CPC A61M 60/869 (2021.01) [A61M 60/13 (2021.01); A61M 60/135 (2021.01); A61M 60/205 (2021.01); A61M 60/216 (2021.01); A61M 60/414 (2021.01); A61M 60/422 (2021.01); A61M 60/808 (2021.01); A61M 60/829 (2021.01); A61M 60/50 (2021.01)] | 21 Claims |
1. A percutaneous catheter pump system comprising:
a catheter having a proximal end and a distal end;
a blood pump coupled to the distal end of the catheter; and,
an electric motor coupled to the proximal end of the catheter for operating the blood pump at the distal end, the electric motor including:
a rotor supplying an output torque to the blood pump from an input electric current to the electric motor;
a flow diverter disposed at least partially about the rotor, wherein the flow diverter is configured to receive and channel a first portion of a return flow of liquid proximally at least partially about a periphery of the rotor, the return flow of liquid received by the flow diverter from the proximal end of the catheter; and
a bypass channel configured to receive a second portion of the return flow of liquid and channel the second portion proximally away from the flow diverter.
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