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.

Date of Patent:
Sep. 02, 2025

Filed:

May. 25, 2018
Applicant:

Adeka Corporation, Tokyo, JP;

Inventors:

Tetsuya Higami, Hyogo, JP;

Kenichiro Hiwatari, Tokyo, JP;

Yu Yamaguchi, Tokyo, JP;

Haruki Obara, Tokyo, JP;

Takuya Kimura, Tokyo, JP;

Mitsumasa Homma, Tokyo, JP;

Kyohei Ochiai, Tokyo, JP;

Keita Kinoshita, Tokyo, JP;

Naoki Morimoto, Tokyo, JP;

Assignee:

ADEKA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 27/36 (2006.01); A61L 27/50 (2006.01);
U.S. Cl.
CPC ...
A61L 27/3691 (2013.01); A61L 27/3625 (2013.01); A61L 27/507 (2013.01); A61L 2430/40 (2013.01);
Abstract

A method of producing a decellularized transplantation material, wherein the method includes the steps of (a) harvesting a branch-bearing blood vessel from a vertebrate animal (a donor); (b) decellularizing the blood vessel; and (c) adhering, by a protein denaturation treatment, a portion where a branch has been excised to close the vessel. Also, a graft composition consisting of a biocompatible material that contains the decellularized transplantation material.


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