Implantable lead functional status monitor and method
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United States of America Patent
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Apr 13, 2004
Grant Date -
Aug 29, 2002
app pub date -
Dec 31, 2001
filing date -
Jan 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A system for monitoring trends in lead impedance includes collecting data from various sources in an implantable medical device system. Lead impedance, non-physiologic sensed events percentage of time in mode switch, results of capture management operation, sensed events, adversion pace counts, refractory sense counts and similar data are used to determine the status of a lead. A set of weighted sum rules are implemented by a software system to process the data and provide displayable information to health care professionals via a programmer. The lead monitoring system includes a patient alert system for patients to seek help in the event a serious lead condition is identified.
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