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US 12,569,668 B2Granted
Impeller for catheter pump
AssigneeTc1 LLC
InventorsZijing Zeng, Phyllis Yuen, Michael R. Butler
Life of this patent
Estimating the term…
Abstract
An impeller for a pump is disclosed herein. The impeller can include a hub having a fixed end and a free end. The impeller can also have a plurality of blades supported by the hub. Each blade can have a fixed end coupled to the hub and a free end. The impeller can have a stored configuration and a deployed configuration, the blades in the deployed configuration extending away from the hub, and the blades in the stored configuration being compressed against the hub.
Claims20
An impeller for a catheter pump, the impeller comprising:
- a hub;
- and
- at least one blade supported by the hub, the at least one blade having a fixed end coupled with the hub and a free end, the at least one blade being transitionable between a stored position and a deployed position, wherein a first fillet is formed at the fixed end of the at least one blade on a suction side and a second fillet is formed at the fixed end of the at least one blade on a pressure side.
A catheter pump comprising:
- a catheter;
- and
- an impeller mounted at an end of the catheter, the impeller comprising:
- a hub;
- and
- at least one blade supported by the hub, the at least one blade having a fixed end coupled with the hub and a free end, the at least one blade being transitionable between a stored position and a deployed position, wherein a first fillet is formed at the fixed end of the at least one blade on a suction side and a second fillet is formed at the fixed end of the at least one blade on a pressure side.
3 more elements
A catheter pump comprising:
- an expandable cannula;
- and
- an impeller positioned within the expandable cannula, the impeller comprising:
- a hub;
- and
- at least one blade supported by the hub, the at least one blade having a fixed end coupled with the hub and a free end, the at least one blade being transitionable between a stored position and a deployed position, wherein a first fillet is formed at the fixed end of the at least one blade on a suction side and a second fillet is formed at the fixed end of the at least one blade on a pressure side.
3 more elements
Dependencies are inferred from the claim text.