Title:
血液ポンプ用能動磁気軸受
Document Type and Number:
Japanese Patent JP4146092
Kind Code:
B2
Abstract:
An implantable rotary blood pump including a rotor mounted for rotation within a pump housing. The rotor has a shaft portion and an impeller carried by the shaft portion. A rotor motor is provided, with the motor including a plurality of permanent magnets carried by the impeller and motor stators on opposite sides of the impeller. The motor is operable to transmit torque and also to provide an axial magnetic force that acts as an axial bearing.
Inventors:
One Puller, Richard Kay
Ransis, David M
Ransis, David M
Application Number:
JP2000584946A
Publication Date:
September 03, 2008
Filing Date:
November 10, 1999
Export Citation:
Assignee:
Heartware Incorporated
International Classes:
A61M60/178; A61M60/232; A61M60/422; A61M60/822; F04D29/04; F04D29/048; F16C39/06; H02K7/09
Foreign References:
| US5840070 | ||||
| WO1988007842A1 | ||||
| WO1998011650A1 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Sakuma
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Sakuma