Polysaccharide gel composition

The present invention provides a process for preparing a cross-linked biocompatible polysaccharide gel composition, which comprises: forming an aqueous solution of a water soluble, cross-linkable polysaccharide; initiating a cross-linking of said polysaccharide in the presence of a polyfunctional cr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANGSTROM GERUP, BENGT
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a process for preparing a cross-linked biocompatible polysaccharide gel composition, which comprises: forming an aqueous solution of a water soluble, cross-linkable polysaccharide; initiating a cross-linking of said polysaccharide in the presence of a polyfunctional cross-linking agent therefor; sterically hindering the cross-linking reaction from being terminated before gelation occurs, an activated poly-saccharide being obtained; and reintroducing sterically unhindered conditions for said activated polysaccharide so as to continue the cross-linking thereof to a viscoelastic gel. The invention also provides a gel composition obtainable by such a process as well as gel compositions for different medical uses.