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    Method and apparatus for delivering bundle branch pacing
    4.
    发明授权
    Method and apparatus for delivering bundle branch pacing 有权

    公开(公告)号：US11964160B2

    公开(公告)日：2024-04-23

    申请号：US17370303

    申请日：2021-07-08

    Applicant: Medtronic, Inc.

    Inventor： Xiaohong Zhou ,  Wade M. Demmer ,  Robert W. Stadler

    IPC: A61N1/37

    CPC classification number: A61N1/371 ,  A61N1/3702

    Abstract: A medical device processor is configured to receive at least one cardiac electrical signal that is sensed during bilateral bundle branch pacing delivered from a bipolar electrode pair comprising an anode positioned along a first bundle branch and a cathode positioned along a second bundle branch opposite the first bundle branch, determine at least one feature from the first cardiac electrical signal, determine that the at least one feature meets first bundle branch capture criteria; and determine anodal bundle branch capture in response to the first bundle branch capture criteria being met.

    Active implantable medical device for detecting and quantifying fusion
    6.
    发明授权
    Active implantable medical device for detecting and quantifying fusion 有权

    公开(公告)号：US11865353B2

    公开(公告)日：2024-01-09

    申请号：US17176072

    申请日：2021-02-15

    Applicant: SORIN CRM SAS

    Inventor： Paola Milpied ,  Delphine Feuerstein

    IPC: A61N1/39 ,  A61N1/368 ,  A61N1/37 ,  A61B5/316

    CPC classification number: A61N1/3956 ,  A61B5/316 ,  A61N1/3682 ,  A61N1/37 ,  A61N1/371 ,  A61N1/3925

    Abstract: Disclosed are systems, devices and methods that produce at least two distinct temporal components from two distinct endocardial electrogram (EGM) signals collected concurrently, determines a non-temporal 2D characteristic representative of the cardiac cycle to be analyzed, from the variations of one of the temporal components as a function of another of the temporal components and comparing the characteristic of the current cycle to two reference characteristics previously obtained and stored, one in a situation of complete capture and the other in a situation of spontaneous rhythm. Respective values of similarity descriptors are derived of these two comparisons, which are used to calculate a metric quantifying a fusion rate.

    CARDIAC RESYNCHRONIZATION THERAPY DIAGNOSTICS
    9.
    发明申请
    CARDIAC RESYNCHRONIZATION THERAPY DIAGNOSTICS 审中-公开

    公开(公告)号：US20190209846A1

    公开(公告)日：2019-07-11

    申请号：US15928714

    申请日：2018-03-22

    Applicant: Medtronic, Inc.

    Inventor： Robert W. Stadler ,  Richard Cornelussen ,  Berthold Stegemann

    IPC: A61N1/37 ,  A61N1/39

    CPC classification number: A61N1/3702 ,  A61B5/0456 ,  A61N1/371 ,  A61N1/3937

    Abstract: In some examples, a system can be used for delivering cardiac resynchronization therapy (CRT). The system may include a pacing device configured to be implanted within a patient. The pacing device can include a plurality of electrodes, signal generation circuitry configured to deliver ventricular pacing via the plurality of electrodes, and a sensor configured to produce a signal that indicates mechanical activity of the heart. Processing circuitry can be configured to identify one or more features of a cardiac contraction within the signal, and determine whether the contraction was a fusion beat based on the one or more features.

    Method and System to Determine Capture Thresholds
    10.
    发明申请
    Method and System to Determine Capture Thresholds 审中-公开

    公开(公告)号：US20190201697A1

    公开(公告)日：2019-07-04

    申请号：US16295928

    申请日：2019-03-07

    Applicant: Pacestter, Inc.

    Inventor： Luke McSpadden ,  Fujian Qu ,  Cyrille S. Casset ,  Chunlan Jiang ,  Kyungmoo Ryu ,  Caroline D. Jordan ,  Yelena Nabutovsky ,  Nima Badie

    IPC: A61N1/37 ,  A61N1/368

    CPC classification number: A61N1/371 ,  A61N1/025 ,  A61N1/056 ,  A61N1/36842 ,  A61N1/3712

    Abstract: Computer implemented methods and systems are provided for automatically determining capture thresholds for an implantable medical device equipped for cardiac stimulus pacing using a multi-pole left ventricular (LV) lead. The methods and systems measures a base capture threshold for a base pacing vector utilizing stimulation pulses varied over at least a portion of an outer test range. The base pacing vector is defined by a first LV electrode provided on the LV lead and a second electrode located remote from an LV chamber. The methods and systems designate a secondary pacing vector that includes the first LV electrode and a neighbor LV electrode provided on the LV lead. The methods and systems further define an inner test range having secondary limits based on the base capture threshold, wherein at least one of the limits for the inner test range differs from a corresponding limit for the outer test range. The methods and systems measure a secondary capture threshold associated with the secondary pacing vector utilizing stimulation pulses varied over at least a portion of the inner test range.

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