Nimbus, Incorporated

Pieter W C J Le Blanc

Timothy R Maher

Kenneth C Butler

Tracy Vaughn Petersen

A motor rotor assembly for use in a blood pump can include a motor rotor disposed within a blood flow conduit, an inflow bearing having an inflow ball-and-cup bearing interface disposed within the blood flow conduit proximal to an inflow port of the blood flow conduit, and an outflow bearing having an outflow ball-and-cup bearing interface disposed within the blood flow conduit proximal to an outflow port of the blood flow conduit. The motor can be rotatably mounted between the inflow bearing and the outflow bearing and an outer diameter of the outflow ball-and-cup bearing interface can be larger than an outer diameter of the inflow ball-and-cup bearing interface. A motor rotor assembly for use in a blood pump incorporating aspects of the invention may improve performance, reliability and longevity of the pump. A blood pump incorporating a motor rotor can further include a motor stator. These rotors and pumps can be used in both implantable and extracorporeal blood pumps.

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Citrus Heights, CA, United States of America

Pieter W C J Le Blanc