Chamber for transplantation and device for transplantation

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United States of America Patent

PATENT NO 11771806
APP PUB NO 20200128814A1
SERIAL NO

16727817

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • FUJIFILM CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Kazuhiro Ashigarakami-gun, JP 138 1699
Kaminaga, Kuniyuki Ashigarakami-gun, JP 24 37
Mochizuki, Yusuke Ashigarakami-gun, JP 34 134
Takegami, Ryuta Ashigarakami-gun, JP 41 107

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