Title:
セラミック部材を有する回転血液ポンプ
Document Type and Number:
Japanese Patent JP4298926
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 a motor including a plurality of permanent magnets carried by the impeller and motor stators on opposite sides of the impeller. Structural members are provided between the impeller and stators to provide structural support and hermetical sealing. The structural members comprise biocompatible, corrosion resistant, electrically non-conducting ceramic material, which alleviate eddy current losses.
Inventors:
Khao, Heng Chu
Ransis, David M
Ransis, David M
Application Number:
JP2000590707A
Publication Date:
July 22, 2009
Filing Date:
November 10, 1999
Export Citation:
Assignee:
Heartware Incorporated
International Classes:
A61M60/178; A61M60/221; A61M60/226; A61M60/232; A61M60/422; A61M60/818; A61M60/82; F04D29/02
Domestic Patent References:
| JP7111752A | ||||
| JP6026493A | ||||
| JP10122179A | ||||
| JP6312457A |
Foreign References:
| US5332374 | ||||
| WO1998011650A1 | ||||
| US5840070 | ||||
| EP0291780A1 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida