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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 11304852 B1

PDFFull Text
Date of Patent:
Apr. 19, 2022

Filed:

Aug. 24, 2018

Hemostatic textile

Applicants:

The University of North Carolina AT Chapel Hill, Chapel Hill, NC (US);

Entegrion, Inc., Research Triangle Park, NC (US);

Inventors:

Thomas H. Fischer, Hillsborough, NC (US);

E. Stan Eskridge, Chapel Hill, NC (US);

William M. Malloy, Cheraw, SC (US);

Malloy Evans, Cheraw, SC (US);

Assignees:

THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, Chapel Hill, NC (US);

ENIEGRION INC, Research Triangle Park, NC;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Bridget E Bunner

Int. Cl.
CPC ...
A61F 13/00 (2006.01); A61K 36/899 (2006.01); A61L 15/16 (2006.01); A61L 15/18 (2006.01); A61L 15/20 (2006.01); A61L 15/44 (2006.01); D02G 3/18 (2006.01); C08K 7/14 (2006.01); A61L 15/42 (2006.01);
U.S. Cl.
CPC ...
A61F 13/00042 (2013.01); A61F 13/00012 (2013.01); A61F 13/00017 (2013.01); A61L 15/16 (2013.01); A61L 15/18 (2013.01); A61L 15/20 (2013.01); A61L 15/42 (2013.01); A61F 2013/00089 (2013.01); A61F 2013/00463 (2013.01); A61K 36/899 (2013.01); A61L 2400/04 (2013.01); C08K 7/14 (2013.01); D02G 3/18 (2013.01); Y10T 442/30 (2015.04); Y10T 442/40 (2015.04);
Abstract

The present invention is directed to a hemostatic textile, comprising: a material comprising a combination of glass fibers and one or more secondary fibers selected from the group consisting of silk fibers; ceramic fibers; raw or regenerated bamboo fibers; cotton fibers; rayon fibers; linen fibers; ramie fibers; jute fibers; sisal fibers; flax fibers; soybean fibers; corn fibers; hemp fibers; lyocel fibers; wool; lactide and/or glycolide polymers; lactide/glycolide copolymers; silicate fibers; polyimide fibers; feldspar fibers; zeolite fibers, zeolite-containing fibers, acetate fibers; and combinations thereof; the hemostatic textile capable of activating hemostatic systems in the body when applied to a wound. Additional cofactors such as thrombin and hemostatic agents such as RL platelets, RL blood cells; fibrin, fibrinogen, and combinations thereof may also be incorporated into the textile. The invention is also directed to methods of producing the textile, and methods of using the textile to stop bleeding.

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