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:
Oct. 03, 2023
Filed:
Dec. 26, 2019
Fujifilm Corporation, Tokyo, JP;
Kazuhiro Hasegawa, Ashigarakami-gun, JP;
Ryuta Takegami, Ashigarakami-gun, JP;
Kuniyuki Kaminaga, Ashigarakami-gun, JP;
Yusuke Mochizuki, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
According to the present invention, there are provided a chamber for transplantation, including a membrane for immunoisolation including a porous membrane at at least part of a boundary between an inside and an outside of the chamber for transplantation, in which the porous membrane contains a polymer and has a layered compact portion where a pore diameter is the smallest within the membrane, a pore diameter continuously increases in a thickness direction from the compact portion toward both one surface A and the other surface B of the porous membrane, a porosity in a vicinity of the surface A is 65% or more, an average pore diameter of the surface A is larger than an average pore diameter of the surface B, and the surface B is disposed on the inside of the chamber for transplantation; and a device for transplantation including the chamber for transplantation enclosing a biological constituent therein. In the chamber for transplantation of the present invention, angiogenesis in a recipient is induced and a deterioration in substance permeability is unlikely to occur.