Artificial heart pump

Details Artificial heart pump Artificial heart pump

1997-07-23

2000-01-18

Willse, David H.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Corporeal artificial heart, heart assist , control...

417420, 415900, A61M 110

Patent

active

060154349

ABSTRACT:
An artificial heart pump includes a casing having a pump chamber inside the casing and a partition that closes, in a fluid-tight manner, the bottom portion of the pump chamber, an impeller disposed inside the pump chamber so that it is rotatable about the axis of rotation and including an impeller shaft portion having a shaft hollow part and an impeller portion having an impeller hollow part extending radially and communicating with the shaft hollow part, the shaft hollow part and the impeller hollow part constituting a blood flow channel, a magnetic supporter for rotatably supporting the impeller within the casing in a direction normal to the axis of rotation, a pivot bearing for rotatably supporting the impeller within the casing in a direction of the axis of rotation, a rotating device accommodated within the casing below the pump chamber for rotating the impeller, and a magnetic coupler for transmitting the rotating force of the rotating device to the impeller.

REFERENCES:
patent: 5195877 (1993-03-01), Kletschka
patent: 5470208 (1995-11-01), Kletschka
patent: 5575630 (1996-11-01), Nakazawa et al.

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