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US 10,330,101 B2Granted
Compressible and expandable blade for a fluid pump
AssigneeEcp Entwicklungsgesellschaft Mbh
InventorThomas Toellner
Life of this patent
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Abstract
The invention relates to a compressible and expandable blade (2) for the rotor of a fluid pump (30) having at least two lamellae (3, 4, 5) which are disposed adjacently, are pivo table respectively relative to an axis of rotation (Ia) of the rotor and moveable relative to each other, and abut against each other in the expanded state of the blade such that they form together a continuous blade surface.
Claims10
A pump assembly, comprising:
- a catheter;
- a rotor shaft disposed at a distal end portion of the catheter;
- a compressible and expandable continuous helical blade mounted to the rotor shaft, the continuous helical blade having a pitch, wherein the continuous helical blade is configured to convey a fluid in a conveying direction upon rotation;
- and
- a compressible and expandable pump housing surrounding the rotor shaft and continuous helical blade, the housing including a frame and a membrane configured to be deployed by the frame;
- wherein the pitch of the continuous helical blade continuously increases along the continuous helical blade in the conveying direction.
3 more elements
Dependencies are inferred from the claim text.