Pacemaker noise rejection system
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United States of America Patent
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-
Oct 25, 1988
Grant Date -
N/A
app pub date -
Oct 6, 1986
filing date -
Oct 6, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A noise rejection circuit for an implantable pacemaker. During re-triggerable relative refractory periods following a heartbeat, the peak noise level is sensed; the relative refractory period is re-started whenever the input signal exceeds the previous peak. Following a time-out of the relative refractory period, the peak value detected, representing the noise level, is added to the programmed threshold value; the sum is used as the threshold value during sensing.
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Family
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