Cardioverting system and method with high-frequency pulse delive

Surgery – Truss – Pad

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A61N 136

Patent

active

047685123

ABSTRACT:
An implantable cardioverting system wherein a cardioverting or defibrillating voltage is automatically applied across implantable electrodes associated with the heart of a patient. The cardioverting voltage is an exponentially-decaying voltage pulse that is chopped, or broken, at high frequencies to provide a voltage wave packet formed of a plurality of high-frequency cardioverting pulses. The voltage is provided by an internal storage capacitor coupled across implantable electrode leads that is charged to a predetermined voltage level. Upon discharge, an electronic switch is clocked at frequencies preferably in excess of 1 KHz to open and close the circuit formed of the storage capacitor and electrodes.

REFERENCES:
patent: 3614955 (1971-10-01), Mirowski et al.
patent: 4222386 (1980-09-01), Smolnikov et al.

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