Title:
Hollow fiber type purification-of-the-blood device
Document Type and Number:
Japanese Patent JP6196686
Kind Code:
B2
Abstract:
An object of the present invention is to provide a hollow-fiber membrane blood purification device having an improved antioxidant performance, good water permeation performance and blood compatibility performance, and economic rationality. The present invention provides a hollow-fiber membrane blood purification device including hollow-fiber membranes filled in a vessel, in which the hollow-fiber membranes contain a hydrophobic polymer, a hydrophilic polymer and a fat-soluble vitamin, when a hollow-fiber membrane bundle is divided into five sections in a lengthwise direction and divided sections positioned in endmost portions are defined as body end portions, an amount of the fat-soluble vitamin present in at least one of the body end portions is the largest among amounts of the fat-soluble vitamin present respectively in all the divided sections, and an amount of the fat-soluble vitamin per m 2 of a hollow-fiber membrane inner surface of the at least one body end portion is 20 mg/m 2 or more and 300 mg/m 2 or less.
Inventors:
Ryoko Hori
Yousuke Hata
Junya Kawakami
Yousuke Hata
Junya Kawakami
Application Number:
JP2015553560A
Publication Date:
September 13, 2017
Filing Date:
December 16, 2014
Export Citation:
Assignee:
Asahi Kasei Medical Co., Ltd.
International Classes:
A61M1/18; A61K31/355; A61K35/14; A61L31/14; A61P7/08
Domestic Patent References:
| JP5351394B2 | ||||
| JP11347117A | ||||
| JP11178919A |
Foreign References:
| US20090139925 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito