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    Intravascular ventricular assist device
    104.
    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

    Applicant: HeartWare, Inc.

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

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

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

    Abstract: 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.

    Abstract translation: 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。

    Impeller for axial flow pump
    105.
    发明授权
    Impeller for axial flow pump 有权
    轴流泵叶轮

    公开(公告)号：US09561313B2

    公开(公告)日：2017-02-07

    申请号：US14459532

    申请日：2014-08-14

    Applicant: HeartWare, Inc.

    Inventor： Mustafa Ertan Taskin

    IPC: A61M1/10 ,  F04D29/041 ,  F04D29/18 ,  A61M1/12

    CPC classification number: A61M1/122 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  F04D29/0413 ,  F04D29/181

    Abstract: A rotor for an axial-flow blood pump has blades projecting outwardly from a hub and channels between the blades. The blades incorporate hydrodynamic bearing surfaces capable of suspending the rotor during operation. The rotor has a configuration which provides superior pumping action and reduced shear of blood passing through the pump. The forwardly facing pressure surfaces of the blades may include outflow corner surface at their downstream ends. The outflow corner surfaces desirably slope rearwardly and intersect the rearwardly-facing suction surfaces of the blades at outflow ends of the blades.

    Abstract translation: 用于轴向血液泵的转子具有从毂向外突出的叶片和在叶片之间的通道。 叶片包括能够在操作期间悬挂转子的流体动力轴承表面。 转子具有提供优异的泵送作用和减少通过泵的血液剪切的构造。 叶片的向前的压力表面可以包括在其下游端处的流出拐角表面。 流出的拐角表面理想地向后倾斜并且在叶片的流出端处与叶片的面向后的吸入表面相交。

    VENTRICULAR ASSIST DEVICES HAVING A HOLLOW ROTOR AND METHODS OF USE
    106.
    发明申请
    VENTRICULAR ASSIST DEVICES HAVING A HOLLOW ROTOR AND METHODS OF USE 审中-公开
    具有中空转子的空调辅助装置及其使用方法

    公开(公告)号：US20160375187A1

    公开(公告)日：2016-12-29

    申请号：US15196436

    申请日：2016-06-29

    Applicant: Thoratec Corporation

    Inventor： Eric T. Lee ,  William V. Hodges ,  Yi-Ren Woo

    IPC: A61M1/10 ,  A61M1/12

    CPC classification number: A61M1/1012 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/1086 ,  A61M1/122 ,  A61M1/127

    Abstract: Blood pumps for ventricular assist devices employ a hollow rotor to impel blood through the blood pump. A blood pump includes a housing having a housing inlet, a housing outlet, and a housing blood flow channel through which the housing inlet and the housing outlet are in fluid communication. A motor stator is disposed around the housing blood flow channel and operable to generate a rotating magnetic field. A hollow rotor is disposed within the housing blood flow channel and rotated via the rotating magnetic field. The hollow rotor has a rotor circumferential wall enclosing a rotor blood flow channel. The hollow rotor has at least one rotor blade extending inwardly from the rotor circumferential wall. The at least one rotor blade is configured to impel blood through the rotor blood flow channel when the hollow rotor is rotated via the rotating magnetic field.

    Abstract translation: 用于心室辅助装置的血泵使用中空转子来推动血液通过血液泵。 血液泵包括具有壳体入口，壳体出口和壳体血流通道的壳体，壳体入口和壳体出口通过该血液通道流体连通。 马达定子围绕壳体血流通道设置并且可操作以产生旋转磁场。 空心转子设置在壳体血流通道内并经由旋转磁场旋转。 中空转子具有包围转子血流通道的转子周壁。 中空转子具有从转子周向壁向内延伸的至少一个转子叶片。 所述至少一个转子叶片构造成当中空转子经由旋转磁场旋转时，通过转子血流通道推动血液。

    CENTRIFUGAL PUMP
    108.
    发明申请
    CENTRIFUGAL PUMP 审中-公开
    离心泵

    公开(公告)号：US20160281743A1

    公开(公告)日：2016-09-29

    申请号：US15181696

    申请日：2016-06-14

    Applicant: TERUMO KABUSHIKI KAISHA

    Inventor： YOSUKE ITAMOCHI

    IPC: F04D29/66 ,  F04D29/42 ,  F04D29/22 ,  A61M1/26 ,  F04D13/06 ,  F04D29/046 ,  A61M1/10 ,  A61M1/16 ,  F04D1/00 ,  F04D29/043

    CPC classification number: F04D29/669 ,  A61M1/1006 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1013 ,  A61M1/1036 ,  A61M1/1698 ,  A61M1/267 ,  F04D1/00 ,  F04D13/024 ,  F04D13/06 ,  F04D29/041 ,  F04D29/043 ,  F04D29/0467 ,  F04D29/22 ,  F04D29/2216 ,  F04D29/426

    Abstract: A centrifugal pump (10) includes a housing (26), an impeller (28) that is rotatably disposed in the housing (26), a shaft (62) that is provided at a center rotational axis of the impeller (28), and bearings members (70) that respectively and pivotally support the shaft ends (66). An elastic body (80) which is elastically deformable at least in an axial direction of the shaft (62) is provided between at least one of the bearings (70) and the housing (26) or at an intermediate portion of the shaft (62) in the axial direction. A tightening load exerted on the shaft and bearing members can be maintained in a predetermined range even when age-related deformation of the housing or other components occurs.

