WINGED ELECTRODE BODY FOR SPINAL CORD STIMULATION
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Abstract
An implantable stimulation system including epidural lead for spinal cord stimulation that includes a paddle having a curved proximal end and lateral winged tips and an array of electrodes coupled to conductors within a lead body. The conductors couple to a pulse generator or other stimulation device. The curved and winged paddle provides more complete electrical stimulation coverage to targeted human tissue by minimizing the potential gap between electrodes and targeted fibers.
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Citations
20 Claims
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1-10. -10. (canceled)
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11. An implantable lead for stimulating nerve tissue, comprising:
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a lead body of an insulative material; a plurality of conductors within the lead body; a paddle body including a substantially flat face and a backside surface, wherein; (i) at least one row of electrodes is disposed on the substantially flat face of the paddle body with each electrode being electrically coupled to at least one of the plurality of conductors; (ii) a first wing tip is disposed on a first lateral side of the paddle body extending away from the substantially flat face; (iii) a second wing tip is disposed on a second lateral side of the paddle body extending away from the substantially flat face; (iv) the first wing tip and the second wing tip curve away from the substantially flat face to form a concave surface between a distal end of the first wing tip and a distal end of the second wing tip; and (v) the first and second wing tips exhibit a greater degree of curvature than the substantially flat face along the concave surface. - View Dependent Claims (12, 13, 14, 15)
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16. A neurostimulation system for stimulating nerve tissue of a patient, comprising:
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a pulse generator for generating electrical pulses; and an implantable lead for stimulating nerve tissue, comprising; a lead body of an insulative material; a plurality of conductors within the lead body; a paddle body including a substantially flat face and a backside surface, wherein;
(i) at least one row of electrodes is disposed on the substantially flat face of the paddle body with each electrode being electrically coupled to at least one of the plurality of conductors;
(ii) a first wing tip is disposed on a first lateral side of the paddle body extending away from the substantially flat face;
(iii) a second wing tip is disposed on a second lateral side of the paddle body extending away from the substantially flat face;
(iv) the first wing tip and the second wing tip curve away from the substantially flat face to form a concave surface between a distal end of the first wing tip and a distal end of the second wing tip; and
(v) the first and second wing tips exhibit a greater degree of curvature than the substantially flat face along the concave surface. - View Dependent Claims (19, 20)
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Specification