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Title:
SEPARATION MEMBRANE FOR USE IN TREATMENT OF BLOOD, AND BLOOD TREATMENT DEVICE HAVING SAID MEMBRANE INTEGRATED THEREIN
Document Type and Number:
WIPO Patent Application WO/2013/065819
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a separation membrane for use in the treatment of blood, which has high compatibility with blood and storage stability and does not undergo the deterioration in membrane performance even when subjected to radiation sterilization; and a blood treatment apparatus having the membrane integrated therein. The present invention also addresses the problem of providing: a separation membrane for use in the treatment of blood, which exhibits good air-escaping performance during a priming processing of a blood treatment membrane; and a blood treatment apparatus having the membrane integrated therein. The present invention provides: a separation membrane for use in the treatment of blood, which comprises a polysulfone-type high-molecular-weight compound, a hydrophilic high-molecular-weight compound and a polymer having a solubility of 0.5 g or less in 100 g of water at 20˚C and having a hydroxy group in a side chain thereof, wherein the content of the polymer falls within a specified range; and a blood treatment apparatus having the membrane integrated therein.

Inventors:
ICHI TAKAHIRO (JP)
KOIZUMI TOSHINORI (JP)
Application Number:
PCT/JP2012/078461
Publication Date:
May 10, 2013
Filing Date:
November 02, 2012
Export Citation:
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Assignee:
ASAHI KASEI MEDICAL CO LTD (JP)
ICHI TAKAHIRO (JP)
KOIZUMI TOSHINORI (JP)
International Classes:
A61M1/16; A61M1/18; B01D71/44; B01D71/68
Foreign References:
JP2008290009A2008-12-04
JP2011092928A2011-05-12
JP2011078974A2011-04-21
JP2009202134A2009-09-10
JP2009262147A2009-11-12
JP2010104984A2010-05-13
JP2011072987A2011-04-14
JP2011078974A2011-04-21
JP2005066389A2005-03-17
Other References:
See also references of EP 2774635A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Yoshiyuki Inaba (JP)
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Claims: