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Composite Collagen Sponge and Preparation Method Thereof
专利权人:
Shanshan Wang
发明人:
Shanshan Wang
申请号:
US14235355
公开号:
US20140235539A1
申请日:
2012.06.07
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The present invention discloses a composite collagen sponge and the preparation method thereof. The composite collagen sponge comprises collagen, cell growth factors, and a protecting agent, and has a water absorption capacity of more than 52 times. The preparation method includes a cation chromatographic purification step and a two-stage inactivation step consisting of organic solvent/detergent virus inactivation and dry heat virus inactivation. The composite collagen sponge obtained by the method of the present invention not only improves the safety and performance of the product in clinical applications, but also ensures the stability and the bioactivity throughout the effective life of the product.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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