VENTRICULAR ASSIST DEVICE
    12.
    发明申请

    公开(公告)号:US20220134083A1

    公开(公告)日:2022-05-05

    申请号:US17574701

    申请日:2022-01-13

    Abstract: Apparatus and methods are described including a tube configured to traverse an aortic valve of a subject. A frame is disposed within at least a portion of the tube. An impeller rotates such as to pump blood from the subject's left ventricle to the subject's aorta. The impeller is disposed inside the tube such that, when the impeller and the tube are deployed inside the subject, and prior to rotation of the impeller, a gap between an outer edge of the impeller and an inner surface of the tube is less than 1 mm. A rigid stabilizing element stabilizes the impeller with respect to the tube, such that during rotation of the impeller, a gap between the outer edge of the impeller and the inner surface of the tube is maintained. Other applications are also described.

    VENTRICULAR ASSIST DEVICE
    14.
    发明申请

    公开(公告)号:US20190175802A1

    公开(公告)日:2019-06-13

    申请号:US16275559

    申请日:2019-02-14

    Abstract: Apparatus and methods are described including a tube configured to traverse a subject's aortic valve. A frame is disposed within a portion of the tube, and a plurality of winged projections are coupled to the frame. An impeller is disposed inside the tube, the impeller including proximal and distal bushings, a helical elongate element, and a spring disposed inside of the helical elongate element, the spring defining a lumen therethrough. A film of material is supported between the helical elongate element and the spring. A rigid shaft extends from the proximal bushing to the distal bushing via the lumen defined by the spring. The impeller is rotated, such as to pump blood from the subject's left ventricle to the subject's aorta. Other applications are also described.

    Renal pump
    15.
    发明授权

    公开(公告)号:US10039874B2

    公开(公告)日:2018-08-07

    申请号:US14774081

    申请日:2014-03-13

    Abstract: Apparatus and methods are described including identifying a subject as suffering from a condition selected from the group consisting of: cardiac dysfunction, congestive heart failure, reduced renal blood flow, increased renal vascular resistance, arterial hypertension, and kidney dysfunction. In response thereto, blood pressure within a renal vein (32) of the subject is reduced, by placing a blood pump (150) inside the subject's renal vein and activating the impeller to pump blood from the renal vein into the subject's vena cava (26). Other applications are also described.

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