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    • 1. 发明授权
    • Artificial cardiac pump
    • 人造心脏泵
    • US07502648B2
    • 2009-03-10
    • US10552418
    • 2004-04-23
    • Takeshi OkuboToshiyuki OsadaYasuharu YamamotoTakeshi SanoYusuke MiyamotoKazuyoshi Miyagawa
    • Takeshi OkuboToshiyuki OsadaYasuharu YamamotoTakeshi SanoYusuke MiyamotoKazuyoshi Miyagawa
    • A61M1/10
    • A61M1/1031A61M1/101A61M1/1012A61M1/1015A61M1/1017A61M1/122
    • An artificial cardiac pump includes an impeller (3) rotatably supported on a fixed shaft body (2) in a housing (1) and a drive mechanism rotating the impeller, wherein blood is taken in from the front side and force-fed to the rear side by the rotation of the impeller (3). The shaft body (2) is connected between a front side fixed body (5) fixed to a straightening plate (4) joined to the housing (1) at the front of the impeller (3) and a rear side fixed body (7) fixed to a diffuser (6) joined to the housing (1) at the rear of the impeller (3). The impeller (3) further includes a sleeve (8) having an inner peripheral surface opposed to the outer peripheral surface of the shaft body (2) through a minute clearance and front and rear end faces opposed to the rear end face of the front side fixed body (5) and the front end face of the rear side fixed body (7) through minute clearances, and an impeller (9) joined to the outer peripheral surface of the sleeve (8). The drive mechanism further includes a polar anisotropical permanent magnet (10) enclosed in the sleeve (8) and a rotating field generator (11) enclosed in the housing (1).
    • 一种人造心脏泵包括可旋转地支撑在壳体(1)中的固定轴体(2)上的叶轮(3)和旋转叶轮的驱动机构,其中从前侧吸入血液并强制供给到后部 通过叶轮(3)的旋转。 轴体(2)连接在固定在与叶轮(3)前方接合的壳体(1)的矫直板(4)的前侧固定体(5)和后侧固定体(7)之间, 固定到在叶轮(3)的后部连接到壳体(1)的扩散器(6)。 叶轮(3)还包括具有通过微小间隙与轴体(2)的外周面相对的内周面的套筒(8),与前侧的后端面相对的前后端面 固定体(5)和后侧固定体(7)的前端面通过微小的间隙,以及与套筒(8)的外周面接合的叶轮(9)。 驱动机构还包括封闭在套筒(8)中的极性各向异性永久磁铁(10)和封闭在壳体(1)中的旋转磁场发生器(11)。
    • 3. 发明申请
    • Artificial cardiac pump
    • 人造心脏泵
    • US20060183962A1
    • 2006-08-17
    • US10552418
    • 2004-04-23
    • Takeshi OkuboToshiyuki OsakaYasuharu YamamotoTakeshi SanoYusuke MiyamotoKazuyoshi Miyagawa
    • Takeshi OkuboToshiyuki OsakaYasuharu YamamotoTakeshi SanoYusuke MiyamotoKazuyoshi Miyagawa
    • A61N1/362
    • A61M1/1031A61M1/101A61M1/1012A61M1/1015A61M1/1017A61M1/122
    • An artificial cardiac pump, comprising an impeller (3) rotatably supported on a fixed shaft body (2) in a housing (1) and a drive mechanism rotating the impeller, wherein blood is taken in from the front side and force-fed to the rear side by the rotation of the impeller (3). The shaft body (2) is connected between a front side fixed body (5) fixed to a straightening plate (4) joined to the housing (1) at the front of the impeller (3) and a rear side fixed body (7) fixed to a diffuser (6) joined to the housing (1) at the rear of the impeller (3). The impeller (3) further comprises a sleeve (8) having an inner peripheral surface opposed to the outer peripheral surface of the shaft body (2) through a minute clearance and front and rear end faces opposed to the rear end face of the front side fixed body (5) and the front end face of the rear side fixed body (7) through minute clearances, and an impeller (9) joined to the outer peripheral surface of the sleeve (8). The drive mechanism further comprises a polar anisotropical permanent magnet (10) enclosed in the sleeve (8) and a rotating field generator (11) enclosed in the housing (1).
    • 一种人造心脏泵,包括可旋转地支撑在壳体(1)中的固定轴体(2)上的叶轮(3)和使叶轮旋转的驱动机构,其中从前侧吸入血液并强制供给至 通过叶轮(3)的旋转而位于后侧。 轴体(2)连接在固定在与叶轮(3)前方接合的壳体(1)的矫直板(4)的前侧固定体(5)和后侧固定体(7)之间, 固定到在叶轮(3)的后部连接到壳体(1)的扩散器(6)。 叶轮(3)还包括一个套筒(8),该套筒(8)具有通过微小间隙与轴体(2)的外周表面相对的内周表面,并且与前侧的后端面相对的前后端面 固定体(5)和后侧固定体(7)的前端面通过微小的间隙,以及与套筒(8)的外周面接合的叶轮(9)。 所述驱动机构还包括封闭在所述套筒(8)中的极性各向异性永久磁铁(10)和封闭在所述壳体(1)中的旋转磁场发生器(11)。
    • 5. 发明授权
    • Blood pump and pump unit
    • 血泵和泵单元
    • US08114008B2
    • 2012-02-14
    • US12810083
    • 2009-01-22
    • Tatsuya HidakaTakeshi OkuboYasuharu YamamotoToshiyuki OsadaMasashi Tagawa
    • Tatsuya HidakaTakeshi OkuboYasuharu YamamotoToshiyuki OsadaMasashi Tagawa
    • A61M1/10
    • F04D29/047A61M1/10A61M1/101A61M1/1015A61M1/1017A61M1/1036F04D13/026F04D29/048
    • 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.
    • 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 轴承,其具有以壳体内壁和旋转体为轴心的环状支承面(12B1,11B1)的动态轴承,每个环形支承面在驱动磁体和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)。
    • 6. 发明申请
    • BLOOD PUMP AND PUMP UNIT
    • 血液泵和泵单元
    • US20100280305A1
    • 2010-11-04
    • US12810083
    • 2009-01-22
    • Tatsuya HidakaTakeshi OkuboYasuharu YamamotoToshiyuki OsadaMasashi Tagawa
    • Tatsuya HidakaTakeshi OkuboYasuharu YamamotoToshiyuki OsadaMasashi Tagawa
    • A61M1/10
    • F04D29/047A61M1/10A61M1/101A61M1/1015A61M1/1017A61M1/1036F04D13/026F04D29/048
    • 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.
    • 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)。