Tissue-adhesive materials

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/58 (2006.01)

Patent

CA 2575943

This invention related to a tissue-adhesive sheet comprising a homogeneous, preformed and cross-linked matrix formed from one or more polymers, and having at least one surface that, in use, is exposed, at least one of said one or more polymers being a synthetic polymer and having appendant functional groups of a first form, cross-linking of said matrix being via a proportion of said functional groups of the first form, and the remainder of said functional groups of the first form being free. The sheet is particularly useful as a tissue adhesive and sealant, and is intended for topical application to internal and external surfaces of the body for therapeutic reasons. The invention further relates to sheets comprising a scaffold material, three- dimensional articles formed from similar material to that of the sheet and to implantable medical devices coated with such material.

L'invention concerne une feuille adhésive tissulaire comprenant une matrice homogène, préformée et réticulée constituée d'un ou de plusieurs polymères, et présentant au moins une surface qui, lors de l'utilisation, est exposée, au moins un dudit ou desdits polymères étant un polymère synthétique et présentant des groupes fonctionnels annexés d'une première forme, la réticulation de ladite matrice se faisant via une partie desdits groupes fonctionnels de la première forme, le reste desdits groupes fonctionnels de la première forme étant libres. La feuille est particulièrement utile en tant qu'agent de scellement et adhésif tissulaire et est conçue pour l'application topique sur des surfaces intérieure et extérieure du corps à des fins thérapeutiques. L'invention concerne également des feuilles comprenant un matériau support, des articles tridimensionnels formés à partir d'un matériau similaire à celui de la feuille ainsi que des dispositifs médicaux implantables revêtus dudit matériau.

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