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Method and apparatus for detecting a biomarker in the presence of electrical stimulation

  • US 9,888,861 B2
  • Filed: 08/20/2012
  • Issued: 02/13/2018
  • Est. Priority Date: 08/25/2011
  • Status: Active Grant
First Claim
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1. A method of identifying a biomarker in the presence of electrical stimulation, the method comprising:

  • delivering electrical stimulation to a patient;

    sensing one or more signals while the electrical stimulation is being delivered, the one or more signals including data indicative of physiological activity;

    determining an intensity of the electrical stimulation; and

    determining whether the data indicates the presence of a biomarker based on a variable threshold, the variable threshold being variable based on the determined intensity of the electrical stimulation, wherein at least one of sensing, determining the intensity, and determining whether the data indicates the presence of the biomarker are performed at least in part by control circuitry.

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