Title:
BLOOD PUMP AND VENTRICULAR ASSIST SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/097916
Kind Code:
A1
Abstract:
A blood pump according to the present invention and equipped with a fixed-side sliding member having a ring-shaped first sliding surface, a rotating-side sliding member having a ring-shaped second sliding surface, a blood-pump chamber positioned on the outer-circumferential side of the fixed-side sliding member and the rotating-side sliding member, and a liquid-passage chamber positioned on the inner-circumferential side of the fixed-side sliding member and the rotating-side sliding member, the blood pump being used while causing a prescribed liquid to pass into the liquid passage chamber while the first and second sliding surfaces contact one another, and being characterized by being further equipped with an adhered-substance removal member (60) having: projections (62, 63) which approach the first sliding surface and/or the second sliding surface from the inner-circumferential side thereof; and a support base (64) for supporting the projections (62, 63). This blood pump makes it possible to minimize the sudden obstruction of the flow of a prescribed liquid.
Inventors:
MIYAKOSHI TAKAYUKI (JP)
SUZUKI RYUTA (JP)
SUZUKI RYUTA (JP)
Application Number:
PCT/JP2013/085279
Publication Date:
July 02, 2015
Filing Date:
December 27, 2013
Export Citation:
Assignee:
SUN MEDICAL TECHNOLOGY RES CORP (JP)
International Classes:
A61M60/178; A61M60/232; A61M60/237; A61M60/416; A61M60/829; A61M60/857
Foreign References:
| JP2013085913A | 2013-05-13 | |||
| JP2005348996A | 2005-12-22 | |||
| JP2010528797A | 2010-08-26 | |||
| JP2003052809A | 2003-02-25 | |||
| JP2004245303A | 2004-09-02 | |||
| JP2010207346A | 2010-09-24 | |||
| JP2013212218A | 2013-10-17 | |||
| US5947892A | 1999-09-07 |
Attorney, Agent or Firm:
MATSUO, NOBUTAKA (JP)
Masatake Matsuo (JP)
Masatake Matsuo (JP)
Download PDF: