Method and apparatus for assuring pacer programming is compatible with the lead
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United States of America Patent
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Oct 23, 1990
Grant Date -
N/A
app pub date -
Aug 29, 1988
filing date -
Aug 29, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A series of test signals are generated by a microprocessor of a pacemaker to determine whether a bipolar or unipolar lead is attached to an implanted cardiac pacemaker restricting programming of said pacemaker to only an unipolar pacing mode unless the presence of an operational bipolar lead is detected. Detection is accomplished by generating a series of low frequency high impedance pulses, applying them to lead contacts and sensing a return signal. If a return signal is detected, then that indicates either a unipolar lead is connected to the pacemaker or that the ring conductor of a bipolar lead is open and bipolar pacing must be inhibited.
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