Directional lead assembly with electrode anchoring prongs
First Claim
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1. An electrical lead comprising:
- a cylindrical lead body having a circumference, a proximal end, a distal end, and a longitudinal axis extending therethrough;
a plurality of directional electrodes disposed along the distal end of the cylindrical lead body, wherein each of the directional electrodes comprises an electrode body that defines an exposed surface, an interior surface opposite the exposed surface, at least one edge extending between the exposed surface and the interior surface and at least one prong extending from a one of the at least one edge, disposed within the lead, and extending radially beneath the electrode body; and
at least one ring electrode disposed along the distal end of the cylindrical lead body and extending around the circumference of the cylindrical lead body.
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Abstract
Leads having directional electrodes thereon. Also provided are leads having directional electrodes as well as anchoring prongs to secure the electrodes to the leads. Also provided are leads with directional electrodes where all the electrodes have the same surface area. Methods of treating conditions and selectively stimulating regions of the brain such as the thalamus and cerebellum are also provided.
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Citations
16 Claims
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1. An electrical lead comprising:
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a cylindrical lead body having a circumference, a proximal end, a distal end, and a longitudinal axis extending therethrough; a plurality of directional electrodes disposed along the distal end of the cylindrical lead body, wherein each of the directional electrodes comprises an electrode body that defines an exposed surface, an interior surface opposite the exposed surface, at least one edge extending between the exposed surface and the interior surface and at least one prong extending from a one of the at least one edge, disposed within the lead, and extending radially beneath the electrode body; and at least one ring electrode disposed along the distal end of the cylindrical lead body and extending around the circumference of the cylindrical lead body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electrical lead comprising:
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a cylindrical lead body having a circumference, a proximal end, a distal end and a longitudinal axis extending therethrough; a plurality of directional electrodes disposed along the distal end of the cylindrical lead body, wherein the plurality of directional electrodes is arranged into a plurality of sets of directional electrodes with each set comprising a plurality of electrodes disposed around the circumference of the cylindrical lead body at a same position along the longitudinal axis; at least two anchoring prongs attached to each directional electrode of the plurality of directional electrodes, separated from each other, and disposed radially beneath the directional electrode to which the at least two anchoring prongs are attached to anchor the directional electrode to the cylindrical lead body; and at least one distalmost electrode covering the distal end of the cylindrical lead body. - View Dependent Claims (11, 12, 13, 14)
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15. An electrical lead comprising:
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a cylindrical lead body having a circumference, proximal end, a distal end and a longitudinal axis extending therethrough; and a plurality of directional electrodes disposed along the distal end of the cylindrical lead body, wherein the plurality of directional electrodes is arranged into a plurality of sets of directional electrodes with each set comprising a plurality of electrodes disposed around the circumference of the cylindrical lead body at a same position along the longitudinal axis; and a plurality of anchoring prongs attached to or otherwise integral with each directional electrode of the plurality of directional electrodes to anchor the directional electrode to the cylindrical lead body. - View Dependent Claims (16)
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Specification