Title:
血液ポンプ用改良ロータ
Document Type and Number:
Japanese Patent JP3626682
Kind Code:
B2
Abstract:
A pump for transferring fragile and aggressive fluids such as human blood and comprising a chamber along with one or more fluid inlet ports (16, 17) arranged in oppositely disposed relationship on the chamber, and at least one outlet port (18) arranged transversely and medially of the inlet ports. A rotor assembly (20) is positioned within the pumping chamber having a core (21) in the form of a first surface of revolution and having a dual-conical configuration converging toward opposed polar end regions and with an axis of rotation extending between the polar regions. At least one shroud (23) is provided spaced outwardly of the surface of the core. The rotor can include a plurality of radial vanes (127) mounted on the outer surface of the dual cones forming the dual-conical configuration.
Inventors:
Isla Eleve, Valentine, M
Application Number:
JP2000501343A
Publication Date:
March 09, 2005
Filing Date:
June 25, 1998
Export Citation:
Assignee:
Advanced Bionics, Incorporated
International Classes:
A61M60/122; A61M60/242; A61M60/422; A61M60/554; F04D1/00; F04D7/04; F04D13/02; F04D29/22; (IPC1-7): A61M1/10; F04D13/02
Domestic Patent References:
| JP7504015A | ||||
| JP6510586A | ||||
| JP2534928B2 | ||||
| JP2594752B2 | ||||
| JP2000516519A |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Toru Mori
Yutaka Yoshida
Hajime Asamura
Toru Mori
Yutaka Yoshida