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:
May. 05, 2026

Filed:

Apr. 09, 2024
Applicants:

National University Corporation Nagoya Institute of Technology, Nagoya, JP;

Orthorebirth Co., Ltd., Yokohama, JP;

Inventors:

Toshihiro Kasuga, Nagoya, JP;

Yasutoshi Nishikawa, Yokohama, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61L 27/44 (2006.01); A61F 2/28 (2006.01); A61L 27/12 (2006.01); A61L 27/18 (2006.01); A61L 27/46 (2006.01); A61L 27/54 (2006.01); A61L 27/56 (2006.01); A61L 27/58 (2006.01); B29B 7/84 (2006.01); C08J 3/20 (2006.01); D01D 1/02 (2006.01); D01D 5/00 (2006.01); D01D 5/08 (2006.01); D01F 1/02 (2006.01); D01F 1/10 (2006.01); D01F 6/62 (2006.01); B29B 13/00 (2006.01); C08K 3/32 (2006.01);
U.S. Cl.
CPC ...
A61L 27/18 (2013.01); A61L 27/12 (2013.01); A61L 27/44 (2013.01); A61L 27/46 (2013.01); A61L 27/54 (2013.01); A61L 27/56 (2013.01); A61L 27/58 (2013.01); B29B 7/845 (2013.01); C08J 3/201 (2013.01); D01D 1/02 (2013.01); D01D 5/0038 (2013.01); D01D 5/0046 (2013.01); D01D 5/08 (2013.01); D01F 1/02 (2013.01); D01F 1/10 (2013.01); D01F 6/62 (2013.01); D01F 6/625 (2013.01); A61L 2300/412 (2013.01); A61L 2400/06 (2013.01); A61L 2400/12 (2013.01); A61L 2430/02 (2013.01); B29B 2013/005 (2013.01); C08K 2003/325 (2013.01); D10B 2331/041 (2013.01); D10B 2401/12 (2013.01); D10B 2509/00 (2013.01); D10B 2509/06 (2013.01);
Abstract

A bone-regeneration material comprising a biodegradable fiber produced using an electrospinning process, wherein the biodegradable fiber comprises 30 to 50 wt % of PLLGA resin and 70 to 50 wt % of β-TCP fine particles substantially uniformly dispersed in the PLLGA resin without forming aggregates, wherein the β-TCP fine particles are not chemically bonded to the PLLGA resin, and surroundings of the β-TCP fine particles are covered by the PLLGA resin so that the β-TCP fine particles are not separated from the biodegradable fiber during a formation of the fiber, and wherein the bone-regeneration material is sterilized by using radiation sterilization with gamma ray.


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Kasuga, Toshihiro. (2026). Method for manufacturing bone-regeneration material comprising biodegradable fibers by using electrospinning method (U.S. Patent No. 12616775). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12616775

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