Magnetic suspension blood pump

A - Human Necessities – 61 – M

Patent

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Details

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

Patent

CA 2374656

This invention is a non-contact axial flow turbo blood pump for propelling blood, which is composed of a pump housing (24) that defines a pump axis, with inlet, outlet openings at opposite axial ends of the pump housing, a rotor unit (17) that defines a rotor axis, and opposing rotor axial ends. The pump magnetically suspends the rotor within the pump housing at the rotor axial ends so as to avoid causing physical contact between the housing to define fluid gaps between the rotor axial ends, and the magnetic suspension elements (13)(13').

Cette invention concerne une turbo-pompe axiale de type sans contact servant à propulser les sang. La pompe à sang est composée d'un corps de pompe (24) qui délimite un axe de la pompe et présente un orifice d'admission et un orifice de sortie à des extrémités axiales opposées du corps de pompe, d'une unité rotor (17) qui délimite un axe rotor et des extrémités axiales opposées du rotor. La pompe suspend magnétiquement le rotor à l'intérieur du corps de pompe, aux extrémités axiales du rotor, de manière à éviter un contact physique dans le corps de pompe et à délimiter des espaces fluidiques entre les extrémités axiales du rotor et les éléments de suspension magnétique (13)(13').

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