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Adjustable sensing in a his-bundle pacemaker

A technology of His beam and sensing mode, which is applied in the field of medical systems and can solve complex problems

Pending Publication Date: 2021-03-23
CARDIAC PACEMAKERS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the surgical procedure to thread the LV lead through the coronary sinus and into the vein on the wall of the left ventricle can be complex and challenging in some patients

Method used

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  • Adjustable sensing in a his-bundle pacemaker
  • Adjustable sensing in a his-bundle pacemaker
  • Adjustable sensing in a his-bundle pacemaker

Examples

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Embodiment Construction

[0046] Systems, devices, and methods for pacing cardiac conducting tissue are disclosed herein. Embodiments of the system may include: an electrical stimulator that delivers His bundle pacing (HBP) pulses for stimulating the His bundle; and a cardiac event detector that detects His bundle activity following atrial activity. Cardiac event detectors can use transchamber blanking or an adjustable His bundle sensing threshold to prevent oversensing of far-field atrial activity and inappropriate suppression of HBP therapy. The electrical stimulation circuit may deliver commanded patterns of HBP based on the presence or absence of detected His bundle activity. In some examples, the system can identify detected His-bundle activity as an FFPW or effective inhibitory event and deliver or suppress HBP therapy based on the identification of His-bundle activity.

[0047] figure 1 is a schematic diagram illustrating an embodiment of a cardiac disease management system 100 and a portion o...

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Abstract

Systems and methods for pacing cardiac conductive tissue are described. An embodiment of a medical system includes an electrostimulation circuit to generate His-bundle pacing (HBP) pulses to stimulatea His bundle, and a cardiac event detector to detect a His-bundle activity within a time window following an atrial activity. The cardiac event detector may use a cross-chamber blanking, or an adjustable His-bundle sensing threshold, to avoid or reduce over-sensing of far-field atrial activity and inappropriate inhibition of HBP therapy. The electrostimulation circuit may deliver HBP in the presence of the His-bundle activity. The system may further recognize the detected His-bundle activity as either a FFPW or a valid inhibitory event, and deliver or withhold HBP therapy based on the recognition of the His-bundle activity.

Description

[0001] priority claim [0002] This application claims the benefit of priority under 35 U.S.C. § 119(e) of U.S. Provisional Patent Application Serial No. 62 / 694,825 filed July 6, 2018, the entire contents of which are hereby incorporated by reference . 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 His bundle. Background technique [0004] The heart is the center of the human 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 in order to provide the organs with the oxygen they need for their metabolism. The right part of the heart, including the right atrium (RA) and right ventricle (RV), draws deoxygenated blood f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/362A61N1/365A61N1/368A61N1/37A61B5/364
CPCA61B5/7221A61B5/7264A61B5/0031A61B5/7225A61N1/3627A61N1/36507A61N1/36843A61N1/3688A61N1/3704A61B5/349A61N1/365A61B5/364
Inventor 大卫·亚瑟·卡萨凡特大卫·L·佩什巴赫迪帕·马哈詹
Owner CARDIAC PACEMAKERS INC
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