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Directional brain stimulation and recording leads

  • US 7,212,867 B2
  • Filed: 12/05/2001
  • Issued: 05/01/2007
  • Est. Priority Date: 12/07/2000
  • Status: Expired due to Term
First Claim
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1. An implantable brain stimulation lead comprising:

  • a substantially cylindrical lead body having a proximal end, a distal end, and a plurality of substantially ring-like electrodes each having an arc or circumference extending substantially around the lead body; and

    an electrically insulating member that extending over at least body to cover at least covered portions of the circumference of the electrodes, and defining a plurality of windows that expose exposed portions of the circumference of the electrode, thereby increasing directionality of stimulation current delivered by the electrode, wherein the insulating member is formed as a sleeve-like member that extends over a portion of the lead body;

    wherein at least two windows are defined at different axial and circumferential positions about the lead body.

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