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.:
Date of Patent:
Aug. 11, 2020
Filed:
Jun. 21, 2018
Applicant:
Beijing Bonsci Technology Co., Ltd., Beijing, CN;
Inventors:
Hongtao Nie, Beijing, CN;
Kai Zhang, Beijing, CN;
Assignee:
Beijing Bonsci Technology Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 27/56 (2006.01); A61L 27/36 (2006.01); A61L 27/48 (2006.01); A61L 27/46 (2006.01);
U.S. Cl.
CPC ...
A61L 27/56 (2013.01); A61L 27/3675 (2013.01); A61L 27/46 (2013.01); A61L 27/48 (2013.01);
Abstract
A composite dura substitute implant for implantation at a dura defect site having a porous layer that provides an osteoconductive scaffold for bony ingrowth, a porous layer that provides a scaffold for regeneration of collagen at a dura surface, and an intervening layer for preventing cerebrospinal leakage is disclosed. The composite dura substitute implant facilitates regeneration of dura mater and promotes osteointegration with bony tissue. Methods of manufacturing such an implant and methods of treatment using such composite dura substitute implants are further disclosed.