Spinal cord stimulation lead with an anode guard

   
   

The present invention relates to an epidural stimulation lead having at least one electrode that substantially encircles another electrode. Operatively, the encircling electrode can be set as an, anode and the encircled electrode can be set as a cathode to generate an electrical field therebetween. The encircling electrode functions in this capacity as an anode guard, which among other things, concentrates the electrical field about the designated cathode and limits the lateral range of a generated electrical field.

La actual invención se relaciona con un plomo epidural del estímulo que tiene por lo menos un electrodo que cerque substancialmente otro electrodo. Operativo, el electrodo de cerco se puede fijar como, ánodo y el electrodo cercado se puede fijar como cátodo para generar un campo eléctrico therebetween. El electrodo de cerco funciona en esta capacidad como un protector del ánodo, que entre otras cosas, concentra el campo eléctrico sobre el cátodo señalado y limita la gama lateral de un campo eléctrico generado.

 
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