Patent ID: 9629947
Date: 2017-04-25
CPC Classifications: A61M,F04D

Claim:
1. An extracorporeal axial-flow blood pump, comprising: a first casing having a cylindrical form which permits blood flow therein; a second casing, joining the first casing, the second casing having blood flow guide vanes installed at an inner peripheral surface thereof; an axial-flow impeller disposed to be freely rotatable on the inside of the first casing in a blood flow; a detachable stator fixed detachably to an outer peripheral surface of the first casing in a position for adding rotational power to said impeller without the stator contacting the blood flow, the stator comprising a one-piece cylindrical ring which detachably surrounds a circumference of the first casing; and wherein the first casing, second casing, and impeller are disposable and the detachable stator is reusable.