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US 11,441,601 B1Granted
Blood pump bearing system with optimized geometry, materials, and manufacturing method
AssigneeRBTS Inc.
InventorsVictor Obeid, Michael D. Neary, Edward Marlinski
Life of this patent
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Abstract
A rotor bearing system includes an inner bearing component and an outer bearing component. One of the bearing components includes at least three protrusions sized to form a close running proximity to the remaining component. A bearing gap between the inner bearing component and the outer bearing component is sized to exclude the entry of red blood cells between the bearing components during operation of the rotor bearing system and causing the bearing to operate in an elasto-hydrodynamic regime of mixed- or boundary-lubrication.
Claims22
A rotor bearing system comprising:
- an inner bearing component;
- and
- an outer bearing component,
- wherein one of the bearing components includes at least three protrusions sized to form a close running proximity to the remaining component, and
- wherein a bearing gap between the inner bearing component and the outer bearing component formed by the protrusions is sized to exclude the entry of red blood cells between the bearing components during operation of the rotor bearing system.
2 more elements
Dependencies are inferred from the claim text.