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:
Dec. 20, 2022
Filed:
Apr. 18, 2017
Beijing Biosis Healing Biological Technology Co., Ltd., Daxing District, CN;
Bo Zhao, Beijing, CN;
Hongquan Wang, Beijing, CN;
Leilei Xia, Beijing, CN;
Yanrui Zhao, Beijing, CN;
Xuejun Li, Beijing, CN;
Jinhui Zhang, Beijing, CN;
Beijing Biosis Healing Biological Technology Co., Ltd., Daxing District, CN;
Abstract
Disclosed are a biological tissue matrix material, a preparation method therefor and the use thereof in an otological repair material. The biological tissue matrix material comprises an extracellular matrix. The extracellular matrix comprises a collagen fiber, a growth factor and fibronectin. The biological tissue matrix material has a low amount of DNA residue, a low immunogenicity, a high anti-infection ability, and a strong repair capability.