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Implantable medical device monitoring method and system regarding same

  • US 6,155,267 A
  • Filed: 12/31/1998
  • Issued: 12/05/2000
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Fees
First Claim
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1. An implantable medical device monitoring method, the method comprising the steps of:

  • providing at least one sensor output signal to an implantable medical device;

    providing chronic data representative of at least one physiological parameter based on the at least one sensor output signal;

    establishing a baseline representative of an initial state of the at least one physiological parameter using chronic data provided in an initial sample time period;

    monitoring the chronic data to detect a change in state of the at least one physiological parameter relative to the baseline;

    storing data associated with a detected change in state of the at least one physiological parameter within the implantable medical device;

    reestablishing the baseline for the at least one physiological parameter if a change in state is detected, wherein the baseline is reestablished using chronic data available upon or after detection of the change of state; and

    repeating the monitoring, storing, and reestablishing steps.

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