The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2012
Filed:
Apr. 21, 2008
Applicants:
Yuta Kawakatsu, Ohtsu, JP;
Hidenori Tanaka, Ohtsu, JP;
Susumu Kashiwabara, Ohtsu, JP;
Inventors:
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/18 (2006.01); A61M 31/00 (2006.01); C08F 118/02 (2006.01); C08F 220/18 (2006.01); B01D 33/21 (2006.01); B01D 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an oxygenator of a hollow fiber membrane type where a plurality of hollow fiber membranes are received in a housing, wherein at least a part of the regions of the hollow fiber membranes to contact blood during use is coated with a water-insoluble (meth)acrylate copolymer in which a hydrophobic (meth)acrylate is copolymerized with a hydrophilic (meth)acrylate at a molar ratio of (50 to 90):(50 to 10).