公开(公告)号：US20130115070A1

公开(公告)日：2013-05-09

申请号：US13695921

申请日：2011-04-29

Applicant: Robert Baumgartner ,  Benjamin Mattern ,  Andreas Henseler

Inventor： Robert Baumgartner ,  Benjamin Mattern ,  Andreas Henseler

IPC: F04D29/42

CPC classification number: F04D29/426 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1015 ,  A61M1/1036 ,  A61M1/122 ,  F04D13/0633 ,  F04D29/588

Abstract: A blood pump includes a rotor mounted in a pump housing via a bearing. The housing includes a metal rod extending from the outer wall of the housing towards the inner side of the housing. The rod allows dissipating heat and has a stabilising action.

Abstract translation: 血泵包括通过轴承安装在泵壳体中的转子。 壳体包括从壳体的外壁朝向壳体的内侧延伸的金属杆。 该杆允许散热并具有稳定作用。

公开(公告)号：US20120277520A1

公开(公告)日：2012-11-01

申请号：US13502301

申请日：2010-10-14

Applicant: Coley B. Duncan

Inventor： Coley B. Duncan

IPC: A61M1/12

CPC classification number: A61N1/3787 ,  A61M1/10 ,  A61M1/101 ,  A61M1/1036 ,  A61M1/12 ,  A61M1/127 ,  A61M2205/3515 ,  A61M2205/8243

Abstract: Transcutaneous magnetic energy transfer to drive a VAD or other implanted medical device can be supplied through two spinning (or otherwise moving) permanent magnets, or a moving permanent magnet and a moving ferric material, or a moving permanent magnet and a coil or an array of coils, One part is implanted under the patient's skin, so that the skin does not have to be broken for a connection to take place.

Abstract translation: 用于驱动VAD或其他植入的医疗装置的经皮磁能转移可以通过两个旋转（或其它移动的）永久磁铁或移动的永磁体和移动的三价铁材料，或移动的永磁体和线圈或阵列 线圈，一部分植入患者的皮肤下，使皮肤不必被破坏以进行连接。

公开(公告)号：US20120093628A1

公开(公告)日：2012-04-19

申请号：US13318678

申请日：2010-04-29

Applicant: Reiner Liebing

Inventor： Reiner Liebing

IPC: F01D5/02

CPC classification number: F04D29/242 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1024 ,  A61M1/1031 ,  A61M1/1032 ,  A61M1/1034 ,  A61M1/1036 ,  A61M1/122 ,  A61M1/125 ,  F04C2/02 ,  F04C14/22 ,  F04D29/043 ,  F04D29/046 ,  F04D29/181 ,  F04D29/528 ,  Y10S415/90

Abstract: The invention relates to a fluid pump device, in particular for the medical application, with a compressible pump housing (6) and rotor (7), as well as with an actuation means (8) which runs in the sleeve (4) and on whose end the fluid pump is arranged. In order to utilise all possibilities of a space-saving arrangement of the respective pump housing of the rotor, which is compressible per se, and as the case a bearing arrangement, the mentioned elements are displaceable to one another in the axial direction compared to an operation position. In particular these elements may be end-configured by way of an axial movement of the drive shaft after the assembly.

Abstract translation: 本发明涉及具有可压缩泵壳体（6）和转子（7）的流体泵装置，特别是用于医疗应用的流体泵装置，以及在套筒（4）中运行的致动装置（8） 其末端配置有流体泵。 为了利用本身可压缩的转子的相应的泵壳的节省空间的所有可能性，并且作为轴承装置的情况，所提到的元件可相对于轴向方向彼此相对移动，与 操作位置 特别地，这些元件可以在组装之后通过驱动轴的轴向移动来端部构造。

公开(公告)号：US20120029265A1

公开(公告)日：2012-02-02

申请号：US13196693

申请日：2011-08-02

Applicant: Jeffrey A. LaRose ,  Charles R. Shambaugh, JR. ,  Daniel G. White ,  Richard A. Marquis ,  Steven A. White ,  Kartikeyan Trichi ,  Palanivelu Thyagarajan

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

IPC: A61M1/10 ,  F04D29/38

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周向支撑表面区域之间。

公开(公告)号：US20110318203A1

公开(公告)日：2011-12-29

申请号：US13254979

申请日：2010-03-01

Applicant: Takayoshi Ozaki ,  Hiroyuki Yamada ,  Kenichi Suzuki ,  Ken Sugiura

Inventor： Takayoshi Ozaki ,  Hiroyuki Yamada ,  Kenichi Suzuki ,  Ken Sugiura

IPC: F04B17/00

CPC classification number: F04D25/026 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/122 ,  F04D13/026 ,  F04D13/027 ,  F04D13/0666 ,  F04D17/10 ,  F04D29/048

Abstract: In this centrifugal blood pump apparatus, one permanent magnet is provided in one surface of an impeller, a second permanent magnet is provided in an inner wall of a blood chamber, a third permanent magnet is provided in the other surface of the impeller, and a fourth permanent magnet and a rotor for driving the impeller to rotate are provided, with an diaphragm being interposed. An amount of change in attractive force between the first permanent magnet and the second permanent magnet and an amount of change in attractive force between the third and fourth permanent magnets when the impeller is eccentric are made substantially equal to each other. Therefore, a levitation position of the impeller can always be maintained at a substantially central position in a housing.

Abstract translation: 在该离心式血液泵装置中，在叶轮的一个表面设置有一个永磁体，在血液室的内壁设置有第二永久磁铁，在叶轮的另一面设有第三永久磁铁， 第四永磁体和用于驱动叶轮旋转的转子设置有隔膜。 当叶轮偏心时，第一永磁体和第二永磁体之间的吸引力的变化量和第三和第四永磁体之间的吸引力变化量基本相等。 因此，叶轮的悬浮位置总能保持在壳体的大致中心位置。

公开(公告)号：US08043074B2

公开(公告)日：2011-10-25

申请号：US11812727

申请日：2007-06-21

Applicant: Saho Tada

Inventor： Saho Tada

IPC: F04B35/04

CPC classification number: F04D29/048 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/1086 ,  A61M1/122 ,  F04D13/0666

Abstract: A blood pump device comprises a housing having a blood inflow port and a blood outflow port, an impeller having a magnetic body or bodies and rotated in a non-contact state in relation to the inside surface of the housing to feed blood, an impeller rotating torque generating section for attracting the impeller from the outside of the housing and rotating the impeller, and a non-contact type bearing mechanism enabling the rotation in the non-contact state of the impeller inside the housing. An impeller fixing member is detachably mounted to the housing and prevents the impeller from moving inside the housing, whereby the impeller can be prevented from moving inside the housing before use, and damage to the impeller or the housing inside surface can be avoided.

Abstract translation: 一种血泵装置，具有：具有血液流入口和血液流出口的壳体;具有磁性体的叶轮，相对于所述壳体的内表面以非接触状态旋转以供给血液，叶轮旋转 扭矩产生部分，用于从壳体的外部吸引叶轮并使叶轮旋转;以及非接触式轴承机构，其能够在壳体内的叶轮的非接触状态下旋转。 叶轮固定构件可拆卸地安装在壳体上并防止叶轮在壳体内移动，从而可以防止叶轮在使用之前在壳体内移动，并且可以避免叶轮或壳体内表面的损坏。

公开(公告)号：US20100280305A1

公开(公告)日：2010-11-04

申请号：US12810083

申请日：2009-01-22

Applicant: Tatsuya Hidaka ,  Takeshi Okubo ,  Yasuharu Yamamoto ,  Toshiyuki Osada ,  Masashi Tagawa

Inventor： Tatsuya Hidaka ,  Takeshi Okubo ,  Yasuharu Yamamoto ,  Toshiyuki Osada ,  Masashi Tagawa

IPC: A61M1/10

CPC classification number: F04D29/047 ,  A61M1/10 ,  A61M1/101 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1036 ,  F04D13/026 ,  F04D29/048

Abstract: Provided are a magnetic coupling as an axial bearing including a driven magnet (11B3) that is a permanent magnet provided to a rotating body (11) inside a casing (12) and a drive magnet (23A) that is a permanent magnet placed face to face with the driven magnet in a radial direction of the rotating body outside the casing to be magnetically coupled with the driven magnet, a driving motor (22) that rotatably drives the drive magnet about an axis (P) of the rotating body, a radial bearing that is a dynamic bearing having annular bearing surfaces (12B1, 11B1) centering on the axis on an inner wall of the casing and the rotating body, each of the annular bearing surfaces being arranged with a gap between the drive magnet and the driven magnet in the radial direction of the rotating body, and a closed impeller (11A) including a front shroud (11A1) arranged on a front side in the axis direction in the rotating body, a rear shroud (11A2) arranged on a rear side in the axis direction of the front shroud, and a vane (11A3) arranged between the front shroud and the rear shroud.

Abstract translation: 提供一种作为轴向轴承的磁性联轴器，其包括作为设置在壳体（12）内部的旋转体（11）的永磁体的驱动磁体（11B3）和作为永久磁铁的驱动磁体（23A） 驱动电动机（22），其围绕旋转体的轴线（P）可旋转地驱动驱动磁体，径向 所述轴承是具有以所述壳体的内壁和所述旋转体为中心的轴线的环状支承面（12B1,11B1）的动态轴承，所述各环状支承面在所述驱动磁体和所述从动磁体之间配置有间隙 在旋转体的径向方向上形成有在前述旋转体的轴线方向配置的前罩（11A1）的封闭式叶轮（11A），在后侧设置有后罩（11A2） 轴的方向 以及布置在前护罩和后护罩之间的叶片（11A3）。

公开(公告)号：US07748964B2

公开(公告)日：2010-07-06

申请号：US11087851

申请日：2005-03-24

Applicant: Mitsutoshi Yaegashi ,  Takehiko Asada ,  Takehisa Mori ,  Takayoshi Ozaki ,  Kenichi Suzuki

Inventor： Mitsutoshi Yaegashi ,  Takehiko Asada ,  Takehisa Mori ,  Takayoshi Ozaki ,  Kenichi Suzuki

IPC: F04B17/03 ,  F16C32/06

CPC classification number: F04D29/047 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1013 ,  A61M1/1015 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/122 ,  F04D13/027 ,  F04D13/0666 ,  F04D15/0088

Abstract: A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.

Abstract translation: 一种血泵装置，包括壳体，包括叶轮的离心泵部分，并且在所述壳体内旋转以通过离心力供给流体;叶轮旋转扭矩产生部，用于吸引所述叶轮并旋转所述叶轮; 以及多个用于流体动力轴承的槽，设置在所述壳体的位于所述叶轮旋转转矩产生部分侧的内表面上，每个用于流体动力轴承的槽具有第一侧和第二侧，两个槽从所述部分的周边延伸 其中用于流体动力轴承的槽形成为朝向其中心侧并且彼此相对的第三侧，第三侧将所述第一侧的一端和所述第二侧的一端彼此连接，第四侧将所述第二侧的另一端 所述第一侧和所述第二侧的另一端彼此相对; 所述第一侧和所述第二侧分别形成为圆弧，使得所述圆弧的中心彼此不同。

公开(公告)号：US20100150749A1

公开(公告)日：2010-06-17

申请号：US12336283

申请日：2008-12-16

Applicant: David Horvath

Inventor： David Horvath

IPC: F04B35/04

CPC classification number: F04D29/428 ,  A61M1/101 ,  A61M1/1012 ,  A61M1/1017 ,  A61M1/1031 ,  A61M1/1036 ,  A61M1/122 ,  A61M1/127 ,  F04D13/0673 ,  F04D29/0473 ,  F04D29/441

Abstract: A pump includes: (a) an elongated pump housing having first and second ends; (b) a primary impeller mounted in the housing for rotation about an axis, the impeller comprising a plurality of vanes whose outer tips define an impeller plane; (c) an inlet disposed in fluid communication with the primary impeller; and (d) an annular volute housing communicating with the primary impeller and with an outlet, where the volute housing is axially offset from the impeller plane.

Abstract translation: 泵包括：（a）具有第一和第二端的细长泵壳体; （b）安装在所述壳体中以绕轴线旋转的主叶轮，所述叶轮包括多个叶片，其外部尖端限定叶轮平面; （c）设置成与所述主叶轮流体连通的入口; 和（d）与主叶轮连通并具有出口的环形蜗壳壳体，其中蜗壳壳体与叶轮平面轴向偏移。

公开(公告)号：US20090326649A1

公开(公告)日：2009-12-31

申请号：US12524939

申请日：2008-01-24

Applicant: Masayoshi Omori

Inventor： Masayoshi Omori

IPC: A61M1/10 ,  F04D13/02

CPC classification number: F04D13/025 ,  A61M1/101 ,  A61M1/1013 ,  A61M1/1031 ,  A61M1/1036 ,  F04D13/026 ,  F04D13/027 ,  F04D29/046 ,  F04D29/0467

Abstract: An impeller 22 includes a rotating shaft 7 supported rotatably by an upper bearing 9 and a lower bearing 20 at upper and lower ends, a plurality of vanes 6, an arm 18 coupling an inner circumferential side of the vanes to the rotating shaft, an annular coupling portion 8 coupled to an outer circumferential side of each vane, and a driven magnet portion 12 placed in a lower portion of the annular coupling portion. A drive magnet portion 16 provided at a rotor 13 and a driven magnet portion 12 are opposed to each other with a bottom wall of the housing interposed therebetween, and rotation of the rotor is transmitted to the impeller through magnetic coupling. A blockade member 23 is placed below the vanes and blocks a space in a region spreading between the rotating shaft and the annular coupling portion while leaving an opening 14 at least around the rotating shaft. In a configuration in which the rotating shaft of the impeller is supported by the upper and lower bearings and a lower portion of each outer circumferential edge of the vanes is coupled to the annular coupling portion, the formation of a blood dot in the vicinity of the lower bearing can be suppressed.

Abstract translation: 叶轮22包括由上轴承9和下轴承20可旋转地支撑在上端和下端的旋转轴7，多个叶片6，将叶片的内周侧与旋转轴连接的臂18， 联接部分8联接到每个叶片的外周侧，以及被驱动磁体部分12，其被布置在环形联接部分的下部。 设置在转子13和从动磁体部分12上的驱动磁体部分16彼此相对，壳体的底壁插入其间，转子的旋转通过磁耦合传递到叶轮。 阻挡构件23被放置在叶片的下方并且在至少围绕旋转轴留下开口14的同时在扩展在旋转轴和环形联接部之间的区域中阻挡空间。 在叶轮的旋转轴被上轴承和下轴承支撑并且叶片的每个外周边缘的下部联接到环形联接部分的结构中，在所述叶片附近形成血点 可以抑制下轴承。