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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 12473664 B1

PDFFull Text
Date of Patent:
Nov. 18, 2025

Filed:

Jan. 14, 2021

Medical sheet

Applicant:

Nippon Zoki Pharmaceutical Co., Ltd., Osaka, JP;

Inventors:

Takafumi Konishi, Osaka, JP;

Mitsuru Naiki, Kato, JP;

Toshiko Ujita, Osaka, JP;

Hitoshi Yamamoto, Ono, JP;

Assignee:

NIPPON ZOKI PHARMACEUTICAL CO., LTD., Osaka, JP;

Attorney:

Oliff PLC

Primary Examiner:

Vivian Chen

Int. Cl.
CPC ...
D01F 6/92 (2006.01); A61K 9/70 (2006.01); A61K 31/714 (2006.01); A61K 45/06 (2006.01); A61L 27/18 (2006.01); A61L 27/50 (2006.01); A61L 27/54 (2006.01); A61L 27/56 (2006.01); A61L 27/58 (2006.01); A61L 31/06 (2006.01); A61L 31/14 (2006.01); A61L 31/16 (2006.01); A61P 25/00 (2006.01); D01F 6/62 (2006.01);
U.S. Cl.
CPC ...
D01F 6/92 (2013.01); D01F 6/625 (2013.01); A61K 9/70 (2013.01); A61K 9/7007 (2013.01); A61K 31/714 (2013.01); A61K 45/06 (2013.01); A61L 27/18 (2013.01); A61L 27/50 (2013.01); A61L 27/54 (2013.01); A61L 27/56 (2013.01); A61L 27/58 (2013.01); A61L 31/06 (2013.01); A61L 31/146 (2013.01); A61L 31/16 (2013.01); A61L 2300/428 (2013.01); A61L 2300/604 (2013.01); A61L 2430/32 (2013.01); A61P 25/00 (2018.01);
Abstract

A medical sheet has a cell infiltration suppressing action, including a nonwoven fabric formed of fiber containing an aliphatic polyester, and having a porosity of 50 to 90%. The sheet is very useful because it has an excellent neuroprotective and/or nerve regeneration promoting action, which protects nerves by suppressing the infiltration of inflammatory cells such as macrophages and not giving stimulation that adversely affects nerves because body fluids pass therethrough, by winding around a nerve at a peripheral nerve injury site.

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