Active magnetic bearing system for blood pump

Details Active magnetic bearing system for blood pump Active magnetic bearing system for blood pump

A - Human Necessities

61

M

A61M 1/10 (2006.01) F04D 29/04 (2006.01) H02K 7/09 (2006.01)

Patent

CA 2352270

An implantable rotary blood pump including a rotor mounted for rotation within a pump housing. The rotor has a shaft portion and an impeller carried by the shaft portion. A rotor motor is provided, with the motor including a plurality of permanent magnets carried by the impeller and motor stators on opposite sides of the impeller. The motor is operable to transmit torque and also to provide an axial magnetic force that acts as an axial bearing.

L'invention concerne une pompe à sang rotative implantable comprenant un rotor monté rotatif dans un carter de pompe. Ce rotor comporte un arbre et une turbine portée par l'arbre. Cette pompe comporte un moteur de rotor, lequel moteur comprend une pluralité d'aimants permanents portés par la turbine et les stators de moteur sur des côtés opposés de la turbine. Le moteur sert à transmettre le couple et également à fournir une force magnétique axiale agissant comme palier axial.

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