Electrotherapy system, device, and method for treatment of cardiac valve dysfunction
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United States of America Patent
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Issued Date -
Jul 8, 2004
app pub date -
Jan 7, 2003
filing date -
Jan 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for treating cardiac valve dysfunction includes a lead with electrodes in electrical communication with muscle tissue proximate to a cardiac valve to be treated. Electrical energy is delivered to the lead electrodes to stimulate contraction of the muscle tissue and thereby constrict the cardiac valve. The lead may be received within a blood vessel in the patient. Detection circuitry may detect a physiological signal in the patient for controlling the timing of delivery of electrical energy. The lead may have one or more undulations. The lead may also be combined with a prosthesis to provide a combined electromechanical cardiac valve therapy. The lead can be attached to the prosthesis or formed integrally with the prosthesis. One embodiment implanted in the coronary sinus is used to treat dilated cardiomyopathy of the mitral valve.
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