    Abstract translation: 离心泵（10）包括壳体（26），可旋转地设置在壳体（26）中的叶轮（28），设置在叶轮（28）的中心旋转轴线处的轴（62），以及 分别枢转地支撑轴端部（66）的轴承构件（70）。 在至少一个轴承（70）和壳体（26）之间或在轴（62）的中间部分处设置至少在轴（62）的轴向方向上可弹性变形的弹性体（80） ）。 即使发生壳体或其他部件的年龄相关变形，施加在轴和构件上的紧固载荷也可以保持在预定范围内。

    BLOOD PUMP
    109.
    发明申请
    BLOOD PUMP 有权
    血液泵

    公开(公告)号：US20160250402A1

    公开(公告)日：2016-09-01

    申请号：US15151238

    申请日：2016-05-10

    Applicant: Berlin Heart GmbH

    Inventor： Peter Nüsser ,  Georg Konstas

    IPC: A61M1/12 ,  A61M1/10

    CPC classification number: A61M1/122 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1029 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/1086

    Abstract: A blood pump having an axially tubular inlet, a tangential chamber adjoining the axial inlet and having a substantially radial outlet, with an axial guide body connected to the outlet and/or to the tangential chamber, an impeller supported on the guide body and having an inner surface facing the guide body and an outer surface as well as blading arranged on the outer surface. At least one part region of the guide body projects from the tangential chamber into the inlet, wherein at least one section of the stator transmitting a force onto the rotor is arranged in the part region. The impeller is supported by a hydrodynamic radial bearing in the radial direction.

    Abstract translation: 一种具有轴向管状入口的血泵，与所述轴向入口相邻并且具有基本上径向出口的切向腔，其具有连接到所述出口和/或所述切向室的轴向引导体，支撑在所述引导体上的叶轮， 面向引导体的内表面以及布置在外表面上的外表面以及叶片。 引导体的至少一个部分区域从切向室突出到入口中，其中在该部分区域中布置有将力传递到转子上的定子的至少一个部分。 叶轮由径向方向的流体动力径向轴承支撑。

    Blood pump
    110.
    发明授权
    Blood pump 有权
    血泵

    公开(公告)号：US09393355B2

    公开(公告)日：2016-07-19

    申请号：US13505368

    申请日：2010-11-08

    Applicant: Hans-Erhard Peters ,  Joerg Müller ,  Kurt Graichen ,  Peter Nüsser ,  Manfred Göllner ,  Andreas Arndt

    Inventor： Hans-Erhard Peters ,  Joerg Müller ,  Kurt Graichen ,  Peter Nüsser ,  Manfred Göllner ,  Andreas Arndt

    IPC: A61M1/12 ,  A61M1/10

    CPC classification number: A61M1/122 ,  A61M1/1008 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1029 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/1086 ,  A61M1/12 ,  A61M1/125

    Abstract: A blood pump has a hollow body in which an impeller with a spiral blading produces an axial propulsion of blood along the impeller, as well as an at least partly actively stabilized magnetic bearing device and a hydrodynamic bearing device for the impeller. The impeller may be set into a rotation about a rotation axis of the impeller with a motor stator located outside the hollow body. The hollow body has an inlet for the flow of blood into the hollow body in an inflow direction which is essentially parallel to the rotation axis, and an outlet for the outflow of the blood out of the hollow body in an outflow direction which is offset to the rotation axis of the impeller to produce a non-zero outflow angle (α) between the inflow direction and the outflow direction. A total artificial heart can be formed from two such blood pumps.

    Abstract translation: 血泵具有中空体，其中具有螺旋叶片的叶轮在其中产生沿着叶轮的血液的轴向推进，以及用于叶轮的至少部分主动稳定的磁轴承装置和流体动力轴承装置。 叶轮可以围绕叶轮的旋转轴线旋转，其中定子位于中空体外部。 中空体具有入口，用于沿着基本上平行于旋转轴线的流入方向将血液流入中空体，以及用于将血液从流出方向流出中空体的出口，该出口偏移到 叶轮的旋转轴线在流入方向和流出方向之间产生非零流出角（α）。 可以从两个这样的血泵形成总人造心脏。

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