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Systems for his-bundle pacing

A technology of His bundle and heart, applied in the field of medical system, can solve problems such as adverse long-term effects

Active Publication Date: 2020-07-10
CARDIAC PACEMAKERS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This desynchronization may ultimately lead to undesirable long-term effects

Method used

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  • Systems for his-bundle pacing
  • Systems for his-bundle pacing
  • Systems for his-bundle pacing

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Embodiment Construction

[0044] Systems, devices, and methods for pacing cardiac conducting tissue are disclosed herein. Embodiments of the His bundle pacing (HBP) system include an electrical stimulator for generating HBP pulses for delivery at or near the His bundle. The control circuit may time the delivery of the HBP pulses during the intrinsic His bundle activation of the first His bundle portion followed by the tissue refractory period of the first His bundle portion. Based on evoked Hisian activation of a second Hisian portion, such as the distal portion, the system can determine whether correction of intra-Hisian conduction block has occurred. The system may include a threshold test circuit for determining an individualized pacing threshold representing a minimum energy to excite the His bundle and correct cardiac conduction abnormalities.

[0045] figure 1 is a schematic diagram illustrating an embodiment of a cardiac disease management system 100 and a portion of an environment in which th...

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Abstract

Systems and methods for pacing cardiac conductive tissue are described. A medical system includes an electrostimulation circuit to generate His-bundle pacing (HBP) pulses for delivery at or near a Hisbundle of the heart. A control circuit may time the delivery of the HBP pulses within a tissue refractory period subsequent to an intrinsic His-bundle activation of a first His-bundle portion. Basedon an evoked His-bundle activation of a second His-bundle portion, the system may determine whether correction of intra-Hisian block has occurred. The system additionally includes a threshold test circuit to determine an individualized pacing threshold representing minimal energy to excite the His bundle and to correct the cardiac conduction abnormality.

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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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/05A61N1/36A61N1/362A61N1/368
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
Owner CARDIAC PACEMAKERS INC
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