Summation anodal pacing to complement multisite stimulation
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United States of America Patent
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Oct 15, 2024
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N/A
app pub date -
Jul 2, 2021
filing date -
Jul 2, 2021
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Abstract
A device and method for cardiac pacing is disclosed in which anodal pacing of the left ventricle is provided. Anodal pacing occurs when an anodal surface area is sufficiently small to create an area of hyper-polarization of the myocardial cell membrane. This creates a virtual cathode at a location remote from the anode. The virtual cathode results in depolarization of the heart in a manner similar to the virtual cathode at the true fixed cathode. In addition a device and method for summation anodal pacing is provided in which one anode is common between two or more cathodes. This results in hyperpolarization of a larger segment of the myocardium as compared to non-summation anodal pacing and thereby forms a larger virtual electrode to enable capture of localized, discrete cardiac structures such as the bundle of His or the very proximal portions of the right and left bundles.
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