Methods of making leads with retention features for segmented electrodes
First Claim
1. A method of making a stimulation lead, the method comprisingdisposing at least one pre-electrode along a longitudinal surface of a lead body near a distal end of the lead body, the at least one pre-electrode comprising a plurality of segmented electrodes, each of the segmented electrodes comprising an exterior surface, an interior surface opposite the exterior surface, a proximal end, and a distal end, at least one of the segmented electrodes comprising at least one channel formed in the segmented electrode and extending from the proximal end to the distal end of the segmented electrode;
- inserting non-conductive material into the at least one channel; and
reflowing the non-conductive material within the at least one channel to facilitate retention of the segmented electrode with the lead body.
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Abstract
One embodiment is a stimulation lead including a lead body comprising a longitudinal surface, a distal end, and a proximal end; and multiple electrodes disposed along the longitudinal surface of the lead body near the distal end of the lead body. The multiple electrodes include multiple segmented electrodes with each of the segmented electrodes having an exterior surface, an interior surface opposite the exterior surface, a proximal end, and a distal end. At least one of the segmented electrodes includes one or more of a) at least one channel formed in the segmented electrode and extending from the proximal end to the distal end of the segmented electrode, b) an arcuate groove formed in at least one of the distal end surface or the proximal end surface, or c) a notch formed in the segmented electrode and extending from the proximal end to the distal end of the segmented electrode.
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Citations
20 Claims
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1. A method of making a stimulation lead, the method comprising
disposing at least one pre-electrode along a longitudinal surface of a lead body near a distal end of the lead body, the at least one pre-electrode comprising a plurality of segmented electrodes, each of the segmented electrodes comprising an exterior surface, an interior surface opposite the exterior surface, a proximal end, and a distal end, at least one of the segmented electrodes comprising at least one channel formed in the segmented electrode and extending from the proximal end to the distal end of the segmented electrode; -
inserting non-conductive material into the at least one channel; and reflowing the non-conductive material within the at least one channel to facilitate retention of the segmented electrode with the lead body. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of making a stimulation lead, the method comprising
disposing at least one pre-electrode along a longitudinal surface of a lead body near a distal end of the lead body, the at least one pre-electrode comprising a plurality of segmented electrodes, each of the segmented electrodes comprising an exterior surface, an interior surface opposite the exterior surface, a proximal end, and a distal end, at least one of the segmented electrodes comprising at least one arcuate groove formed in, and extending circumferentially along, at least one of a surface of the distal end or a surface of the proximal end, wherein the arcuate groove is spaced apart from the exterior surface of the segmented electrode; -
inserting non-conductive material into the at least one arcuate groove; and reflowing the non-conductive material within the at least one arcuate groove to facilitate retention of the segmented electrode with the lead body. - View Dependent Claims (8, 9, 10)
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11. A method of making a stimulation lead, the method comprising
disposing at least one pre-electrode along a longitudinal surface of a lead body near a distal end of the lead body, the at least one pre-electrode comprising a plurality of segmented electrodes, each of the segmented electrodes comprising an exterior surface, an interior surface opposite the exterior surface, a proximal end, and a distal end, at least one of the segmented electrodes comprising at least one notch formed in the segmented electrode and extending from the proximal end to the distal end of the segmented electrode; -
inserting non-conductive material into the at least one notch; and reflowing the non-conductive material within the at least one notch to facilitate retention of the segmented electrode with the lead body. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification