Catheter and Method for Focal Cardiac Ablation by Irreversible Electroporation

    公开(公告)号:US20220015826A1

    公开(公告)日:2022-01-20

    申请号:US17378219

    申请日:2021-07-16

    Abstract: A catheter for focal cardiac ablation by irreversible electroporation includes a flexible catheter body, a plurality of tines disposed at a distal end of the catheter body, a flexible shaft, a return electrode, and an electrical conductor. The plurality of tines are formed of an electrically conductive material and configured to deploy from a lumen at the distal end of the catheter body. Each tine of the plurality of tines is configured to self-bias from a linear configuration within the lumen to a curved configuration when deployed from the lumen. The shaft is mechanically and electrically coupled to the plurality of tines. The shaft is configured to deploy the tines from the lumen when the shaft is moved toward the distal end of the catheter body. The return electrode is disposed on an outer surface of the catheter body. The electrical conductor is electrically coupled to the return electrode.

    MEDICAL SYSTEM FOR MAPPING CARDIAC TISSUE
    54.
    发明申请

    公开(公告)号:US20190029535A1

    公开(公告)日:2019-01-31

    申请号:US16148904

    申请日:2018-10-01

    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example system for mapping the electrical activity of the heart includes a catheter shaft. The catheter shaft includes a plurality of electrodes including a first and a second electrode. The system also includes a processor. The processor is capable of collecting a first signal corresponding to a first electrode over a time period and generating a first time-frequency distribution corresponding to the first signal. The first time-frequency distribution includes a first dominant frequency value representation occurring at one or more first base frequencies. The processor is also capable of applying a filter to the first signal or derivatives thereof to determine whether the first dominant frequency value representation includes a single first dominant frequency value at a first base frequency or two or more first dominant frequency values at two or more base frequencies.

    Medical system for mapping cardiac tissue

    公开(公告)号:US10085659B2

    公开(公告)日:2018-10-02

    申请号:US14874097

    申请日:2015-10-02

    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example system for mapping the electrical activity of the heart includes a catheter shaft. The catheter shaft includes a plurality of electrodes including a first and a second electrode. The system also includes a processor. The processor is capable of collecting a first signal corresponding to a first electrode over a time period and generating a first time-frequency distribution corresponding to the first signal. The first time-frequency distribution includes a first dominant frequency value representation occurring at one or more first base frequencies. The processor is also capable of applying a filter to the first signal or derivatives thereof to determine whether the first dominant frequency value representation includes a single first dominant frequency value at a first base frequency or two or more first dominant frequency values at two or more base frequencies.

    Reconstruction of cardiac activation information based on electrical and mechanical means
    60.
    发明授权
    Reconstruction of cardiac activation information based on electrical and mechanical means 有权
    基于电气和机械手段重建心脏激活信息

    公开(公告)号:US09517017B2

    公开(公告)日:2016-12-13

    申请号:US14154972

    申请日:2014-01-14

    Abstract: An anatomical mapping system includes a plurality of mapping electrodes, a plurality of mechanical sensors, and a mapping processor associated with the plurality of mapping electrodes and mechanical sensors. The mapping electrodes are configured to detect electrical activation signals of intrinsic physiological activity within an anatomical structure. The mechanical sensors are configured to detect mechanical activity associated with the intrinsic physiological activity. The mapping processor is configured to record the detected activation signals and associate one of the plurality of mapping electrodes and mechanical sensors with each recorded activation signal. The mapping processor is further configured to determine activation times of the intrinsic physiological activity based on a correlation of corresponding electrical activation signals and mechanical activity.

    Abstract translation: 解剖映射系统包括多个映射电极,多个机械传感器和与多个映射电极和机械传感器相关联的映射处理器。 映射电极被配置为检测解剖结构内的内在生理活动的电激活信号。 机械传感器被配置为检测与内在生理活动相关的机械活动。 映射处理器被配置为记录检测到的激活信号,并将多个映射电极和机械传感器之一与每个记录的激活信号相关联。 映射处理器还被配置为基于对应的电激活信号和机械活动的相关性来确定内在生理活动的激活时间。

Patent Agency Ranking