Rate responsive pacemaker and methods for optimizing its operation
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United States of America Patent
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Oct 27, 1992
Grant Date -
N/A
app pub date -
Aug 14, 1990
filing date -
Aug 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rate responsive cardiac pacemaker for providing an optimized pacing rate of stimulation pulses as a function of at least one selected rate control parameter. Each rate control parameter has a value which varies as a function of changes in a patient's physiologic demand an includes a sensor system for sensing the rate control parameter value and for providing a sensor output representative thereof. The cardiac pacemaker also includes control circuitry which includes a rate response defining means for deriving desired pacing rates as a function of the sensor output and an achievement monitoring means that has a predetermined achievement criterion, for monitoring the relationship between the derived pacing rates and the achievement criterion over an achievement output. An output circuitry provides optimized pacing rates as a function of the desired pacing rates; and a rate response control means adjusts the rate response defining means accordingly.
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