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    Intravascular ventricular assist device
    2.
    发明授权
    Intravascular ventricular assist device 有权
    血管内心室辅助装置

    公开(公告)号：US09579433B2

    公开(公告)日：2017-02-28

    申请号：US14171615

    申请日：2014-02-03

    申请人： HeartWare, Inc.

    发明人： Jeffrey A. LaRose ,  Charles R. Shambaugh, Jr. ,  Daniel G. White ,  Richard A. Marquis ,  Steven A. White ,  Kartikeyan Trichi

    IPC分类号： A61N1/362 ,  A61M1/10 ,  A61M1/12

    CPC分类号： A61M1/125 ,  A61M1/1008 ,  A61M1/101 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/122 ,  A61M2205/0211 ,  A61M2205/0272 ,  A61M2205/8206 ,  A61M2210/127

    摘要： One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for providing a magnetic field within the bore to induce rotation of each of the one or more rotors. Another aspect of the invention includes methods of providing cardiac assistance to a mammalian subject as, for example, a human. Further aspects of the invention include rotor bodies having helical channels formed longitudinally along the length of the body of the rotor where each helical channel is formed between peripheral support surface areas facing radially outwardly and extending generally in circumferential directions around the rotational axis of the rotor.

    摘要翻译： 血管内心室辅助装置的一个方面是可植入血液泵，其中泵包括限定具有轴的孔的壳体，设置在孔内的一个或多个转子，每个转子包括多个磁极，以及一个或多个围绕 所述孔用于在所述孔内提供磁场以引起所述一个或多个转子中的每一个的旋转。 本发明的另一方面包括向例如人类的哺乳动物受试者提供心脏辅助的方法。 本发明的其它方面包括具有沿着转子主体的长度纵向形成的螺旋通道的转子体，其中每个螺旋通道形成在围绕转子的旋转轴线的径向向外并沿圆周方向延伸的外围支撑表面区域之间。

    Stabilizing drive for contactless rotary blood pump impeller
    4.
    发明授权
    Stabilizing drive for contactless rotary blood pump impeller 有权
    非接触式旋转式血液泵叶轮稳定驱动

    公开(公告)号：US09050405B2

    公开(公告)日：2015-06-09

    申请号：US14191312

    申请日：2014-02-26

    申请人： HeartWare, Inc.

    发明人： Jeffrey A. LaRose ,  Charles R. Shambaugh

    IPC分类号： F04D29/048 ,  F01D3/00 ,  A61M1/10 ,  F04D13/06 ,  A61M1/12 ,  F04D29/047

    CPC分类号： A61M1/1036 ,  A61M1/101 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1029 ,  A61M1/1031 ,  A61M1/122 ,  A61M1/127 ,  F04D13/0633 ,  F04D13/0666 ,  F04D29/0473 ,  F04D29/048

    摘要： A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the pumping chamber to move to the blood outlet. The impeller has one or more magnetic regions. The impeller is radially constrained in rotation by magnetic coupling to one or more motor stators and is axially constrained in rotation by one or more hydrodynamic thrust bearing surfaces on the impeller.

    摘要翻译： 旋转式血液泵包括限定泵送室的壳体。 泵送室具有血液入口和切向血液出口。 一个或多个电动机定子被设置在泵送室的外部。 可旋转叶轮在泵送室内并且适于使血液进入泵送室移动到血液出口。 叶轮具有一个或多个磁性区域。 叶轮通过磁耦合到一个或多个电动机定子而被径向约束旋转，并且通过叶轮上的一个或多个流体动力推力轴承表面轴向地受到约束。

    AXIAL FLOW PUMP WITH MULTI-GROOVED ROTOR
    6.
    发明申请
    AXIAL FLOW PUMP WITH MULTI-GROOVED ROTOR 有权
    带多槽转子的轴流泵

    公开(公告)号：US20150038769A1

    公开(公告)日：2015-02-05

    申请号：US14327971

    申请日：2014-07-10

    申请人： HeartWare, Inc.

    发明人： Jeffrey A. LaRose ,  Charles R. Shambaugh, JR. ,  Kartikeyan Trichi ,  Richard A. Marquis ,  Daniel G. White

    IPC分类号： A61M1/10 ,  A61M1/12

    CPC分类号： A61M1/1036 ,  A61M1/1008 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1029 ,  A61M1/1031 ,  A61M1/1086 ,  A61M1/122 ,  A61M1/125 ,  F04D3/02 ,  F04D29/0476

    摘要： An axial-flow blood pump for pumping blood includes a substantially cylindrical outer enclosure. A tubular housing concentric with and located within the outer enclosure has at one end an inlet and at an opposite end an outlet. A motor stator is concentric with and located between the outer enclosure and the tubular housing. An impeller is concentric with and located within the tubular housing. The impeller is suspended in operation by a combination of passive magnetic forces between magnets within the impeller or magnetized regions of the impeller and the motor stator and hydrodynamic thrust forces generated as blood flows between the tubular housing and a plurality of hydrodynamic thrust bearing surfaces located on the impeller. A volute may be in fluid-tight connection with the outlet of the tubular housing for receiving blood in the axial direction and directing blood in a direction normal to the axial direction. The volute has a flow-improving member extending axially from the volute and into and coaxially with the tubular housing.

    摘要翻译： 用于泵送血液的轴流血泵包括基本上圆柱形的外壳。 与外壳同心并且位于外壳内的管状壳体在一端具有入口，在相对端具有出口。 电动机定子与外壳和管状壳体同心并位于外壳和管壳之间。 叶轮与管状壳体同心且位于管状壳体内。 叶轮悬挂在操作中，通过叶轮内的磁体或叶轮的磁化区域和电动机定子之间的无源磁力的组合以及当管状壳体和位于管状壳体之间的多个流体动力推力轴承表面时产生的流体动力推力 叶轮。 蜗壳可以与管状壳体的出口流体密封连接，用于在轴向方向上接收血液并且在垂直于轴向的方向上引导血液。 蜗壳具有从蜗壳轴向延伸并与管状壳体同轴的流动改进构件。

    Flanged heart tissue blocker
    9.
    发明授权
    Flanged heart tissue blocker 有权

    公开(公告)号：US10159772B2

    公开(公告)日：2018-12-25

    申请号：US15471575

    申请日：2017-03-28

    申请人： HeartWare, Inc.

    发明人： Jeffrey A. LaRose ,  Lance Lynn Andrus

    IPC分类号： A61M1/00 ,  A61B17/02 ,  A61M1/10

    摘要： An apparatus for protecting heart tissue from an implanted inlet element of a blood pump. The apparatus includes a flange member having a first radially constricted configuration and a second radially expanded configuration, the flange member being biased in its second radially expanded configuration. The flange member defines an opening there through sized to receiving the inlet element of the blood pump. A retaining element extending from the flange member is included, the retaining element being flexible and sized to be disposed about at least a portion of the inlet element.