Artificial heart pump

Details Artificial heart pump Artificial heart pump

1994-02-08

1995-08-22

Willse, David H.

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

Corporeal artificial heart, heart assist , control...

417371, 600 16, A61M 112

Patent

active

054435030

ABSTRACT:
An artificial heart pump comprises a cylindrical stator provided between the inner surface of a casing and a rotor so as to establish a blood flow channel between the outer surface of the stator and the inner surface of the casing, and a rotating magnet and a stationary magnet differing in length in their N-S pole directions provided on the rotor and the stator with their N-S pole directions aligned parallel with the axis of rotation, the boundary between the N and S poles of the rotating magnet being positioned closer to a pivot than the boundary between the N and S poles of the stationary magnet.

REFERENCES:
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patent: 4763032 (1988-08-01), Bramm et al.
patent: 4779614 (1988-10-01), Moise
patent: 4944748 (1990-07-01), Bramm et al.
patent: 4984972 (1991-01-01), Clausen et al.
patent: 4994078 (1991-02-01), Jarvik
patent: 5154587 (1992-10-01), Mori et al.
patent: 5205721 (1993-04-01), Isaacson
patent: 5344443 (1994-09-01), Palma et al.
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Science, vol. 13, No. 5, 1991, pp. 2127-2128, I. Sakuma, et al., "Development of a Novel Direct Motor Driven Seal-less Centrifugal Blood Pump (Baylor Gyro Pump)".

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