Supple tissue dressing assemblies, systems, and methods...

A - Human Necessities – 61 – L

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A61L 15/22 (2006.01) A61L 15/28 (2006.01)

Patent

CA 2663372

Methods of forming supple tissue dressing assemblies from hydrophilic polymer sponge structures, such as chitosan, by uniformly cooling the sponge structure and freezer from above freezing to below freezing. The supple tissue dressing assemblies are characterized by suppleness or multi-dimensional flexibility. The assemblies can be flexed, bent, folded, twisted, and even rolled upon itself before and during use, without creasing, cracking, fracturing, otherwise compromising the integrity and mechanical and/or therapeutic characteristics of the assemblies.

La présente invention concerne des procédés permettant de fabriquer des ensembles de pansement en tissu souple à partir de structures spongieuses polymères hydrophiles, telles que le chitosane, lesdits procédés consistant à refroidir de manière uniforme la structure spongieuse en passant d'une température au-dessus du point de congélation à une température en dessous du point de congélation. Les ensembles de pansement en tissue souple sont caractérisés par leur souplesse ou une flexibilité multidimensionnelle. Les ensembles peuvent être fléchis, courbés, pliés, tordus, et même enroulés sur eux-mêmes avant et après utilisation, sans se froisser, se fendre, se déchirer, et sans compromettre d'une quelconque autre manière l'intégrité et les caractéristiques mécaniques et/ou thérapeutiques des ensembles.

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