Medical implant device for electrostimulation using discrete...

A - Human Necessities – 61 – N

Patent

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A61N 1/05 (2006.01)

Patent

CA 2398962

An improved medical implant device is provided which has a plurality of micro- electrodes. The use of a plurality of micro-electrodes allows a clinically effective electrical stimulation pathway to be selected once the implant is positioned within or adjacent to the tissue to be treated even if the implant is not optimally placed or located. Thus, in cases where the implant is not optimally placed, it is not necessary to remove the implant and then reposition it within or adjacent to the tissue to be treated, thereby reducing stress to the patient caused by additional surgery. Moreover, using the micro-electrodes of this invention, directional electrostimulation can be provided to the tissue to be treated. Implant devices with a plurality of micro-electrodes are provided which are especially adapted for use in reducing the frequency and/or severity of neurological tremors. Other implant devices having micro-electrodes are provided which are especially adapted for electrostimulation and/or electrical monitoring of endo-abdominal tissue or viscera.

L'invention concerne un dispositif d'implant médical amélioré qui présente une pluralité de micro-électrodes. Le fait d'utiliser une pluralité de micro-électrodes permet de sélectionner un mode de stimulation électrique efficace sur le plan clinique, une fois que l'implant est positionné à l'intérieur du tissu à traiter ou de manière adjacente audit tissu, ce qui diminue la tension nerveuse suscitée chez le patient par tout acte chirurgical supplémentaire. De plus, l'utilisation des micro-électrodes permet d'assurer au tissu à traiter une électrostimulation directionnelle. L'invention concerne des dispositifs d'implant comportant une pluralité d'électrodes, qui sont tout particulièremetn adaptés pour réduire la fréquence et/ou la gravité de tremblements neurologiques. L'invention concerne par ailleurs d'autres dispositifs d'implant comportant des micro-électrodes, qui sont tout particulièrement adaptés à l'électrostimulation et/ou à la surveillance électrique du tissu endo-abdominal ou des viscères.

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