US 12,186,569 B2
Atrial tracking in an intracardiac ventricular pacemaker
Vincent E. Splett, Apple Valley, MN (US); Todd J. Sheldon, North Oaks, MN (US); Yong K. Cho, Excelsior, MN (US); Wade M. Demmer, Coon Rapids, MN (US); and Mark K. Erickson, Brooklyn Park, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on May 25, 2022, as Appl. No. 17/824,718.
Application 17/824,718 is a continuation of application No. 16/654,052, filed on Oct. 16, 2019, granted, now 11,357,987.
Application 16/654,052 is a continuation of application No. 15/280,339, filed on Sep. 29, 2016, granted, now 10,449,366, issued on Oct. 22, 2019.
Prior Publication US 2022/0288397 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61N 1/36 (2006.01); A61N 1/365 (2006.01); A61N 1/368 (2006.01); A61N 1/372 (2006.01); A61N 1/375 (2006.01)
CPC A61N 1/36578 (2013.01) [A61N 1/3682 (2013.01); A61N 1/3684 (2013.01); A61N 1/37205 (2013.01); A61N 1/3756 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pacemaker comprising:
a motion sensor configured to sense a motion signal; and
a control circuit in communication with the motion sensor and configured to:
set a first time window of an expected ventricular diastolic event signal;
detect from the motion signal during the first time window a signal that is representative of a fused ventricular diastolic event signal and an atrial systolic event signal; and
a pulse generator configured to deliver a first pacing pulse in response to the control circuit detecting the signal that is representative of the fused ventricular diastolic event signal and the atrial systolic event signal.