Endocardial pacing devices and methods useful for...

Details Endocardial pacing devices and methods useful for... Endocardial pacing devices and methods useful for...

2011-08-23

2011-08-23

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

08005544

ABSTRACT:
Various methods and apparatus are implemented for modifying cardiac operation, for treating a condition of a patient's heart, and for monitoring cardiac operation. An electrode arrangement is used to capture the myocardium for re-synchronization of the left and right ventricles by providing first and second signal components having opposite polarity on respective electrodes. Use of a defibrillation lead may also be particularly useful. Other aspects involve use of such cardiac modulation technique to facilitate mechanically and/or electrically synchronous contractions for resynchronization, and a technique for pacing and/or mapping by generating pulses for delivery to a cardiac site useful for improving heart function as measured, e.g., by QRS width, fractionation, late LV activation timing, mechanical synchronicity of free wall and septal wall, effective throughput/pressure, or a combination thereof.

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