Surgery – Truss – Pad
Patent
1985-09-30
1986-06-17
Kamm, William E.
Surgery
Truss
Pad
A61N 136
Patent
active
045950091
ABSTRACT:
An implantable medical device to deliver cardioverting energy to cardiac tissue in synchrony with detected ventricular depolarizations having a low power sensing and control circuitry and high power cardioversion circuitry, sharing a common lead and interface circuitry. The lead possesses a superior vena cava electrode and ring and tip electrodes intended to be placed in the ventricle. A sense amplifier is connected across the ring and tip electrode, and the cardioversion energy is delivered across the superior vena cava electrode and the ventricular electrodes. A circuit for protecting the low voltage sense amplifier circuits from high voltage cardioversion output pulses includes a triac which is electrically shorted across the ring and tip electrodes and the input terminals of the sense amplifier during the delivery of the stimulating pulse.
REFERENCES:
patent: 3614954 (1971-10-01), Mirowski et al.
patent: 4210149 (1980-07-01), Heilman et al.
patent: 4300566 (1981-11-01), Stindt et al.
patent: 4384585 (1983-05-01), Zipes
patent: 4440172 (1984-04-01), Langer
patent: 4475551 (1984-10-01), Langer et al.
Winkle et al. "The Automatic Implantable Defibrillator: Local Ventricular Bipolar Sensing to Detect Ventricular Tachycardia and Fibrillation," Am. J. Card., vol. 52, Aug. 1983, pp. 265-270.
Beck Robert C.
Breimayer Joseph F.
Kamm William E.
Medtronic Inc.
Rooney John L.
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