ICD with rate-responsive pacing
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United States of America Patent
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-
Jan 20, 1998
Grant Date -
N/A
app pub date -
Feb 13, 1996
filing date -
Feb 13, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implantable cardioverter defibrillator (ICD) system features rate-responsive pacing capabilities. An electrical pulse generating device having a housing containing pulse generating circuitry is provided. A conductive lead connectable to the housing that has a first electrode, a second electrode and a coil electrode is provided. Switching circuitry is provided contained in the housing that switches the coil electrode between the rate-responsive sensing electrode to a defibrillation electrode. Control circuity is provided within the housing for controlling the delivery of modulating signals to the coil electrode and for sensing changes in resistance between the coil electrode and the housing. The control circuitry also causes an alteration of the pacing signal applied to the pacing electrode depending upon the change in the resistance sensed.
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