Title:
SEPARATION MEMBRANE FOR BLOOD TREATMENT AND BLOOD TREATMENT DEVICE HAVING SAME MEMBRANE INCORPORATED THEREIN
Document Type and Number:
WIPO Patent Application WO/2013/187396
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a separation membrane for blood treatment with which, even when subjected to radioactive sterilization in a dry state, blood compatibility is excellent and elution of nitric acid ions from the inside surface is reduced, and a blood treatment device in which the same membrane is incorporated. The present invention is a separation membrane for a blood treatment device formed from at least a polysulfone-based resin and polyvinyl pyrrolidone, wherein intermediate water accounts for at least 40% of the water that is present at the separating surface when the separation membrane in a dry state is hydrated to the water content saturation point; the water content of the separation membrane for blood treatment is 10% or less; and the separation membrane has been subjected to radioactive sterilization.
Inventors:
ICHI TAKAHIRO (JP)
KOIZUMI TOSHINORI (JP)
HATTORI MAKIKO (JP)
SAKABE TERUMI (JP)
KOIZUMI TOSHINORI (JP)
HATTORI MAKIKO (JP)
SAKABE TERUMI (JP)
Application Number:
PCT/JP2013/066053
Publication Date:
December 19, 2013
Filing Date:
June 11, 2013
Export Citation:
Assignee:
ASAHI KASEI MEDICAL CO LTD (JP)
International Classes:
A61M1/18; B01D69/02; B01D69/08; B01D69/12; B01D71/08; B01D71/38; B01D71/44; B01D71/68; D01D5/24; A61K35/14; A61P7/08
Domestic Patent References:
| WO2006104117A1 | 2006-10-05 | |||
| WO2002009857A1 | 2002-02-07 | |||
| WO2013015046A1 | 2013-01-31 | |||
| WO2013065819A1 | 2013-05-10 |
Foreign References:
| JP2005087945A | 2005-04-07 | |||
| JP2010233980A | 2010-10-21 | |||
| JP2006288942A | 2006-10-26 | |||
| JP2000254222A | 2000-09-19 | |||
| JPH0966225A | 1997-03-11 | |||
| JPH11332980A | 1999-12-07 | |||
| JP3551971B1 | 2004-08-11 | |||
| JP2002212333A | 2002-07-31 | |||
| JPH06296686A | 1994-10-25 | |||
| JPH04338223A | 1992-11-25 | |||
| JPH07194949A | 1995-08-01 | |||
| JP2006016575A | 2006-01-19 |
Other References:
KEN TANAKA: "The Roles of organized water molecules in the biointerface", SAKIGAKE LIVE 2004, 2005, pages 24 - 33, Retrieved from the Internet
FOOD SAFETY COMMISSION, CHEMICAL SUBSTANCE/CONTAMINANT SPECIALIST RESEARCH MEETING, May 2012 (2012-05-01), Retrieved from the Internet
See also references of EP 2859904A4
FOOD SAFETY COMMISSION, CHEMICAL SUBSTANCE/CONTAMINANT SPECIALIST RESEARCH MEETING, May 2012 (2012-05-01), Retrieved from the Internet
See also references of EP 2859904A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Yoshiyuki Inaba (JP)
Yoshiyuki Inaba (JP)
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