Dynamic atrioventricular delay optimization

    公开(公告)号:US12090328B2

    公开(公告)日:2024-09-17

    申请号:US17898616

    申请日:2022-08-30

    发明人: Qi An Yinghong Yu

    IPC分类号: A61N1/368 A61N1/365

    摘要: Systems and methods for monitoring and treating patients with heart failure are discussed. The system may receive patient atrioventricular (AV) conduction characteristic under different heart rates or patient conditions. Stimulation parameters including stimulation timing parameters may be stored in a memory. The system may include a stimulation control circuit configured to determine a parameter update schedule indicating a timing at which to update stimulation parameter using patient AV conduction characteristic, and dynamically update at least a portion of the stored set of stimulation parameters at the determined parameter update schedule. For a specified heart rate or heart rate range, a stimulation parameter may be selected from the set of the stimulation parameters for use during cardiac stimulation.

    IMPLANTABLE MEDICAL DEVICE WITH HYDROGEN GETTER

    公开(公告)号:US20240261579A1

    公开(公告)日:2024-08-08

    申请号:US18432553

    申请日:2024-02-05

    IPC分类号: A61N1/375 H01J7/18

    摘要: Hydrogen getters are provided in active implantable medical device by applying a layer of selected metal with a chosen thickness over an un-oxidized portion of a base metal. The base metal may be titanium, and the selected metal may be palladium or platinum, with a thickness of less than 250 nanometers, where the selected metal acts as a passivation layer relative to oxidation but allows hydrogen capture by the base metal. The getter may be a separate component or may be formed as part of an existing component such as a feedthrough ferrule.

    PCBA X-RAY ID TAG
    3.
    发明公开
    PCBA X-RAY ID TAG 审中-公开

    公开(公告)号:US20240238601A1

    公开(公告)日:2024-07-18

    申请号:US18409296

    申请日:2024-01-10

    IPC分类号: A61N1/375

    CPC分类号: A61N1/375

    摘要: An implantable medical device includes a metal case having a hermetic seal; and an identification (ID) tag arranged within the sealed metal case, wherein the ID tag is readable by X-raying the device.

    Implantable medical device including electrodes formed therein

    公开(公告)号:US12017081B2

    公开(公告)日:2024-06-25

    申请号:US17175063

    申请日:2021-02-12

    IPC分类号: A61N1/375

    CPC分类号: A61N1/37512 A61N1/3756

    摘要: Embodiments of the present disclosure relate to implantable medical devices. According to an exemplary embodiment, a method for forming an electrode on an implantable medical device (IMD), comprises forming a nonconductive body comprising a well having a bottom surface and at least one side surface extending from the bottom surface. The method further comprises forming a conduit through the bottom surface and inserting the nonconductive body into an opening in an external surface of the IMD. The method also comprises depositing conductive material into the well and coupling the conductive material to a circuit of the IMD via the conduit through the bottom surface of the well.

    CARDIAC ACCELERATION BASED P WAVE WINDOW DETERMINATION

    公开(公告)号:US20240180474A1

    公开(公告)日:2024-06-06

    申请号:US18511178

    申请日:2023-11-16

    IPC分类号: A61B5/353 A61B7/00

    CPC分类号: A61B5/353 A61B7/00

    摘要: Systems and methods are disclosed to determine a P wave window for a patient using cardiac acceleration information of the patient, including a determined time of an S4 heart sound. Correlations between an S4 template and cardiac acceleration information in an S4 window having a duration longer than the S4 template can be determined. An S4 centroid can be determined as a peak of the determined multiple correlations, and the P wave window can be determined using the determined S4 centroid and an electromechanics delay.