Patent ID: 9364592
Filing Date: 2016-06-14
CPC Classification: A61M,B33Y,F04D,F05B

Claim Text:
1. A method of manipulating an impeller of a pump, the pump comprising a cannula disposed about an impeller, the cannula comprising a mesh having a first plurality of circumferential rings and an enclosure disposed about the mesh, each circumferential ring of the first plurality of circumferential rings comprising a plurality of distal crests, a plurality of proximal troughs, and a plurality of side segments extending between respective crests and troughs, wherein a first connector connects a first side segment of a first circumferential ring to a second circumferential ring, wherein each circumferential ring of the first plurality of circumferential rings is connected to an adjacent circumferential ring of the first plurality of circumferential rings by at least one connector, the cannula having an inlet and an outlet spaced from the inlet along an axial direction of the pump, the enclosure defining a space for the flow of blood in the axial direction, the method comprising: compressing the impeller to a compressed configuration, said compressing storing potential energy in the impeller; and retaining the impeller in the compressed configuration within a portion of the cannula.