Electro-nerve stimulator systems and methods

A - Human Necessities – 61 – N

Patent

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A61N 1/36 (2006.01)

Patent

CA 2324540

An electro-nerve stimulator system (11) includes a pulse generator (10) for generating current pulses with a transcutaneous patch (14) and percutaneous needle (12) for delivering current pulses to selected stimulation sites. The stimulator is a small battery operated external device that allows adjustment of stimulation levels and interfaces, via a connector, to the trans-percutaneous cable. The transcutaneous electrode (14) is attached to the skin distal from the desired stimulated nerve site. A percutaneous needle (12) is inserted close to the internal nerve site. Stimulation current pulses are designed to flow between the transcutaneous electrode and the internal percutaneous needle. The field generated at the needle site causes the nerve to fire.

L'invention concerne un système de neurostimulateur (11) électrique comprenant un générateur d'impulsions (10) de courant destiné à générer des impulsions, et couplé à un timbre (14) transcutané et à une aiguille transcutanée (12) destinée à délivrer des impulsions à des sites de stimulation sélectionnés. Le stimulateur est un dispositif externe fonctionnant avec une petite batterie, qui permet le réglage des niveaux de stimulation et sert d'interface, via un connecteur, avec le câble trans-percutané. L'électrode transcutanée (14) est fixée à la peau, distante du site nerveux stimulé désiré. Une aiguille transcutanée (12) est insérée à proximité du site nerveux interne. Des impulsions de courant de stimulation sont conçues pour passer de l'électrode transcutanée à l'aiguille percutanée interne. Le champ généré au niveau de l'aiguille fait décharger le nerf.

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