| 摘要 |
The present invention relates to a turbo blood pump comprising a casing having an interior region, an aperture formed in an upper portion of said casing defining a blood inlet, and an aperture formed in a lower portion of said casing defining a blood outlet; an impeller rotatably mounted about a vertical axis within said interior region, said impeller including a rotary shaft and at least one vane depending therefrom, said at least one vane including a driven magnet attached thereto; a pin-point contacting or pivot bearing structure mounted in said casing and rotatably supporting the upper portion of said impeller rotary shaft; a sliding bearing structure mounted in said casing and rotatably supporting the lower portion of said impeller rotary shaft, said sliding bearing of a cylindrical face contacting type; and a driving magnet mounted radially adjacent said driven magnet and outside said casing, whereby said driven magnet is magnetically coupled with said driving magnet and rotates said impeller about said vertical axis. <IMAGE> |
