Calcium phosphate coated implantable medical devices, and...

A - Human Necessities – 61 – L

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Details

A61L 31/08 (2006.01) A61L 27/32 (2006.01) C25D 13/02 (2006.01) C25D 13/14 (2006.01) C25D 13/20 (2006.01)

Patent

CA 2655389

This invention relates to novel calcium phosphate coated implantable medical devices, and electrophoretic deposition processes for making same. A process of coating an implantable medical device with a calcium phosphate coating comprising: (a) pretreating a substrate with an alkaline solution; (b) preparing a slurry comprising a solvent and a defined size range of calcium phosphate particles; (c) immersing the pretreated substrate in the slurry; and (d) coating the calcium phosphate particles onto the pretreated substrate by electrophoretic deposition.

La présente invention concerne de nouveaux appareils médicaux implantables recouverts de phosphate de calcium et des méthodes de dépôt électrophorétique pour les réaliser. Une méthode pour recouvrir un appareil médical implantable d'une couche de phosphate de calcium consiste à : (a) prétraiter un substrat avec une solution alcaline; (b) préparer une suspension qui comprend un solvant et une fourchette de tailles définies de particules de phosphate de calcium; (c) immerger le substrat prétraité dans la suspension; et (d) recouvrir le substrat prétraité des particules de phosphate de calcium par dépôt électrophorétique.

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