MEDICAL MATERIAL AND ANTI-ADHESION MATERIAL

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United States of America Patent

SERIAL NO

15548714

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
DAINICHISEIKA COLOR & CHEMICALS MFG CO LTDCHUO-KU TOKYO 103-8383

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ISONO, Yasuyuki Tokyo, JP 9 20
NOISHIKI, Yasuharu Yokohama-shi, JP 34 737

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