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Automatic lead functionality testing

  • US 10,118,041 B2
  • Filed: 04/28/2006
  • Issued: 11/06/2018
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining whether a patient is within at least one of a target activity state or a target posture based on a physiological sensor signal, wherein determining whether the patient is within the target activity state comprises determining at least one of whether body movement of the patient exceeds a threshold, whether the patient is changing postures, or whether the patient is exercising;

    automatically performing a lead functionality test for at least one electrical lead of a medical device in response to the physiological sensor signal indicating that the patient is within the target activity state or target posture, wherein the at least one electrical lead is implanted in the patient and the medical device is configured to deliver therapy to the patient using the at least one electrical lead, wherein automatically performing the lead functionality test comprises measuring an electrical parameter for at least two different combinations of electrodes of the medical device; and

    generating information that indicates at least one of whether the functionality of the at least one electrical lead has degraded or whether the at least one electrical lead has failed based on the measurements of the electrical parameter for the at least two different combination of electrodes, wherein at least one of the determining, automatically performing, or generating is performed via a processor.

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