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GELATIN PARTICLE AND USE THEREOF, AND DEVICE FOR ADMINISTRATION OF PHYSIOLOGICALLY ACTIVE SUBSTANCE
专利权人:
发明人:
Chieko MIURA,Miki MAKABE,Eriko ABE,Shinji SUGAWARA,Toshiyuki YOSHIKAWA
申请号:
US14027312
公开号:
US20140079794A1
申请日:
2013.09.16
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The present invention relates to a gelatin particle, which is a thermally crosslinked non-porous spherical gelatin particle having a circularity of 0.8 or more and a dry particle diameter of 20 to 1,600 μm. The average volume swelling ratio of the gelatin particle in a case where the gelatin particle is immersed in physiological saline at 23° C. is from 200 to 2,000% relative to an average volume of the gelatin particle in a dried state. As for a swollen gelatin particle, it is preferable that the gelatin used has a jelly strength of 80 to 120 g and the swollen gelatin particle has a particle diameter of 50 to 2,000 μm. The gelatin particle can be used for blood vessel embolization and also for controlled release of physiologically active substance.
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中国工程科技知识中心
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