Implantable cortical neural lead and method
First Claim
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1. An implantable neural lead adapted for use in electrically stimulating the cerebral cortex, the lead comprising:
- a paddle having first and second opposite major surfaces, and a plurality of electrically isolated electrodes exposed through the first major surface;
a lead body including a plurality of electrically conductive wires in electrical communication with the electrodes; and
a strain relief connecting the paddle with the lead body, the strain relief offsetting the lead body from the second surface of the paddle a distance sufficient to accommodate the thickness of a patient'"'"'s skull bone wherein the strain relief comprises at least a first maintained bend.
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Abstract
A neural lead and method of treating neurological disorders by stimulation of the cerebral cortex of the brain is provided. The lead is designed for reduction of strain between the lead body and the lead paddle caused by the position of the lead body above the cranium and the lead paddle beneath the cranium. The lead is also designed to include a two dimensional chronic electrode array for better stimulation coverage of the target area of the cerebral cortex. A method of treating a neurological disorder by stimulating the cerebral cortex is also presented.
237 Citations
14 Claims
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1. An implantable neural lead adapted for use in electrically stimulating the cerebral cortex, the lead comprising:
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a paddle having first and second opposite major surfaces, and a plurality of electrically isolated electrodes exposed through the first major surface; a lead body including a plurality of electrically conductive wires in electrical communication with the electrodes; and a strain relief connecting the paddle with the lead body, the strain relief offsetting the lead body from the second surface of the paddle a distance sufficient to accommodate the thickness of a patient'"'"'s skull bone wherein the strain relief comprises at least a first maintained bend. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 11)
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8. The implantable neural lead of 2 in which the strain relief offsets the lead body from the first major surface of the paddles a distance between about 4–
- 10 mm.
- View Dependent Claims (9)
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12. An implantable neural lead adapted for use in electrically stimulating the cerebral cortex, the lead comprising:
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a paddle having first and second opposite major surfaces, and a plurality of electrically isolated electrodes exposed through the first major surface; a lead body including a plurality of electrically conductive wires in electrical communication with the electrodes; and a strain relief connecting the paddle with the lead body, the strain relief offsetting the lead body from the first major surface of the paddle a distance between about 4–
10 mm to accommodate the thickness of a patient'"'"'s skull bone. - View Dependent Claims (13)
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14. An implantable neural lead adapted for use in electrically stimulating the cerebral cortex, the lead comprising:
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a paddle having first and second opposite major surfaces, and a plurality of electrically isolated electrodes exposed through the first major surface; a lead body including a plurality of electrically conductive wires in electrical communication with the electrodes; and a strain relief connecting the paddle with the lead body, the strain relief offsetting the lead body from the second surface of the paddle a distance sufficient to accommodate the thickness of a patient'"'"'s skull bone, wherein the strain relief comprises a strain relief connector.
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Specification