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US 6,272,380 B1Granted
Apparatus for treating atrial tachy arrhythmias with synchronized shocks
AssigneeMedtronic, Inc.
InventorsEduardo N. Warman, Michael R. S. Hill, David K. L. Peterson, Rahul Mehra, Luc R. Mongeon
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Abstract
An implantable anti-tachyarrhythmia device which delivers atrial cardioversion or defibrillation pulses heart in response to detection of atrial tachyarrhythmias. The pulses are synchronized to atrial and ventricular events in such a fashion as to assure they occur outside of the vulnerable periods associated with both chambers.
Claims14
A method of atrial defibrillation, comprising:
- sensing atrial events;
- sensing ventricular events;
- sensing atrial tachyarrhythmia;
- defining a first synchronization interval initiated following a sensed atrial event;
- defining a second synchronization interval initiated responsive to a sensed ventricular event;
- and
- delivering an atrial defibrillation pulse responsive to the first and second synchronization intervals simultaneously being concurrently underway.
4 more elements
A method of atrial cardioversion, comprising:
- sensing atrial events;
- sensing ventricular events;
- sensing atrial tachyarrhythmia;
- defining a first synchronization interval initiated following a sensed atrial event;
- defining a second synchronization interval initiated responsive to a sensed ventricular event;
- and
- delivering an atrial cardioversion pulse responsive to the first and second synchronization intervals simultaneously being concurrently underway.
4 more elements
Dependencies are inferred from the claim text.