Title:
BLOOD PUMP
Document Type and Number:
WIPO Patent Application WO/2013/118419
Kind Code:
A1
Abstract:
[Problem] The purpose of the present invention is to obtain a centrifugal blood pump for circulating blood wherein an impeller makes no contact at all with a housing and a rotating shaft and moves rotatingly with the impeller in a stably levitating state. The purpose of the present invention is also to obtain a blood pump in which the impeller rotates at high speed even when the blood pump is reduced in scale. [Solution] Providing a magnet of enhanced magnetic force to the inside of a housing and to an outer peripheral surface of an impeller and providing a fixed-interval spacing to the periphery of a bearing section makes it possible to ensure a state where no contact at all is made between the housing, a shaft, and the impeller; and makes it possible to cause the impeller to rotate stably over a long period of time.
More Like This:
| WO/2008/034068 | INTRAVASCULAR BLOOD PUMP AND CATHETER |
| WO/1995/013837 | PERISTALTIC PUMPING ASSEMBLY |
Inventors:
TAKATANI SETSUO (JP)
AKAO AKIHISA (JP)
SHINZI TADAHIKO (JP)
AKAO AKIHISA (JP)
SHINZI TADAHIKO (JP)
Application Number:
PCT/JP2012/083881
Publication Date:
August 15, 2013
Filing Date:
December 27, 2012
Export Citation:
Assignee:
MEDTECH HEART INC (JP)
International Classes:
A61M1/10; F04D13/02; F04D7/04; F04D29/048; F04D29/08; F16C17/02; F16D7/02; F16H49/00
Foreign References:
| JP2006218010A | 2006-08-24 | |||
| JP2007506027A | 2007-03-15 | |||
| JP2000240587A | 2000-09-05 | |||
| JPH0296497U | 1990-08-01 | |||
| JP2003516212A | 2003-05-13 | |||
| JP2005118237A | 2005-05-12 | |||
| JP2002512333A | 2002-04-23 | |||
| JP2005118237A | 2005-05-12 | |||
| JP2006226390A | 2006-08-31 | |||
| JP2006218010A | 2006-08-24 |
Other References:
See also references of EP 2813709A4
Attorney, Agent or Firm:
HIROSE TAKAYUKI (JP)
Takayuki Hirose (JP)
Takayuki Hirose (JP)
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Claims: