Method of forming a lead
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Abstract
An implantable, substantially isodiametric, low resistance implantable lead having at least one electrode positioned in a stimulation/sensing portion of the lead as well as a method of manufacturing the same. At least the stimulation/sensing portion is unitized through partially surrounding and supporting insulation and conductive element(s) of the stimulation/sensing portion with a fused matrix of material having mechanical properties consistent with a body of the lead.
130 Citations
34 Claims
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1-14. -14. (canceled)
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15. An implantable lead comprising:
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a lead body having a distal end and a proximal end having a terminal;
a first region extending distally from the distal end of the lead body, wherein the first region includes a plurality of electrodes, and adjacent electrodes are separated by a first insulative material having prescribed mechanical properties;
at least one conductor electrically coupling the terminal with at least one corresponding electrode of the plurality of electrodes, wherein the at least one conductor extends along the lead body and the first region, and wherein in addition to the at least one conductor, a portion of the first region is substantially filled with a second insulative material having mechanical properties consistent with the first insulative material. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An implantable lead comprising:
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a lead body having a distal end and a proximal end having a terminal;
a first region extending distally from the distal end of the lead body, wherein the first region includes a plurality of electrodes, and adjacent electrodes are separated by a first insulative material having prescribed mechanical properties;
at least one conductor electrically coupling the terminal with at least one corresponding electrode of the plurality of electrodes, wherein the at least one conductor extends through at least a portion of each of the lead body and the first region; and
wherein at least the first region has a substantially solid cross-section, and excepting the at least one conductor passing therethrough and the plurality of electrodes thereof, material(s) forming the first region has mechanical properties consistent with the first insulative material. - View Dependent Claims (32)
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33. An implantable lead comprising:
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a lead body having a distal end and a proximal end having a terminal;
a stimulation portion extending distally from the distal end of the lead body, wherein the stimulation portion includes a plurality of electrodes, and adjacent electrodes are separated by an insulative material having prescribed mechanical properties;
at least one conductor electrically coupling the terminal with at least one corresponding electrode of the plurality of electrodes, wherein the at least one conductor extends through at least a portion of each of the lead body and the stimulation portion; and
wherein at least the stimulation portion is formed from a substantially solid, fused matrix of materials having consistent mechanical characteristics, and the fused matrix of material(s) supports the plurality of electrodes and the at least one conductor extends at least partially therethrough.
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34. An implantable lead comprising:
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a lead body having a distal end and a proximal end having a terminal;
a first region extending distally from the distal end of the lead body, wherein the first region includes a plurality of electrodes, and adjacent electrodes are separated by a first insulative material, the first insulative material having prescribed mechanical properties;
at least one conductor electrically coupling the terminal with at least one corresponding electrode of the plurality of electrodes, wherein the at least one conductor extends along within the lead body and the first region, and wherein in addition to the at least one conductor, the a portion of the first region is substantially filled with a second insulative material having mechanical properties consistent with material of the first insulative material.
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Specification