Implantable medical device with valve opening detector
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United States of America Patent
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Aug 8, 2006
Grant Date -
Sep 25, 2003
app pub date -
Jun 19, 2001
filing date -
Jun 30, 2000
priority date (Note) -
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Abstract
A valve opening detector for use in an implantable medical device detects opening of at least one valve in the left side of heart, and has an impedance measuring unit for measuring electrical impedance between measuring poles and for generating an impedance signal corresponding thereto, at least one of the poles being arranged in the coronary sinus and/or in the great cardiac vein of the heart. The valve opening detector also includes an impedance signal processor which processes the impedance signal to detect the opening of one or both valves in the left side of the heart.
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