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Systems and methods for making and using contact assemblies for leads of electrical stimulation systems

  • US 8,909,354 B2
  • Filed: 12/10/2013
  • Issued: 12/09/2014
  • Est. Priority Date: 12/14/2012
  • Status: Expired due to Fees
First Claim
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1. An electrical stimulation lead, comprising:

  • a lead body having a distal end portion and a proximal end portion;

    a plurality of first contacts disposed along one of the distal end portion or the proximal end portion of the lead body;

    a contact assembly disposed along the other of the distal end portion or the proximal end portion of the lead body, the contact assembly comprisinga tubular-shaped composite structure comprising a plurality of layered elements mechanically coupled together and rolled into a tube, each of the plurality of layered elements comprises a first electrically-nonconductive film, a second electrically-nonconductive film, and a plurality of micro-circuits laminated between the first electrically-nonconductive film and the second electrically-nonconductive film, the micro-circuits formed from a first material and each having a first end portion and an opposing second end portion, anda plurality of second contacts disposed over the composite structure, wherein the plurality of second contacts are electrically-coupled directly to the plurality of micro-circuits; and

    a plurality of lead-body conductors electrically coupling the plurality of first contacts to the plurality of second contacts, wherein each of each of the plurality of lead-body conductors is attached to the second end portion of at least one of the plurality of micro-circuits.

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