Implantable pharmacological defibrillator with automatic recognition of ventricular fibrillation
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United States of America Patent
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Jun 22, 1993
Grant Date -
N/A
app pub date -
Nov 16, 1990
filing date -
Nov 24, 1989
priority date (Note) -
Expired
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Abstract
The invention provides an automatic implantable defibrillator with the following essential characteristics: a) reliable recognition of a ventricular fibrillation state by noting mechanical ventricular systole noise and taking action if absent; b) effecting defibrillation not by electrical pulses fed to the heart but by a bolus of medicaments (or solutions under particular physical conditions, such as a cold bolus at 30.degree. C.) fed by a hydraulic system into the coronary sinus by a retrograde path to obtain an artificial circulation so as to rapidly pervade the coronary circuit. The symbol A.I.Ph.D. (Automatic Implantable Pharmacological Defibrillator) is proposed (D.A.I.F., Defibrillatore Automatico Impiantabile Farmacologico, in Italian).
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