Mechanical defibrillator and method for defibrillating a heart
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United States of America Patent
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Jul 18, 1995
Grant Date -
N/A
app pub date -
Mar 21, 1994
filing date -
Mar 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implantable heart defibrillator and a method for defibrillating a heart, employ a shock pulse generator for delivering a defibrillation shock to a heart, the delivered energy being mechanical. The shock pulse generator includes an electromechanical energy converter which generates, e.g., pressure, by means of a piezoelement, in a pressure chamber. Pressure is transmitted by a fluid in an electrode devised like a hydraulic line to a balloon-like electrode head in contact with heart tissue. The generated pressure causes the electrode head to expand and deliver a mechanical shock to the heart corresponding to the pressure.
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