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US 2023/0390544 A1Published application
Intravascular blood pumps
AssigneeShifamed Holdings, LLC
InventorsDaniel HILDEBRAND, S. Mostafa GHOREYSHI, Amr SALAHIEH
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Abstract
Catheter blood pumps that include a collapsible blood conduit, a collapsible scaffold portion, and a taper formed in the collapsible scaffold. The collapsible blood conduit defines a blood lumen. The collapsible scaffold is adapted to provide radial support to the blood conduit. The blood pump also includes one or more impellers. In some embodiments, the one or more impellers can also include a taper. The taper of the blood conduit can match the taper of the one or more impellers.
Claims21
A catheter blood pump, comprising:
- a pump portion that includes:
- an impermeable blood conduit and first and second impellers at least partially disposed in the blood conduit,
- wherein the first and second impellers have first and second average diameters, respectively, that are different.
21-37. (canceled)
Dependencies are inferred from the claim text.