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Dual-chamber timing of leadless pacemakers using infrequent atrial signals and ventricular contractions

A technology of atrial leadless and ventricular contraction, applied in cardiac stimulators, therapy, electrotherapy, etc., can solve problems such as large battery power and reduced service life of leadless pacemakers

Active Publication Date: 2020-03-24
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simultaneously, sending timing signals from one leadless pacemaker in one chamber of the heart to another leadless pacemaker in another chamber of the heart, and receiving and processing the transmitted signals with the receiving pacemaker consumes a significant amount of time. battery power, reducing the lifespan of leadless pacemaker devices

Method used

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  • Dual-chamber timing of leadless pacemakers using infrequent atrial signals and ventricular contractions
  • Dual-chamber timing of leadless pacemakers using infrequent atrial signals and ventricular contractions
  • Dual-chamber timing of leadless pacemakers using infrequent atrial signals and ventricular contractions

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Embodiment Construction

[0027] The implantable atrial pacemaker device of the present disclosure is configured to be implanted in an atrium of a patient's heart. The atrial device can pace the atrium, sense intrinsic atrial electrical activity, and detect ventricular activation. The atrial device may control the timing at which pacing pulses are delivered to the atria based on the detected atrial and ventricular activity.

[0028] The atrial device may include a sealed housing having a size and form factor that allows the atrial device to be implanted within the atrium. In some examples, the housing may have a cylindrical (eg, pill-shaped) form factor. The housing may include fixed teeth connecting the housing to cardiac tissue within the atrium. The fixed teeth may anchor the atrial device to atrial heart tissue such that the atrial device moves with the atrial heart tissue during systole.

[0029] The housing of the atrial device may house components for sensing electrical activity of the heart,...

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Abstract

A method for adjusting a pacing rate of a dual-chamber leadless pacemaker implanted in a heart may comprise determining a native atrial pacemaker of the atrium using a leadless atrial pacemaker implanted in the atrium of the heart a rate of contraction faster than a rate of ventricular contraction; transmitting a first signal from the atrial pacemaker to a leadless ventricular pacemaker implanted within a ventricle of the heart to increase the ventricular pacing rate of the ventricular pacemaker; receiving the transmitted first signal with the ventricular pacemaker; and increasing the ventricular pacing rate based on the received first signal.

Description

[0001] Cross References to Related Applications [0002] This application requires the title of "Dual Chamber Timing for Leadless Pacemakers Using Infrequent Atrial Signals and Ventricular Contracts (Using Infrequent Atrial Signals and Ventricular Contractions to Perform Dual Chamber Timing for Leadless Pacemakers)" submitted on September 8, 2014 US Provisional Application Serial No. 62 / 047,315 and priority to US Utility Model Application Serial No. 14 / 510,558 filed October 9, 2014, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present disclosure relates to cardiac pacing devices and methods. More specifically, the present disclosure relates to techniques for adjusting pacing timing of a dual chamber leadless pacemaker system. Background technique [0004] Leadless pacemakers are used to sense electrical activity and / or deliver therapeutic pacing pulses to the heart. In some patients, an atrial pacemaker may be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/372A61N1/375
CPCA61N1/37276A61N1/3756A61N1/37288A61N1/368A61N1/36592
Inventor J·K·卡内S·E·格林哈特
Owner MEDTRONIC INC
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