Method for producing a hollow profile using a cross-linked,...

A - Human Necessities – 61 – L

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A61L 27/22 (2006.01) A61F 2/02 (2006.01) A61F 2/04 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2628677

The aim of the invention is to devise a simple method for producing resorbable hollow profiles, the properties of said hollow profiles being influenceable across a wide scope. For this purpose, the method for producing a hollow profile uses a cross-linked, gelatinous material, the hollow profile having a polygonal cross-section and comprising a wall that surrounds a lumen. The method according to the invention comprises the following steps: a) producing an aqueous solution of a gelatinous material; b) partially cross- linking the dissolved, gelatinous material; c) applying the solution to the surface of a shaped element which defines a lumen; and d) at least partially allowing the solution to dry on the shaped element while forming a hollow profile based on the cross-linked, gelatinous material.

L'objectif de l'invention est de mettre en oeuvre un procédé de production simple de profilés creux résorbables, les propriétés desdits profilés creux pouvant être influencées par un large champ d'application. A cet effet, le procédé de production du profilé creux comprend l'utilisation d'un matériau réticulé et gélatineux, ledit profilé creux présentant une section transversale polygonale et comprenant une paroi qui entoure une lumière. Selon l'invention, le procédé comprend les étapes suivantes : a) production d'une solution aqueuse d'un matériau gélatineux ; b) réticulation partielle du matériau dissous, gélatineux ; c) application de la solution sur la surface d'un élément moulé définissant une lumière ; et d) séchage au moins partiel de la solution sur l'élément moulé, tout en formant un profilé creux à partir du matériau réticulé, gélatineux.

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