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:
Jun. 29, 2021
Filed:
May. 10, 2019
Fujifilm Corporation, Tokyo, JP;
Yusuke Mochizuki, Ashigarakami-gun, JP;
Kentaro Nakamura, Ashigarakami-gun, JP;
Shigeaki Ohtani, Ashigarakami-gun, JP;
Naohiro Matsunaga, Ashigarakami-gun, JP;
Ryuta Takegami, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
According to the present invention, there is provided a membrane for immunoisolation, including a porous membrane that contains a polymer, in which Formulas (I) and (II) are satisfied for at least one surface of the porous membrane, B/A≤0.7 (I) and A≥0.015 (II) (in the formula, A represents a ratio of an N element to a C element on a surface of the membrane, and B represents a ratio of the N element to the C element at a depth of 30 nm from the surface of the membrane); a chamber for transplantation for enclosing a biological constituent therein, including the above-described membrane for immunoisolation on at least a part of a surface forming an inside and an outside of the chamber for transplantation; and a device for transplantation includes the above-described chamber for transplantation enclosing the above-described biological constituent therein. The membrane for immunoisolation of the present invention has a high bioaffinity.