Sensor for detecting cardiac depolarizations particularly adapted for use in a cardiac pacemaker
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United States of America Patent
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Oct 20, 1992
Issued Date -
N/A
app pub date -
Jan 30, 1992
filing date -
Aug 10, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pacemaker sense amplifier which includes active circuitry which establishes and maintains a constant field density between two electrode poles, effectively clamping them together at a substantially fixed potential difference. The amount of current or power required to maintain this condition in the steady state is monitored and forms the basis of detection of the passing depolarization wavefront.
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