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System for recognition of his-bundle pacing capture

A technology of His bundle and reaction, which is applied in the field of medical systems and can solve complex problems

Pending Publication Date: 2020-06-16
CARDIAC PACEMAKERS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, the surgical procedure to place an LV lead through the coronary sinus and into a vein on the wall of the left ventricle can be complex and challenging in some patients

Method used

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  • System for recognition of his-bundle pacing capture
  • System for recognition of his-bundle pacing capture
  • System for recognition of his-bundle pacing capture

Examples

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Embodiment Construction

[0045] Systems, devices, and methods for pacing cardiac conducting tissue are disclosed herein. Embodiments of the system may include an electrical stimulator to generate His bundle pacing (HBP) pulses for delivery at or near the bundle of His. The system can sense a far-field signal representing a ventricular response to a HBP pulse, and detect a His bundle response and a myocardial response from at least the far-field signal. The system can classify tissue responses to HBP into one of multiple capture types. In an example, the classification of tissue response may be based on sensed near-field cardiac activity and sensed far-field cardiac activity. The system can adjust one or more stimulation parameters based on the His bundle response and the myocardial response or the classified capture type, and deliver HBP pulses to excite the His bundle according to the adjusted stimulation parameters.

[0046] figure 1 is a schematic diagram illustrating an embodiment of a cardiac ...

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Abstract

Systems for pacing cardiac conductive tissue are described. A medical system includes an electrostimulation circuit that may generate His- bundle pacing (HBP) pulses for delivery at or near the His bundle. In response to the delivery of the HBP pulse, the system senses a near-field cardiac activity representative of excitation of a para-Hisian myocardial tissue, and a far-field cardiac activity representative of excitation of the His bundle and a ventricle. The system classifies a tissue response to HBP into one of a plurality of capture types based on the sensed near-field and far-field cardiac activities. The system includes a control circuit to adjust one or more stimulation parameters based on the classified capture type. The electrostimulation circuit generates and delivers the HBP pulses according to the adjusted stimulation parameters to excite the His bundle.

Description

[0001] priority statement [0002] This application requires U.S. Provisional Patent Application Serial No. 62 / 580,711 filed November 2, 2017, U.S. Provisional Patent Application Serial No. 62 / 595,535 filed December 6, 2017, pursuant to 35 U.S.C. § 119(e), Priority benefit of U.S. Provisional Patent Application Serial No. 62 / 595,541 filed December 6, 2017, each of which is incorporated herein by reference in its entirety. technical field [0003] This document relates generally to medical systems and, more particularly, to systems, devices, and methods for pacing cardiac conducting tissue, such as the bundle of His. Background technique [0004] The heart is the center of a person's circulatory system. It includes an electromechanical system that performs two primary pumping functions. The left part of the heart, which includes the left atrium (LA) and left ventricle (LV), draws oxygenated blood from the lungs and pumps it to the various organs of the body, thereby supplyi...

Claims

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Application Information

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IPC IPC(8): A61N1/362A61N1/368A61N1/37
CPCA61N1/371A61N1/368A61B5/349A61N1/056A61N1/3712A61N1/3684A61N1/362A61N1/36521A61N1/36564A61N1/36578A61N1/3702A61N1/36507
Inventor 艾伦·C·舒罗斯大卫·亚瑟·卡萨凡特拉姆什·瓦里亚
Owner CARDIAC PACEMAKERS INC
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