Transthoracic impedance measurement in a subcutaneous device
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United States of America Patent
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May 18, 2010
Grant Date -
Jan 25, 2007
app pub date -
Sep 28, 2006
filing date -
Sep 18, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A subcutaneous implantable cardioverter-defibrillator is disclosed which has an electrically active canister which houses a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhythms. At least one subcutaneous electrode that serves as the opposite electrode from the canister is attached to the canister via a lead system. Cardioversion-defibrillation energy is delivered when the operational circuitry senses a potentially fatal heart rhythm. There are no transvenous, intracardic, or epicardial electrodes. A method of subcutaneously implanting the cardioverter-defibrillator is also disclosed as well as a kit for conducting the method.
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