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Patent Searching and Data


Title:
CENTRIFUGAL PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/108681
Kind Code:
A1
Abstract:
This centrifugal blood pump device comprises an impeller (10) which is provided within a blood chamber (7), a permanent magnet (15) which is provided to one surface of the impeller (10), a permanent magnet (16) which is provided to the inner wall of the blood chamber (7), permanent magnets (17) which are provided to the other surface of the impeller (10), and multiple sets of magnetic bodies (18) and coils (20), which are disposed within a motor chamber (8) and which rotationally drive the impeller (10) with a partition wall (6) located between the impeller (10) and the sets of magnetic bodies (18) and coils (20). The magnetic bodies (18) are formed in a solid cylindrical shape. The configuration enables the impeller (10) to be smoothly activated for rotation by controlling a coil current.

Inventors:
YAMADA HIROYUKI (JP)
SUGIURA KEN (JP)
Application Number:
PCT/JP2013/050187
Publication Date:
July 25, 2013
Filing Date:
January 09, 2013
Export Citation:
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Assignee:
TERUMO CORP (JP)
YAMADA HIROYUKI (JP)
SUGIURA KEN (JP)
International Classes:
F04D29/046; F04D13/06; F04D29/048
Domestic Patent References:
WO2011013483A12011-02-03
Foreign References:
JP2001329988A2001-11-30
JP2007089972A2007-04-12
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
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Claims: