Patent ID: 7200446
Filing Date: 2007-04-03
Classification: A61N

Abstract:
1. A stimulation lead to lie along and stimulate tissue comprising: a sheath to be placed in the intrathecal space having a distal and proximal end; at least one electrode along the exterior of the distal end of the sheath to lie along tissue; a fixing element on the sheath configured to fix the electrodes in place along the tissue; a passage extending from an inlet at the proximal end of the sheath to one or more outlets at the distal end of the sheath; a wire extension extending from a distal portion of the sheath to the proximal end of the sheath; an additional electrode on the wire extension and spaced from the at least three electrodes spaced along the exterior of the sheath; and the additional electrode having a surface area length on the sheath greater than the surface area of each of the at least three electrodes.