Hydrogel

Details Hydrogel Hydrogel

C - Chemistry, Metallurgy

08

B

C08B 15/05 (2006.01) A61K 47/36 (2006.01) A61L 31/00 (2006.01) C08B 37/08 (2006.01) C08K 3/00 (2006.01) C08L 1/08 (2006.01) C08L 5/00 (2006.01)

Patent

CA 2731791

A hydrogel comprising a polysaccharide, wherein amphiphilic side chains are bonded to the carboxyl groups of a polysaccharide with carboxyl groups on side chains, an inorganic ion other than calcium ion, and water, and a method for its preparation. The gel has high viscoelasticity, can be injected into the body using an instrument such as a syringe, and is useful for various biomedical materials.

Linvention concerne un hydrogel et un procédé de préparation associé. Cet hydrogel contient un polysaccharide comportant, au niveau de la chaîne latérale, un groupe carboxyle auquel une chaîne latérale amphiphile est liée, un ion inorganique autre quun ion calcium et de leau. Lhydrogel selon linvention présente une viscoélasticité élevée et il est utile comme matériau médical à des fins diverses. Des exemples selon linvention comprennent des hydrogels pouvant être injectés dans un corps au moyen dun instrument tel quune seringue.

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