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Intracranial sensing and monitoring device with macro and micro electrodes

  • US 8,977,335 B2
  • Filed: 03/29/2012
  • Issued: 03/10/2015
  • Est. Priority Date: 03/29/2012
  • Status: Active Grant
First Claim
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1. A cortical sensing device for contact with the surface of the brain comprising:

  • a support member of a flexibly-conformable material and having a first surface;

    at least one macroelectrode sensing element secured with respect to the support member and having a macroelectrode brain-contact surface;

    at least one microelectrode sensing element secured with respect to the macroelectrode and having a microelectrode brain-contact surface surrounded by the macroelectrode brain-contact surface, wherein the first surface, the macroelectrode brain-contact surface and the microelectrode brain-contact surface are substantially co-planar to abut the surface of the brain for monitoring, the microelectrode sensing element is a micro-wire insulated therealong to the microelectrode brain-contact surface with a bio-compatible material to prevent electrical interaction between the microelectrode sensing element and macroelectrode sensing element.

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