Implantable device and method for long-term detection and monitoring of congestive heart failure
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Jan 25, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The implantable device for long term monitoring of congestive heart failure employs a signal generator, such as within a pacemaker, to generate an electrical signal which is monitored to obtain a single or dual frequency measurement that can independently measure systemic venous and pulmonary (lung) impedance. The device is able to detect changes in resistance to a flow of current in the systemic venous system and changes in impedance to a flow of current through a lung to thereby indicate separate detection of systemic venous and pulmonary congestion.
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