ou les tissus du corps humain via au moins une surface ou partie (par exemple une partie extérieure) de ce dispositif. Un agent de stimulation de la croissance osseuse, se présentant sous la forme d'hydroxyapatite (HA), est associé au dispositif. La surface ou partie du dispositif comprend un matériau comprimé compatible avec les os et/ou les tissus sous forme de poudre de titane. La poudre de titane est mélangée audit agent, lequel est également sous forme pulvérulente. Un matériau composite est formé à partir des deux poudres par compactage. L'invention concerne par ailleurs un procédé d'utilisation associé aux dispositifs précités. Une nouvelle utilisation de HA permet d'éliminer, entres autres, les inconvénients du relâchement des couches de HA pendant la fabrication du dispositif.
Andersson Matts
Eriksson Mikael
Fetherstonhaugh & Co.
Nobel Biocare Ab (publ)
LandOfFree
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