METHOD OF FORMING A LEAD
First Claim
1. A method for forming a substantially isodiametric lead having a prescribed diameter and at least one electrode separated from at least one terminal by a lead body, wherein the at least one electrode is electrically coupled to the at least one terminal by a conductor passing through a passage defined by the lead body, comprising the steps of:
- assembling the at least one electrode and the at least one terminal relative to the lead body to form an assembly, including connecting the at least one electrode to the at least one terminal via the conductor;
over-molding the assembly with a first material to form an intermediate assembly, wherein the first material is compatible with and has mechanical properties consistent with a material of the lead body; and
removing all material of the intermediate assembly in excess of the prescribed diameter.
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Accused Products
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.
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Citations
14 Claims
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1. A method for forming a substantially isodiametric lead having a prescribed diameter and at least one electrode separated from at least one terminal by a lead body, wherein the at least one electrode is electrically coupled to the at least one terminal by a conductor passing through a passage defined by the lead body, comprising the steps of:
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assembling the at least one electrode and the at least one terminal relative to the lead body to form an assembly, including connecting the at least one electrode to the at least one terminal via the conductor; over-molding the assembly with a first material to form an intermediate assembly, wherein the first material is compatible with and has mechanical properties consistent with a material of the lead body; and removing all material of the intermediate assembly in excess of the prescribed diameter. - View Dependent Claims (2, 3, 4)
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5. A method for forming a substantially isodiametric lead having a prescribed diameter and a first region separated from a second region by a lead body, the first region having a plurality of electrodes, and the second region having a plurality of terminals, each terminal being respectively and electrically joined to at least one electrode by a conductor passing through a passage defined by the first region, second region, and lead body, comprising the steps of:
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assembling the plurality of electrodes and plurality of terminals relative to the lead body to form an assembly, this step including electrically coupling each terminal to at least one electrode by a conductor; and unitizing at least that portion of the assembly corresponding to the first region of the lead, wherein subsequent to unitization, each electrode is separated by an insulative material, and the passage defined by at least the first region is substantially filled with the insulative material. - View Dependent Claims (6, 7, 8)
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9. A method for forming a substantially isodiametric lead having a prescribed diameter and a first region separated from a second region by a lead body, the first region having a plurality of electrodes, and the second region having a plurality of terminals, each terminal being respectively and electrically joined to at least one electrode by a conductor passing through a passage defined by the first region, second region, and lead body, comprising the steps of:
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assembling the plurality of electrodes and plurality of terminals relative to the lead body to form an assembly, this step including electrically coupling each terminal to at least one electrode by a conductor; and unitizing at least that portion of the assembly corresponding to the first region of the lead, wherein each electrode is separated by an insulative material, and the passage defined by at least the first region is substantially filled with the insulative material, wherein the step of unitizing involves over-molding the assembly with a second material to form an intermediate assembly, wherein the second material is compatible with and has mechanical properties consistent with the material of the lead body. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification