ABLATION CATHETERS
    1.
    发明申请
    ABLATION CATHETERS 审中-公开

    公开(公告)号:US20200069364A1

    公开(公告)日:2020-03-05

    申请号:US16379140

    申请日:2019-04-09

    摘要: Cardiac tissue ablation catheters including an inflatable and flexible toroidal or spherically shaped balloon disposed at a distal region of an elongate member, a flexible circuit carried by an outer surface of the balloon, the flexible circuit including, a plurality of flexible branches conforming to the radially outer surface of the balloon, each of the plurality of flexible branches including a substrate, a conductive trace carried by the substrate, and an ablation electrode carried by the substrate, the ablation electrode in electrical communication with the conductive trace, and an elongate shaft comprising a guidewire lumen extending in the elongate member and extending from a proximal region of the inflatable balloon to distal region of the inflatable balloon and being disposed within the inflatable balloon, wherein a distal region of the elongate shaft is secured directly or indirectly to the distal region of the inflatable balloon.