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Lead tracking and positioning system and method

  • US 9,320,571 B2
  • Filed: 12/30/2009
  • Issued: 04/26/2016
  • Est. Priority Date: 12/30/2009
  • Status: Active Grant
First Claim
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1. A lead placement system for placing a lead in a subject, the lead placement system comprising:

  • the lead;

    a stylet comprising a body, a curved portion and an angled portion, whereinthe stylet is tubular shaped,the body extends along a first axis between a proximal end of the stylet and the curved portion,the angled portion extends along a second axis from the curved portion to a distal end of the stylet, andthe second axis is at a fixed predetermined angle relative to the first axis;

    a first tracking device disposed within the angled portion;

    a second tracking device disposed (i) within the stylet, (ii) within or proximal the curved portion, and (iii) proximal to the first tracking device,wherein the stylet is configured to be inserted in and extend along at least a portion of the lead; and

    a plurality of electrodes (i) configured to supply an electrical current to the subject to stimulate the subject, and (ii) disposed on the lead and surrounding portions of at least one of the angled portion, the curved portion and the body,whereinthe lead has an inner diameter and an outer diameter,each of the plurality of electrodes has an inner diameter and an outer diameter, andat least one of (i) the inner diameter of each of the plurality of electrodes is equal to the inner diameter of the lead, or (ii) the outer diameter of each of the plurality of electrodes is equal to the outer diameter of the lead.

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