Impeller

Details Impeller Impeller

A - Human Necessities

61

M

A61M 1/10 (2006.01) A61M 1/12 (2006.01)

Patent

CA 2541979

An axial flow rotary blood pump including an impeller (5) adapted to be magnetically rotated within a housing by the interaction of magnets disposed on or in the impeller and stators disposed on or in the housing. The impeller includes at least one support ring (2) supporting a plurality of blades (4), and a hydrodynamic bearing (3) that operates at least axially and radially in respect of an axis of rotation of the impeller (5).

La présente invention concerne une pompe à sang rotative à flux axial comprenant une turbine (5) apte à tourner par magnétisme à l'intérieur d'un logement sous l'effet de l'interaction entre des aimants disposés sur ou dans le rotor et de stators disposés sur ou dans le logement. La turbine précitée comprend au moins une bague d'appui (2) soutenant une pluralité d'aubes (4), et un roulement hydrodynamique (3) qui fonctionne au moins axialement et radialement par rapport à un axe de rotation de la turbine (5).

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