CPC A61M 25/0074 (2013.01) [A61M 60/13 (2021.01); A61M 60/253 (2021.01); A61M 60/422 (2021.01); A61M 25/0068 (2013.01); A61M 25/0069 (2013.01); A61M 25/0082 (2013.01); A61M 60/148 (2021.01); A61M 60/414 (2021.01); F04D 3/005 (2013.01); F04D 3/02 (2013.01); F04D 29/181 (2013.01); F04D 29/242 (2013.01); F04D 29/247 (2013.01); F04D 29/42 (2013.01); Y10S 415/90 (2013.01)] | 6 Claims |
1. An intravascular blood pump device comprising:
an impeller comprising proximal and distal bearings and one or more rotor blades disposed therebetween, and configured to pump blood through a subject's body;
a frame configured to be disposed around the impeller the frame comprising a proximal bushing and a distal bushing disposed on a distal side of the impeller; and
an axial shaft configured to pass through the proximal and distal bushings of the frame and the proximal and distal bearings of the impeller, the axial shaft:
being coupled to at least one of the proximal and distal bearings of the impeller, such that the at least one bearing is held in an axially-fixed position with respect to the axial shaft, and is not held in an axially-fixed position with respect to the proximal and distal bushings.
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