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Electrode assemblies, methods, and components thereof for implantable medical electrical leads

  • US 10,449,353 B2
  • Filed: 04/21/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 04/28/2016
  • Status: Active Grant
First Claim
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1. An electrode assembly for an implantable medical electrical lead, the assembly comprising:

  • at least one core member formed from an insulating material, the at least one core member defining a central longitudinally extending lumen of the assembly, and each of the at least one core member including a plurality of longitudinally extending channels arrayed around a circumference of the central lumen, each channel having an opening that extends along an entire length thereof;

    a plurality of electrodes spaced apart from one another along a length of the assembly, a first electrode of the plurality defining a distal end of the length, and a second electrode of the plurality defining a proximal end of the length, the first electrode extending around the at least one core member;

    a plurality of elongate conductors corresponding to the plurality of electrodes, a first conductor of the plurality of conductors extending along a helical path, the helical path traveling from the proximal end of the length of the assembly to the distal end of the length of the assembly and around the central lumen of the assembly; and

    an electrical junction between the first conductor and an inner surface of the first electrode, the junction being wedged within a first channel of the plurality of channels of the at least one core member.

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