Implantable defibrillators are implanted into the chests of patients prone to suffering ventricular fibrillation, a potentially fatal heart condition. A critical component in these devices is an aluminum electrolytic capacitor, which stores and delivers life-saving bursts of electric charge to a fibrillating...http://www.google.de/patents/US7558051?utm_source=gb-gplus-sharePatent US7558051 - High-energy capacitors for implantable defibrillators
