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85 条记录 (耗时 0.026 秒)

    Pacemaker Retrieval Systems and Methods
    73.
    发明申请
    Pacemaker Retrieval Systems and Methods 有权
    起搏器检索系统和方法

    公开(公告)号：US20120165827A1

    公开(公告)日：2012-06-28

    申请号：US13324802

    申请日：2011-12-13

    申请人： Alexander Khairkhahan ,  Alan Klenk ,  Thomas Blake Eby

    发明人： Alexander Khairkhahan ,  Alan Klenk ,  Thomas Blake Eby

    IPC分类号： A61B19/00

    CPC分类号： A61B17/3468 ,  A61B17/221 ,  A61B17/32056 ,  A61B2017/00358 ,  A61B2017/22035 ,  A61M25/0082 ,  A61N1/0573 ,  A61N1/059 ,  A61N1/362 ,  A61N1/37205 ,  A61N1/3756 ,  A61N2001/0578

    摘要： A catheter system for retrieving a leadless cardiac pacemaker from a patient is provided. The cardiac pacemaker can include a docking or retrieval feature configured to be grasped by the catheter system. In some embodiments, the retrieval catheter can include a snare configured to engage the retrieval feature of the pacemaker. The retrieval catheter can include a torque shaft selectively connectable to a docking cap and be configured to apply rotational torque to a pacemaker to be retrieved. Methods of delivering the leadless cardiac pacemaker with the delivery system are also provided.

    摘要翻译： 提供了一种用于从患者检索无引线心脏起搏器的导管系统。 心脏起搏器可以包括构造成被导管系统抓住的对接或检索特征。 在一些实施例中，回收导管可以包括构造成接合起搏器的检索特征的圈套。 回收导管可以包括可选择性地连接到对接盖的扭矩轴，并且被构造成将旋转扭矩施加到要起重器的起搏器。 还提供了使用输送系统递送无引线心脏起搏器的方法。

    Leadless Pacemaker with Radial Fixation Mechanism
    74.
    发明申请
    Leadless Pacemaker with Radial Fixation Mechanism 有权
    无引导起搏器与径向固定机制

    公开(公告)号：US20120158111A1

    公开(公告)日：2012-06-21

    申请号：US13331922

    申请日：2011-12-20

    申请人： Alexander KHAIRKHAHAN ,  Alan OSTROFF ,  Eric VARADY ,  Paul PASPA

    发明人： Alexander KHAIRKHAHAN ,  Alan OSTROFF ,  Eric VARADY ,  Paul PASPA

    IPC分类号： A61N1/05

    CPC分类号： A61N1/37205 ,  A61N1/057 ,  A61N1/0573 ,  A61N1/375 ,  A61N1/3756

    摘要： A leadless cardiac pacemaker having a radial fixation mechanism is provided. The cardiac pacemaker can include fixation mechanism separate from a pacing electrode and having a diameter equal to or less than the outer diameter of the pacemaker. The fixation mechanism can allow the pacemaker to be inserted into tissue with less than 2 rotations of the pacemaker to place the pacing electrode in contact with the tissue. In some embodiments, the fixation mechanism can comprise a plurality of hooks or protrusions positioned near a distal portion of the pacemaker. The fixation mechanism(s) can be configured to penetrate the endocardium of the patient and reside mostly within the myocardium. Methods of delivering the leadless cardiac pacemaker into the heart are also provided.

    摘要翻译： 提供具有径向固定机构的无引线心脏起搏器。 心脏起搏器可以包括与起搏电极分离并具有等于或小于起搏器的外径的直径的固定机构。 固定机构可以允许起搏器以小于2转的起搏器插入组织中以使起搏电极与组织接触。 在一些实施例中，固定机构可以包括定位在起搏器远侧部分附近的多个钩或突起。 固定机制可被配置成穿透患者的心内膜并且主要驻留在心肌内。 还提供了将无引导心脏起搏器送入心脏的方法。

    Leadless Cardiac Pacemaker with Anti-Unscrewing Feature
    75.
    发明申请
    Leadless Cardiac Pacemaker with Anti-Unscrewing Feature 有权
    无引力心脏起搏器，具有防松脱功能

    公开(公告)号：US20120116489A1

    公开(公告)日：2012-05-10

    申请号：US13272082

    申请日：2011-10-12

    申请人： Alexander Khairkhahan ,  Eric Varady ,  Kenneth J. Carroll ,  Paul Paspa

    发明人： Alexander Khairkhahan ,  Eric Varady ,  Kenneth J. Carroll ,  Paul Paspa

    IPC分类号： A61N1/05

    CPC分类号： A61N1/375 ,  A61N1/0573 ,  A61N1/37205 ,  A61N1/3756

    摘要： A leadless cardiac pacemaker comprises a housing, a plurality of electrodes coupled to an outer surface of the housing, and a pulse delivery system hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse delivery system configured for sourcing energy internal to the housing, generating and delivering electrical pulses to the electrode plurality. The pacemaker further comprises an anti-unscrewing feature disposed on either a fixation device of the pacemaker or on the housing itself. The anti-unscrewing feature can be configured to prevent the fixation device from disengaging the wall of the heart.

