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:
Jul. 03, 2018

Filed:

Apr. 13, 2015
Applicants:

Akina, Inc., West Lafayette, IN (US);

The United States of America, As Represented BY the Department of Veterans Affairs, Washington, DC (US);

Inventors:

Kinam Park, West Lafayette, IN (US);

Clark Tobias Barco, Martinsville, IN (US);

Haesun Park, West Lafayette, IN (US);

Yourong Fu, Ashburn, VA (US);

John Solomon Garner, West Lafayette, IN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 3/075 (2006.01); C08G 81/00 (2006.01); A61C 8/02 (2006.01); A61B 90/00 (2016.01); A61F 2/28 (2006.01); A61K 47/34 (2017.01); C08F 299/02 (2006.01); A61B 17/88 (2006.01); A61B 17/68 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
C08J 3/075 (2013.01); A61B 90/02 (2016.02); A61C 8/0006 (2013.01); A61F 2/2803 (2013.01); A61K 47/34 (2013.01); C08F 299/024 (2013.01); C08G 81/00 (2013.01); A61B 17/8858 (2013.01); A61B 2017/00004 (2013.01); A61B 2017/00898 (2013.01); A61B 2017/681 (2013.01); A61F 2310/00383 (2013.01); C08J 2353/00 (2013.01);
Abstract

The present invention provides tissue expanders comprising biodegradable, chemically cross-linked hydrogels which are elastic in the dry state. These biocompatible tissue expanders are self-inflating and membrane-free. They swell slowly and elicit minimal negative tissue responses, while allowing for rapid and easy manipulation by the surgeon at the time of emplacement.


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