A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/10 (2006.01)
Patent
CA 2738638
A magnetically-levitated blood pump with an optimization method that enables miniaturization and supercritical operation. The blood pump includes an optimized annular blood gap that increases blood flow and also provides a reduction in bearing stiffness among the permanent magnet bearings. Sensors are configured and placed optimally to provide space savings for the motor and magnet sections of the blood pump. Rotor mass is increased by providing permanent magnet placement deep within the rotor enabled by a draw rod config-uration.
Pompe sanguine à lévitation magnétique et procédé doptimisation permettant la miniaturisation et un fonctionnement supercritique. La pompe sanguine comprend un intervalle annulaire optimisé pour le sang, augmentant le débit de sang et amenant également une réduction de la rigidité des paliers parmi les paliers à aimants permanents. Des capteurs sont configurés et placés de manière optimale pour engendrer un gain despace sur les sections de moteur et daimants de la pompe sanguine. La masse du rotor est accrue en définissant lemplacement des aimants permanents profondément enfoncé dans le rotor, ce qui est rendu possible par une configuration à tige de traction.
Antaki James F.
Paden Bradley E.
Paden David B.
Ricci Michael R.
Snyder Shaun T.
Borden Ladner Gervais Llp
Carnegie Mellon University
Worldheart Inc.
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