BLOOD PUMP HOUSING COMPONENT

摘要

Blood pump assemblies and methods of manufacturing and operating blood pump assemblies are provided. The blood pump assembly includes a pump and an impeller blade rotatably coupled to the pump. The blood pump assembly also includes a pump housing component sized for passage through a body lumen and coupled to the pump. The pump housing component includes a peripheral wall extending about a rotation axis of the impeller blade. The peripheral wall includes an inner peripheral wall surface and an outer peripheral wall surface. The peripheral wall also includes one or more blood exhaust apertures. Each blood exhaust aperture in the one or more blood exhaust apertures is defined by an inner aperture edge and an outer aperture edge. Each inner aperture edge is chamfered between the inner peripheral wall surface and the outer peripheral wall surface.

主权项

1. A blood pump assembly comprising:
a pump; an impeller blade rotatably coupled to the pump; and a pump housing component sized for passage through a body lumen and coupled to the pump, the pump housing component including a peripheral wall extending about a rotation axis of the impeller blade, the peripheral wall having:
an inner surface,an outer surface, andone or more blood exhaust apertures, each blood exhaust aperture being defined by an inner edge and an outer edge; wherein each inner edge is chamfered between the inner surface and the outer surface.