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    METHOD AND APPARATUS FOR RECAPTURING AN IMPLANT FROM THE LEFT ATRIAL APPENDAGE
    31.
    发明申请
    METHOD AND APPARATUS FOR RECAPTURING AN IMPLANT FROM THE LEFT ATRIAL APPENDAGE 审中-公开
    用于从左侧附件中重建植入物的方法和装置

    公开(公告)号：US20150327979A1

    公开(公告)日：2015-11-19

    申请号：US14809979

    申请日：2015-07-27

    申请人： ATRITECH, INC.

    发明人： Chris Quinn ,  Jin Shimada ,  Kevin Anderson

    IPC分类号： A61F2/01 ,  A61B17/12 ,  A61B17/00

    CPC分类号： A61F2/013 ,  A61B17/0057 ,  A61B17/12022 ,  A61B17/12122 ,  A61B17/12172 ,  A61B90/39 ,  A61B2017/12054 ,  A61B2017/12081 ,  A61B2017/12095 ,  A61B2017/22035 ,  A61B2090/08021 ,  A61F2002/018 ,  A61F2230/0006 ,  A61F2230/0071

    摘要： A system and method for retrieving an implantable device includes a delivery catheter, a recapture section, and a sheath. The delivery catheter has a proximal end and a distal end. The recapture section is axially extendable from the distal end of the delivery catheter. The sheath has a proximal end and a distal end and a lumen sized to receive the delivery catheter. A portion of the lumen of the sheath is actuatable from an enlarged inside diameter to a reduced inside diameter to apply an inwardly directed force to the recapture section. The delivery catheter can be actuated with respect to the sheath to extend or retract the recapture section with respect to the delivery catheter.

    摘要翻译： 用于检索可植入装置的系统和方法包括输送导管，再捕获部分和护套。 输送导管具有近端和远端。 再捕获部分可从输送导管的远端轴向延伸。 护套具有近端和远端以及尺寸适于接纳输送导管的内腔。 护套的内腔的一部分可以从扩大的内径致动到减小的内径，以向再取回部分施加向内的力。 输送导管可以相对于护套被致动以相对于输送导管延伸或缩回再捕获部分。

    ATRIAL APPENDAGE BLOOD FILTRATION SYSTEMS
    35.
    发明申请
    ATRIAL APPENDAGE BLOOD FILTRATION SYSTEMS 审中-公开

    公开(公告)号：US20180140412A1

    公开(公告)日：2018-05-24

    申请号：US15864412

    申请日：2018-01-08

    申请人： ATRITECH, INC.

    发明人： Gregg S. Sutton ,  Jeffrey Welch ,  Dean A. Peterson ,  John B. Bridgeman ,  Bruce R. Youngberg

    IPC分类号： A61F2/01 ,  A61B17/00 ,  A61B17/12

    摘要： Instrumentation for percutaneous delivery of blood filtration devices to atrial appendages includes a curved access sheath and a delivery tube. A compressed filter device attached to a tether wire is loaded in the delivery tube. The access sheath and the delivery tube can be mechanically locked and moved together to place the device in a suitable deployment position. The device is deployed by expelling it from the delivery tube either by retracting the delivery tube over the tether wire, or by moving the tether wire forward through the delivery tube. A filter membrane in the deployed device extends across the appendage ostium to filter blood flow through the ostium. The filter membrane is configured to present a flat surface to atrial blood flow past the ostium.

    Intracardiac cage and method of delivering same
    36.
    发明授权
    Intracardiac cage and method of delivering same 有权
    心内笼和交付方法

    公开(公告)号：US09445895B2

    公开(公告)日：2016-09-20

    申请号：US14846127

    申请日：2015-09-04

    申请人： ATRITECH, INC.

    发明人： Marc S. Kreidler

    IPC分类号： A61F2/24 ,  A61B17/00 ,  A61B17/12 ,  A61F2/01

    CPC分类号： A61B17/0057 ,  A61B17/12022 ,  A61B17/12122 ,  A61B17/12172 ,  A61B2017/00243 ,  A61B2017/00575 ,  A61B2017/00579 ,  A61B2017/00592 ,  A61B2017/00597 ,  A61B2017/00606 ,  A61B2017/00615 ,  A61B2017/00623 ,  A61F2/01 ,  A61F2/2427 ,  A61F2002/018 ,  A61F2230/0006 ,  A61F2230/0067 ,  A61F2230/0071 ,  A61F2230/0076

