AXIAL FLOW BLOOD PUMP - NAT UNIV CORP UNIV KOBE

Title:

AXIAL FLOW BLOOD PUMP

Document Type and Number:

WIPO Patent Application WO/2014/106885

Kind Code:

A1

Abstract:

Provided is an axial flow pump in which a fixed element and a power supply device can be removed with ease, and in which parts excluding the fixed element and power supply device are disposable. The axial flow blood pump comprises: an impeller (2) that rotates around an axis and is provided with axial flow blades on the peripheral surface thereof, a permanent magnet inside the impeller (2), and a dynamic bearing or a pivot bearing; a first casing (5) that surrounds the peripheral surface of the impeller (2) and is provided with an intake port (11); an annular fixed element (6) that generates a rotating magnetic field in the impeller (2) and can be fitted onto the outer surface of the first casing (5); an outlet port (12); a second casing (3) that is provided with guide blades (diffusers) (31) in the inner surface thereof; and a socket member (4) that is fittably and securely mounted onto the outer peripheral surface of the second casing (3) and is provided with a joining portion that can join with the fixed element (6). The fixed element (6) and the power supply device (8, 81, 82, 83) can be removed and reused, and the parts (2, 3, 4, 5, 7) excluding the fixed element and the power supply device are disposable.

Inventors:

YAMANE TAKASHI (JP)

Application Number:

PCT/JP2013/007660

Publication Date:

July 10, 2014

Filing Date:

December 26, 2013

Export Citation:

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Assignee:

NAT UNIV CORP UNIV KOBE (JP)

International Classes:

F04D13/06; A61M1/10; F04D3/02

Foreign References:

US20080262289A1	2008-10-23
US20120245681A1	2012-09-27
JP4107886B2	2008-06-25
JPS5974390A	1984-04-26
JP2004073400A	2004-03-11
JP2003214374A	2003-07-30
JP2008194482A	2008-08-28

Other References: