Biological tissue matrix material, preparation method therefor and use thereof in otological repair material

US11529437B2 · kind B2 · utility

Assignee

• Beijing Biosis Healing Biological Technology Co., Ltd. · CN

Inventors

• Bo Zhao · Jingwei, CN
• Hongquan Wang · Shanghai, CN
• Leilei Xia · Beijing, CN
• Yanrui Zhao · Beijing, CN
• Xuejun Li · Shanghai, CN
• Jinhui Zhang · 南丰镇, CN

Key dates

• Filing date: Apr 18, 2017
• Grant date: Dec 20, 2022
• Expiry date: Dec 31, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2430/40
• WIPO field: Medical technology
• WIPO sector: Instruments

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.