3D ELECTRICAL ACTIVITY REPRESENTATION

    公开(公告)号:US20210100612A1

    公开(公告)日:2021-04-08

    申请号:US16594668

    申请日:2019-10-07

    摘要: In one embodiment, a medical system includes a catheter including electrodes, and configured to be inserted into a chamber of a heart and maneuvered among sampling sites to sample electrical activity, a display, and processing circuitry to receive signals provided by the catheter, and compute, for each sampling site, a sampling position of the catheter and respective electrode positions of the catheter electrodes, render to the display a 3D representation of the chamber including respective sampling-site markers indicating the computed sampling position of the catheter at respective ones of the sampling sites, receive a user input selecting one sampling-site marker, and update the 3D representation to include electrode markers indicating the respective electrode positions of the respective catheter electrodes while the catheter was sampling the electrical activity of the tissue at the sampling site corresponding to the selected sampling-site marker.

    3D INTRACARDIAC ACTIVITY PRESENTATION

    公开(公告)号:US20210085204A1

    公开(公告)日:2021-03-25

    申请号:US16580151

    申请日:2019-09-24

    摘要: In one embodiment, a medical system includes a catheter configured to be inserted into a chamber of a heart of a living subject, and including catheter electrodes configured to contact tissue at respective locations within the chamber of the heart, a display, and processing circuitry configured to receive signals from the catheter, and in response to the signals, sample voltage values of the signals at respective sampling times, compute respective curved three-dimensional surfaces describing electrical activity of the tissue over the catheter electrodes at respective ones of the sampling times, responsively to (a) respective positions of the respective catheter electrodes, and (b) the respective sampled voltage values indicative of electrical activity of the tissue that is sensed by the respective catheter electrodes at the respective locations at the respective sampling times, and render the respective three-dimensional surfaces to the display over time.

    OCCLUSION DETECTION BY PRESSURE MEASUREMENT
    54.
    发明申请

    公开(公告)号:US20200205840A1

    公开(公告)日:2020-07-02

    申请号:US16720978

    申请日:2019-12-19

    IPC分类号: A61B17/12

    摘要: A system, device and method for left atrial appendage occlusion detection is disclosed. The system for occlusion detection comprises a sheath; a delivery system comprising: a delivery catheter extending between a proximal end and a distal end; and a handle coupled to the proximal end of the delivery catheter; a medical tool coupled to a distal end of the delivery catheter at a target location within a portion of an organ of a patient, the medical device comprising a hub including a bore defining an axis, an occluder portion coupled to the hub and an anchor portion extending between a first end and a second end; at least one pressure sensor configured to measure a pressure of the target cavity while blood is suctioned form inside the left atrial appendage; and at least one processor configured to process the pressure measurement acquired from the at least one pressure sensor.

    Global mapping catheter contact optimization

    公开(公告)号:US10482198B2

    公开(公告)日:2019-11-19

    申请号:US16102249

    申请日:2018-08-13

    摘要: Cardiac catheterization is carried out by constructing a left atrial model of a heart of a living subject, selecting a global catheter that is dimensioned to conform to the left atrial model, representing the catheter in the left atrial model; extending the length axis of the catheter in the left atrial model to form an intersection with the foramen ovale, and reporting the intersection as a recommended site of transseptal puncture for insertion of the catheter therethrough.

    EMBEDDING VISUAL INFORMATION INTO ECG SIGNAL IN REAL TIME

    公开(公告)号:US20190015003A1

    公开(公告)日:2019-01-17

    申请号:US15646285

    申请日:2017-07-11

    摘要: Embodiments include methods, systems, and apparatuses for generating an enhanced electrocardiograph (ECG) that includes indicators of values of different types of supplemental information embedded into a trace of measured electrical potentials. More specifically, embodiments may include collecting first data samples of electrical potentials produced by a heart at a sequence of sampling times, and processing the data to calculate supplemental information over a number of sampling times. Based on the first data samples and the supplemental information, a trace of the electrical potentials collected at the sampling times is presented. The trace may have one or more embedded indicators of the supplemental information that vary responsively to the first data samples collected at each of the sampling times.