| 摘要 |
A method and an apparatus for performing maintaining a charge in an electric al energy storing device, such as a capacitor. A set-point voltage for the electrical energy storage device is used during an initial device charging process to charge the storage device to the set-point voltage. A charge maintenance process is also performed that offsets charge loss due to leakag e currents, polarization currents and the like. The charge maintenance process involves providing a charge maintenance current to the storage device until the storage device is therapeutically discharged (e.g., during cardiac defibrillation therapy delivery).
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