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    CONTROLLED BALLOON DEPLOYMENT
    1.
    发明公开
    CONTROLLED BALLOON DEPLOYMENT 审中-公开

    公开(公告)号：US20230149166A1

    公开(公告)日：2023-05-18

    申请号：US18094273

    申请日：2023-01-06

    申请人： Edwards Lifesciences Corporation

    发明人： Yidong M. Zhu ,  Pu Zhou ,  Erik Bulman ,  Baigui Bian

    IPC分类号： A61F2/24 ,  A61F2/958 ,  A61M25/10

    CPC分类号： A61F2/2433 ,  A61F2/958 ,  A61M25/104 ,  A61F2250/0039 ,  A61M2025/1059 ,  A61M2025/1081 ,  A61M25/10187

    摘要： The methods and devices disclosed herein promote temporal control of balloon inflation patterns. The devices include a covering for a portion of the balloon that compresses the balloon portion during the inflation process. This enables the distal portion of a balloon to be inflated prior to the proximal portion of a balloon, creating a tapered shape at lower inflation pressures. This is especially useful during transvascular implantation procedures, as it prevents dislodgement of an implant mounted on the balloon. As inflation continues, pressure exerted on the balloon by the covering is overcome such that the proximal region of the balloon inflates, forming a shape with generally straighter sides than the tapered shape, thereby expanding the cardiovascular device.

    PERFUSION BALLOON DESIGN
    2.
    发明申请
    PERFUSION BALLOON DESIGN 有权

    公开(公告)号：US20230017997A1

    公开(公告)日：2023-01-19

    申请号：US17956527

    申请日：2022-09-29

    申请人： Edwards Lifesciences Corporation

    发明人： Yidong M. Zhu ,  Erik Bulman ,  Baigui Bian ,  Sam Sok ,  Pu Zhou

    IPC分类号： A61F2/24 ,  A61M25/10

    摘要： Disclosed herein are designs for improved inflatable structures for use during minimally invasive cardiovascular procedures. These inflatable structures facilitate the perfusion of blood through an anatomical structure, such as a heart valve, during the cardiovascular procedure. The inflatable structures are formed of a plurality of balloons arranged radially around a central location. The plurality of balloons form a lumen through which blood flows. Each balloon of the plurality is shaped or configured to stabilize the adjacent balloons, limiting their movement relative to each other. For example, some embodiments can feature balloons with a keystone shape that limits movement of the balloons inward toward the lumen. Some implementations can also include a support coil running through the lumen. The support coil holds enables the lumen to be open to perfusion even in the early stages of balloon inflation.

    EXPANDABLE SHEATH
    6.
    发明申请
    EXPANDABLE SHEATH 审中-公开
    可膨胀的沙子

    公开(公告)号：US20160296730A1

    公开(公告)日：2016-10-13

    申请号：US14880109

    申请日：2015-10-09

    申请人： Edwards Lifesciences Corporation

    发明人： Pu Zhou ,  Erik Bulman ,  Timothy A. Geiser ,  Michael G. Valdez ,  Yidong M. Zhu ,  Baigui Bian ,  Sonny Tran ,  Richard D. White ,  Thanh Huy Le ,  Tung T. Le ,  Alpana K. Gowdar

    IPC分类号： A61M25/06 ,  A61F2/24

    摘要： A delivery sheath includes an elastic outer tubular layer and an inner tubular layer having a thick wall portion integrally connected to a thin wall portion. The inner tubular layer can have a compressed or folded condition wherein the thin wall portion folds onto an outer surface of the thick wall portion under urging of the elastic outer tubular layer. When an implant passes therethrough, the outer tubular layer stretches and the inner tubular layer unfolds into an expanded lumen diameter. Once the implant passes, the outer tubular layer again urges the inner tubular layer into the compressed condition with the sheath reassuming its smaller profile. The sheath may also include selectively placed longitudinal rods that mediate friction between the inner and outer tubular layers to facilitate easy expansion and collapse, thereby reducing the push force needed to advance the implant through the sheath's lumen.

    摘要翻译： 输送护套包括弹性外管状层和内管状层，其具有与薄壁部分一体连接的厚壁部分。 内部管状层可以具有压缩或折叠状态，其中薄壁部分在弹性外部管状层的推动下折叠到厚壁部分的外表面上。 当植入物通过其中时，外管层延伸并且内管层展开成扩张的内腔直径。 一旦植入物通过，外管层再次迫使内管层进入压缩状态，护套重新确定其较小的轮廓。 护套还可以包括选择性放置的纵向杆，其介导内部和外部管状层之间的摩擦，以便于容易的膨胀和塌缩，从而减少使植入物通过护套的内腔所需的推力。

    EXPANDABLE SHEATH WITH LONGITUDINALLY EXTENDING REINFORCING MEMBERS
    7.
    发明公开
    EXPANDABLE SHEATH WITH LONGITUDINALLY EXTENDING REINFORCING MEMBERS 审中-公开

    公开(公告)号：US20230321407A1

    公开(公告)日：2023-10-12

    申请号：US18207076

    申请日：2023-06-07

    申请人： EDWARDS LIFESCIENCES CORPORATION

    发明人： Pu Zhou ,  Erik Bulman ,  Baigui Bian

    IPC分类号： A61M25/00 ,  A61F2/24 ,  A61M25/06

    CPC分类号： A61M25/0662 ,  A61F2/2436 ,  A61M25/0023 ,  A61F2/2433 ,  A61F2/958

    摘要： An expandable delivery sheath includes an elastic outer tubular layer and an inner tubular layer. The inner tubular layer include a thick wall portion integrally connected to a thin wall portion. The thin wall portion can include longitudinal reinforcing members/rods that facilitate unfolding during the passage of the implant, thus decreasing the push force and increasing the consistency of the push force. The inner tubular layer can have a non-expanded or folded condition wherein the thin wall portion folds onto an outer surface of the thick wall portion under urging of the elastic outer tubular layer. When an implant passes therethrough, the outer tubular layer stretches and the inner tubular layer unfolds into an expanded lumen diameter. Once the implant passes, the outer tubular layer again urges the inner tubular layer into the non-expanded condition with the sheath reassuming its smaller profile.

    Expandable sheath with longitudinally extending reinforcing members
    8.
    发明授权
    Expandable sheath with longitudinally extending reinforcing members 有权

    公开(公告)号：US11707605B2

    公开(公告)日：2023-07-25

    申请号：US17068632

    申请日：2020-10-12

    申请人： Edwards Lifesciences Corporation

    发明人： Pu Zhou ,  Erik Bulman ,  Baigui Bian

    IPC分类号： A61M25/04 ,  A61M25/06 ,  A61M25/00 ,  A61F2/24 ,  A61F2/958

    CPC分类号： A61M25/0662 ,  A61F2/2436 ,  A61M25/0023 ,  A61F2/2433 ,  A61F2/958 ,  A61M25/005 ,  A61M2025/0024

    摘要： An expandable delivery sheath includes an elastic outer tubular layer and an inner tubular layer. The inner tubular layer include a thick wall portion integrally connected to a thin wall portion. The thin wall portion can include longitudinal reinforcing members/rods that facilitate unfolding during the passage of the implant, thus decreasing the push force and increasing the consistency of the push force. The inner tubular layer can have a non-expanded or folded condition wherein the thin wall portion folds onto an outer surface of the thick wall portion under urging of the elastic outer tubular layer. When an implant passes therethrough, the outer tubular layer stretches and the inner tubular layer unfolds into an expanded lumen diameter. Once the implant passes, the outer tubular layer again urges the inner tubular layer into the non-expanded condition with the sheath reassuming its smaller profile.