logo

For the Inventor, By the Inventor

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.:

US 10933171 B1

PDFFull Text
Date of Patent:
Mar. 02, 2021

Filed:

Nov. 16, 2017

Collagen sol for submucosal local injection

Applicants:

Tokyo Metropolitan Industrial Technology Research Institute, Tokyo, JP;

National University Corporation Gunma University, Gunma, JP;

Inventors:

Toshio Uraoka, Tokyo, JP;

Naohisa Yahagi, Tokyo, JP;

Shunji Yunoki, Tokyo, JP;

Yoshimi Ohyabu, Tokyo, JP;

Takefumi Narita, Tokyo, JP;

Assignees:

Tokyo Metropolitan Industrial Technology Research Institute, Tokyo, JP;

National University Corporation Gunma University, Gunma, JP;

Attorneys:

Suzannah K. Sundby, Esq.

Canady + Lortz LLP

Primary Examiner:

Marcela M Cordero Garcia

Int. Cl.
CPC ...
A61L 31/04 (2006.01); A61K 31/352 (2006.01); A61L 31/16 (2006.01); A61K 47/22 (2006.01); A61K 9/06 (2006.01); A61B 17/32 (2006.01); A61L 31/14 (2006.01); A61L 33/12 (2006.01); A61B 17/28 (2006.01); A61K 47/42 (2017.01); A61K 47/02 (2006.01);
U.S. Cl.
CPC ...
A61L 31/047 (2013.01); A61B 17/28 (2013.01); A61B 17/32 (2013.01); A61K 9/06 (2013.01); A61K 31/352 (2013.01); A61K 47/02 (2013.01); A61K 47/22 (2013.01); A61K 47/42 (2013.01); A61L 31/04 (2013.01); A61L 31/044 (2013.01); A61L 31/14 (2013.01); A61L 31/16 (2013.01); A61L 33/12 (2013.01); A61B 17/320016 (2013.01);
Abstract

Object of the present invention is to provide a safe sol for submucosal local injection which gels and creates a mucosal elevation having a high retention rate of mucosal elevation height when locally injected into a digestive submucosa. Provided is a sol for submucosal local injection containing from 0.2 mass % to 1.2 mass % of a collagen, water, a buffer, and from 200 mM to 420 mM sodium chloride.

Find Patent Forward Citations

Uraoka, Toshio. (2021). Collagen sol for submucosal local injection (U.S. Patent No. 10933171). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10933171

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…