Microtubes and methods of producing same

Details Microtubes and methods of producing same Microtubes and methods of producing same

D - Textiles, Paper

01

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D01D 5/00 (2006.01) A61F 2/06 (2006.01) A61L 27/50 (2006.01) D01D 5/24 (2006.01) D01D 5/247 (2006.01) D01F 8/04 (2006.01)

Patent

CA 2664972

A method of producing a microtube is provided. The method comprising co- electrospinning two polymeric solutions through co-axial capillaries to thereby produce the microtube, wherein a first polymeric solution of the two polymeric solutions is for forming a shell of the microtube and a second polymeric solution of the two polymeric solutions is for forming a coat over an internal surface of the shell, the first polymeric solution is selected solidifying faster than the second polymeric solution and a solvent of the second polymeric solution is selected incapable of dissolving the first polymeric solution. Also provided are electrospun microtubes.

L'invention concerne un procédé de fabrication d'un microtube. Le procédé comporte le co-électrofilage de deux solutions polymères à travers des capillaires coaxiaux, permettant ainsi d'obtenir le microtube. La première solution polymère des deux solutions polymères est destinée à former une enveloppe du microtube, et la seconde solution polymère des deux solutions polymères est destinée à former un revêtement sur une surface interne de l'enveloppe. La première solution polymère choisie se solidifie plus rapidement que la seconde solution polymère, et un solvant choisi de la seconde solution polymère est incapable de dissoudre la première solution polymère. L'invention concerne également des microtubes électrofilés.

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