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    • 5. 发明公开
    • MEDICAL MATERIAL AND ANTI-ADHESION MATERIAL
    • 医用材料和防粘材料
    • EP3263141A1
    • 2018-01-03
    • EP16755628.1
    • 2016-02-25
    • Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    • ISONO, YasuyukiNOISHIKI, Yasuharu
    • A61L27/00
    • A61L27/34A61L15/64A61L27/50A61L27/56A61L27/58A61L31/042A61L31/12A61L31/148A61L2300/236A61L2300/424A61P41/00C08L1/26C08L5/04C08L5/08
    • There is provided a medical material that retains the properties which are inherent in a polyanionic polysaccharide being a raw material, that has a high level of safety because there is no need to use a chemical crosslinking agent during production, and that has a moderate strength with which a suture and the like can be conducted. The medical material is provided with a reinforcement material and a film section penetrating at least a portion of the reinforcement material to be integrated with the reinforcement material. In the medical material, the film section is formed by water-insolubilizing a film precursor section made of a raw material containing a water-soluble salt of a first polyanionic polysaccharide with a treatment liquid containing a first acid anhydride, and the reinforcement material is nonwoven fabric or woven fabric containing a biodegradable/absorbent polymer material, or a sponge-like carrier or a felt-like carrier formed by water-insolubilizing a raw material-shaped body made of a raw material containing a water-soluble salt of a second polyanionic polysaccharide with a treatment liquid containing a second acid anhydride.
    • 提供了一种医用材料,其保留了作为原材料的聚阴离子多糖中固有的特性,因为在生产过程中不需要使用化学交联剂,并且具有适中的强度 可以进行缝合等。 医用材料设置有增强材料和穿透增强材料的至少一部分以与增强材料一体化的膜部分。 在医用材料中,膜部分通过用含有第一酸酐的处理液对由包含第一聚阴离子多糖的水溶性盐的原材料制成的膜前体部进行水不溶化而形成,并且增强材料是非织造材料 包含可生物降解/吸收性聚合物材料的织物或机织织物或通过使由含有第二聚阴离子的水溶性盐的原料制成的原料形状体不溶于水而形成的海绵状载体或毡状载体 多糖与含有第二酸酐的处理液。