Determining a patient's posture from mechanical vibrations of the heart
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United States of America Patent
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Jul 14, 2009
Grant Date -
Feb 2, 2006
app pub date -
Jul 28, 2004
filing date -
Jul 28, 2004
priority date (Note) -
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Abstract
A system for determining a patient's posture by monitoring heart sounds. The system comprises an implantable medical device that includes a sensor operable to produce an electrical signal representative of heart sounds, a sensor interface circuit coupled to the sensor to produce a heart sound signal, and a controller circuit coupled to the sensor interface circuit. The heart sounds are associated with mechanical activity of a patient's heart and the controller circuit is operable to detect a posture of the patient from a heart sound signal.
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