医療用コラーゲン単糸の製造方法
- 专利权人:
- ニプロ株式会社
- 发明人:
- 松田 和久,守永 幸弘,土居 伸年,堀田 敏文,永田 恒廣,清水 浩二
- 申请号:
- JP2009147136
- 公开号:
- JP4883141B2
- 申请日:
- 2009.06.22
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要:
PROBLEM TO BE SOLVED: To provide a continuous collagen single yarn as a collagen thread used for production of a surgical suture used in medical applications in living body or on a body surface or the like of a living body, various film-shaped, cloth-shaped, bag-shaped, and tube-shaped articles used for supply material and prosthetics in the system engineering field or regeneration medical field, or a pharmaceutical carrier, that is free from broken thread when being wound on a winding tool after spinning and free from mutual adhesion of yarns in the wound state.
SOLUTION: The collagen single yarn for medical use is obtained by dehydrating a collagen solution in a hydrophilic organic solvent with a water content of not more than 50%, dehydrating-coagulating the collagen solution to have a water content of not more than 10%, and then drying the collagen solution at a relative humidity of not more than 50% and a temperature of not more than 42°C, while keeping the tension.
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- 来源网站:
- 中国工程科技知识中心