公开(公告)号：US12005263B2

公开(公告)日：2024-06-11

申请号：US18050462

申请日：2022-10-27

Applicant: Medtronic, Inc.

Inventor： Yanina Grinberg ,  Paul D. Baker ,  Lonny V. Cabelka ,  Craig W. Dorma ,  Timothy A. Ebeling ,  Michael W. Heinks ,  James Vander Heyden ,  Joseph Ippolito ,  Joel R. Lauer ,  Robert T. Sawchuk ,  Brian W. Schousek

IPC: A61N1/39 ,  A61N1/05 ,  A61N1/365

CPC classification number: A61N1/3962 ,  A61N1/05 ,  A61N1/36507 ,  A61N1/3925 ,  A61N1/39622 ,  A61N1/3981 ,  A61N1/3987

Abstract: An extra-cardiovascular implantable cardioverter defibrillator (ICD) having a high voltage therapy module is configured to control a high voltage charging circuit to charge a capacitor to a pacing voltage amplitude to deliver charge balanced pacing pulses. The capacitor is chargeable to a shock voltage amplitude that is greater than the pacing voltage amplitude. The ICD is configured to enable switching circuitry of the high voltage therapy module to discharge the capacitor to deliver a first pulse having a first polarity and a leading voltage amplitude corresponding to the pacing voltage amplitude for pacing the patient's heart via a pacing electrode vector selected from extra-cardiovascular electrodes. The high voltage therapy module delivers a second pulse after the first pulse. The second pulse has a second polarity opposite the first polarity and balances the electrical charge delivered during the first pulse.

公开(公告)号：US11524169B2

公开(公告)日：2022-12-13

申请号：US15425169

申请日：2017-02-06

Applicant: Medtronic, Inc.

Inventor： Yanina Grinberg ,  Paul D. Baker ,  Lonny V. Cabelka ,  Craig W. Dorma ,  Timothy A. Ebeling ,  Michael W. Heinks ,  James Vander Heyden ,  Joseph Ippolito ,  Joel R. Lauer ,  Robert W. Sawchuk ,  Brian W. Schousek

IPC: A61N1/39 ,  A61N1/05 ,  A61N1/365

Abstract: An extra-cardiovascular implantable cardioverter defibrillator (ICD) having a high voltage therapy module is configured to control a high voltage charging circuit to charge a capacitor to a pacing voltage amplitude to deliver charge balanced pacing pulses. The capacitor is chargeable to a shock voltage amplitude that is greater than the pacing voltage amplitude. The ICD is configured to enable switching circuitry of the high voltage therapy module to discharge the capacitor to deliver a first pulse having a first polarity and a leading voltage amplitude corresponding to the pacing voltage amplitude for pacing the patient's heart via a pacing electrode vector selected from extra-cardiovascular electrodes. The high voltage therapy module delivers a second pulse after the first pulse. The second pulse has a second polarity opposite the first polarity and balances the electrical charge delivered during the first pulse.