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CULTURED CARTILAGE TISSUE MATERIAL
专利权人:
GC CORPORATION
发明人:
Katsuyuki YAMANAKA,Yuuhiro SAKAI,Katsushi YAMAMOTO,Yusuke SHIGEMITSU
申请号:
US13845622
公开号:
US20130259838A1
申请日:
2013.03.18
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Provided is a cultured cartilage tissue material which enables formation of cartilage tissue being substantially the same as the cartilage tissue actually in the living body, and which is large in volume. The cultured cartilage tissue material is to be used for cartilage regeneration and comprises chondrocytes, and is a mixed body of chondrocytes in a concentration of 1×107 to 1×109 cells/cm3, and a bioabsorbable polymer. A thickness of the thinnest part of the cultured cartilage tissue material is 2.2 to 100 mm. A volume ratio between the chondrocytes and the bioabsorbable polymer is 7:3 to 9.5:0.5. A production amount of glycosaminoglycan is 0.001 to 0.2 ng per unit cell. A content ratio between type I collagen and type II collagen is 10:90 to 1:99. A content of type II collagen is 0.01 to 0.65 mg per 1 mg of dry weight of tissue.
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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