    摘要： A method of preventing ingress of material into the left atrium of a heart includes providing a delivery sheath, advancing the sheath distal end through an opening between the right atrium and the left atrium of the heart, providing an expandable cage, delivering the expandable cage to the left atrium, and expanding the expandable cage within the left atrium. The expandable cage includes a proximal end, a distal end, and a plurality of supports extending therebetween. The expandable cage also includes a first membrane provided at its proximal end and a second membrane provided at its distal end. The expandable cage has a collapsed configuration so that it can be received within the lumen of the delivery sheath, and an expanded configuration for deployment within the heart. When expanded, the first membrane is positioned at an opening between the left and right atria of the heart, and the second membrane is positioned at the ostium of the left atrial appendage. The first membrane substantially prevents passage of blood between the atria and the second membrane prevents passage of embolic material from the left atrial appendage into the left atrium of the heart.

    摘要翻译： 防止材料进入心脏左心房的方法包括提供输送护套，使护套远端穿过心脏的右心房和左心房之间的开口，提供可扩张的笼，将可扩张的笼子传送到 左心房，并扩大左心房内的可扩张笼。 可膨胀笼包括近端，远端以及在其间延伸的多个支撑件。 可膨胀笼还包括在其近端处设置的第一膜和在其远端处设置的第二膜。 可膨胀保持架具有收缩构型，使得其可以容纳在输送护套的内腔中，并且扩展构型用于在心脏内展开。 当扩张时，第一膜位于心脏左心房和右心房之间的开口处，第二膜位于左心耳的口处。 第一膜基本上防止血液在心房和第二膜之间通过，阻止栓塞材料从左心耳通过到心脏的左心房。

    FILTER APPARATUS FOR OSTIUM OF LEFT ATRIAL APPENDAGE
    37.
    发明申请
    FILTER APPARATUS FOR OSTIUM OF LEFT ATRIAL APPENDAGE 审中-公开
    过滤装置用于左心室附件

    公开(公告)号：US20160058539A1

    公开(公告)日：2016-03-03

    申请号：US14845524

    申请日：2015-09-04

    申请人： ATRITECH INC.

    发明人： Robert A. VanTassel ,  Robert G. Hauser ,  Robert Schwartz ,  David Holmes ,  Gregg S. Sutton ,  Thomas E. Borillo ,  Jeffrey Welch

    IPC分类号： A61F2/01 ,  A61B17/12 ,  A61B17/00

    CPC分类号： A61B17/00234 ,  A61B17/0057 ,  A61B17/12122 ,  A61B17/12136 ,  A61B17/12159 ,  A61B17/12172 ,  A61B2017/00243 ,  A61B2017/00597 ,  A61B2017/00619 ,  A61B2017/00632 ,  A61B2017/1205 ,  A61F2/01 ,  A61F2002/018 ,  A61F2230/0006 ,  A61F2230/005 ,  A61F2230/0067 ,  A61F2230/0069 ,  A61F2230/0076 ,  A61F2230/0078 ,  A61F2230/008 ,  A61F2230/0093

    摘要： Apparatus for permanent placement across an ostium of a left atrial appendage in a patient, which includes a filtering membrane configured to extend across the ostium of the left atrial appendage. The filtering membrane has a permeable structure which allows blood to flow through but substantially inhibits thrombus from passing therethrough. The apparatus also includes a support structure attached to the filtering membrane which retains the filtering membrane in position across the ostium of the left atrial appendage by permanently engaging a portion of the interior wall of the left atrial appendage. The support structure may be radially expandable from a first configuration to a second configuration which engages the ostium or the interior wall of the left atrial appendage.The filtering membrane may define an opening therethrough that is configured to expand from a first size which inhibits the passage of thrombus therethrough to a second size which allows an interventional device, e.g., an expansion balloon, to pass therethrough, and wherein the opening is resiliently biased towards the first size.

    摘要翻译： 用于永久性放置在患者左心耳的口上的装置，其包括配置成延伸穿过左心耳的口的过滤膜。 过滤膜具有允许血液流过但可以基本上抑制血栓通过的可渗透结构。 该装置还包括附接到过滤膜的支撑结构，其通过永久地接合左心耳内壁的一部分而将过滤膜保持在左心耳的口处的适当位置。 支撑结构可以从第一构型径向扩张到接合左心耳的口或内壁的第二构型。 过滤膜可以限定穿过其中的开口，其被构造成从阻止血栓通过的第一尺寸膨胀到允许介入装置（例如膨胀气囊）穿过其中的第二尺寸，并且其中开口是弹性的 偏向于第一大小。