Title:
PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/044738
Kind Code:
A1
Abstract:
This pump device (10) comprises: a housing (30) including a blood inflow port (38) through which blood flows in, and having a fixed-side repulsive magnet (44) arranged in an annular manner; and an impeller (14) rotatably housed inside the housing (30), and having a movable-side repulsive magnet (56) arranged in an annular manner. The fixed-side repulsive magnet (44) is arranged in a position offset toward the blood inflow port (38) side relative to the movable-side repulsive magnet (56). In the fixed-side repulsive magnet (44) and the movable-side repulsive magnet (56), a fixed-side repulsive surface (44a) and a movable-side repulsive surface (56a) adjacent to one another have the same polarity.
Inventors:
MORI TAKEHISA (JP)
Application Number:
PCT/JP2018/031492
Publication Date:
March 07, 2019
Filing Date:
August 27, 2018
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
F04D13/02; A61M1/10; F04D29/048; F16C32/04
Foreign References:
| JP2013213413A | 2013-10-17 | |||
| JPS55152916A | 1980-11-28 | |||
| JP2009197736A | 2009-09-03 | |||
| JPS60136616A | 1985-07-20 | |||
| JP2000509311A | 2000-07-25 |
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
Download PDF: