Axial flow rotor with downstream bearing wash flow

    公开(公告)号:US10080826B2

    公开(公告)日:2018-09-25

    申请号:US15639131

    申请日:2017-06-30

    Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

    Axial flow rotor with downstream bearing wash flow

    公开(公告)号:US10765788B2

    公开(公告)日:2020-09-08

    申请号:US16124277

    申请日:2018-09-07

    Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

    Axial flow rotor with downstream bearing wash flow

    公开(公告)号:US09717832B2

    公开(公告)日:2017-08-01

    申请号:US14590485

    申请日:2015-01-06

    Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

    AXIAL FLOW ROTOR WITH DOWNSTREAM BEARING WASH FLOW
    5.
    发明申请
    AXIAL FLOW ROTOR WITH DOWNSTREAM BEARING WASH FLOW 有权
    轴流式旋转轴承,带有下摆式滚筒

    公开(公告)号:US20160193396A1

    公开(公告)日:2016-07-07

    申请号:US14590485

    申请日:2015-01-06

    Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

    Abstract translation: 可植入血液泵包括可围绕旋转轴线旋转的叶轮,其具有在下游端处具有底表面的主体和围绕轴线居中的中心开口,所述中心开口至少部分地从底表面延伸通过本体。 突出元件,例如轴,从底表面的下方延伸到或穿过开口以支撑叶轮。 身体可以被配置成沿着身体的外部驱动主要的下游血流超过底表面的周边边缘,并且提供通过开口并且沿着底表面超过周边边缘的次级下游血流, 二次流改善轴承表面的洗涤。

Patent Agency Ranking