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System, method and device for monitoring the condition of an internal organ

  • US 8,764,672 B2
  • Filed: 02/16/2010
  • Issued: 07/01/2014
  • Est. Priority Date: 02/17/2009
  • Status: Active Grant
First Claim
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1. A system for monitoring a state of a brain, the system comprising:

  • at least one internal electrode constructed and arranged to be placed adjacent to at least a portion of the brain and in communication with a system handler to provide a measurement thereto of electrical properties of the brain;

    the internal electrode being provided on an intracranial catheter that is constructed and arranged to be placed within the brain to monitor a condition of the brain as a measurement of electrical properties thereof;

    an intracranial pressure sensor for monitoring intracranial pressure within the brain by providing a measurement of pressure of the brain; and

    at least one exterior electrode placed proximate and exterior to the at least one internal electrode to generate a signal therebetween in order to return a state of blood flow-induced electrical properties of the brain, such that the electrical properties of the brain indicate the blood flow-induced status of the brain;

    wherein the status of the brain is determine by performing a group delay or phase shift analysis between the measurement of pressure of the brain and the state of blood flow-induced electrical properties of the brain.

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