    摘要翻译： 无引线心脏起搏器包括壳体，耦合到壳体的外表面的多个电极和密封地容纳在壳体内并电耦合到电极多个的脉冲传送系统，该脉冲传送系统被配置用于将内部的能量 壳体，产生和传递电脉冲到电极多个。 起搏器还包括设置在起搏器的固定装置或壳体本身上的防旋拧特征。 防脱螺丝特征可被配置成防止固定装置脱离心脏的壁。

    Delivery Catheter Systems and Methods
    76.
    发明申请
    Delivery Catheter Systems and Methods 审中-公开
    输送导管系统和方法

    公开(公告)号：US20120095539A1

    公开(公告)日：2012-04-19

    申请号：US13272074

    申请日：2011-10-12

    申请人： Alexander Khairkhahan ,  Alan Klenk

    发明人： Alexander Khairkhahan ,  Alan Klenk

    IPC分类号： A61N1/05 ,  A61N1/04

    CPC分类号： A61N1/37205 ,  A61N1/37518 ,  A61N1/3756 ,  A61N2001/058

    摘要： A leadless cardiac pacemaker comprises a housing, a plurality of electrodes coupled to an outer surface of the housing, and a pulse delivery system hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse delivery system configured for sourcing energy internal to the housing, generating and delivering electrical pulses to the electrode plurality. Systems and methods for delivering the leadless cardiac pacemaker with delivery catheters are also provided. In some embodiments, the delivery catheters include first and second coaxial shafts configured to apply rotational torque to the pacemaker. In other embodiments, the pacemaker is held in place on the catheter with a tether.

    摘要翻译： 无引线心脏起搏器包括壳体，耦合到壳体的外表面的多个电极和密封地容纳在壳体内并电耦合到电极多个的脉冲传送系统，该脉冲传送系统被配置用于将内部的能量 壳体，产生和传递电脉冲到电极多个。 还提供了用输送导管输送无引线心脏起搏器的系统和方法。 在一些实施例中，输送导管包括构造成向起搏器施加旋转扭矩的第一和第二同轴轴。 在其他实施例中，起搏器在带有系绳的导管上保持就位。

    Method of making a laminar ventricular partitioning device
    78.
    发明授权
    Method of making a laminar ventricular partitioning device 有权
    制备层流心室分离装置的方法

    公开(公告)号：US07897086B2

    公开(公告)日：2011-03-01

    申请号：US11860438

    申请日：2007-09-24

    申请人： Alexander Khairkhahan ,  Serjan D. Nikolic

    发明人： Alexander Khairkhahan ,  Serjan D. Nikolic

    IPC分类号： B29C43/18 ,  B29C65/02

    CPC分类号： A61B17/12172 ,  A61B17/12122 ,  A61B2017/00526 ,  A61B2017/12095

    摘要： This invention is directed to a partitioning device for separating a chamber of a patient's heart into a productive portion and a non-productive portion. The device is particularly suitable for treating patients with congestive heart failure. The partitioning device has a frame-reinforced, expandable membrane which separates the productive and non-productive portions of the heart chamber. Elements of the frame include ribs that are secured to the expandable membrane, to form an integrated structure that may be unilaminar or bilaminar in form. The proximal ends of the ribs of the frame have tissue-penetrating elements about the periphery thereof which are configured to penetrate tissue lining the heart wall at an angle approximately perpendicular to a longitudinal axis of the partitioning device. The partitioning device has a hub with a non-traumatic distal end to engage the ventricular wall.

    摘要翻译： 本发明涉及一种用于将患者心脏的腔室分离为生产部分和非生产性部分的分隔装置。 该装置特别适用于治疗充血性心力衰竭患者。 分隔装置具有框架增强的可扩张膜，其分离心室的生产性和非生产性部分。 框架的元件包括固定到可膨胀膜的肋，以形成可以是单层或双层形式的整体结构。 框架的肋的近端具有围绕其周边的组织穿透元件，其被构造成以大致垂直于分隔装置的纵向轴线的角度穿过围绕心脏壁的组织。 分隔装置具有带有非创伤性远端的毂以接合心室壁。