Optimum surface texture geometry

Details Optimum surface texture geometry Optimum surface texture geometry

C - Chemistry, Metallurgy

23

C

C23C 14/14 (2006.01) A61L 31/08 (2006.01) A61N 1/05 (2006.01) C23C 14/02 (2006.01) C23C 14/22 (2006.01)

Patent

CA 2699085

A surface geometry for an implantable medical electrode that optimizes the electrical characteristics of the electrode and enables an efficient transfer of signals from the electrode to surrounding bodily tissue. The coating is optimized to increase the double layer capacitance and to lower the after-potential polarization for signals having a pulse width in a pre-determined range by keeping the amplitude of the surface geometry with a desired range.

L'invention concerne une géométrie de surface pour une électrode médicale implantable qui optimise les caractéristiques électriques de l'électrode et permet un transfert efficace de signaux depuis l'électrode vers le tissu corporel environnant. Le revêtement est optimisé pour augmenter la capacité de double couche et pour faire baisser la polarisation de post-potentiel de signaux ayant une largeur d'impulsion dans une plage prédéterminée en conservant une plage souhaitée d'amplitude de la géométrie de surface.

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