Artificial trachea

Details Artificial trachea Artificial trachea

A - Human Necessities

61

F

A61F 2/04 (2006.01) A61L 27/16 (2006.01) A61L 27/40 (2006.01)

Patent

CA 2391959

An artificial trachea which comprises a base material of a mesh of polypropylene tubes having polypropylene yarn stents wound helically on the perimeter thereof, a thin layer of amorphous collagen arranged around the base material, and, formed on both the outer and inner faces of the thin layer of amorphous collagen, a layer of the collagen in the form of fine fibers which has been crosslinked by heating. The artificial trachea can be used clinically with safety, and in particular, can be advantageously used as an artificial trachea for an intrathoracic trachea.

L'invention concerne une trachée artificielle comprenant un matériau de base sous forme d'un réseau de tubes de polypropylène présentant des stents de fils de polypropylène enroulés en hélice autour de leur périmètre, une fine couche de collagène amorphe entourant le matériau de base et une couche de collagène sous forme de fines fibres thermiquement réticulées recouvrant les faces externe et interne de la fine couche de collagène amorphe. La trachée artificielle se prête à une utilisation clinique en toute sûreté et plus particulièrement sert de trachée artificielle pour une trachée intrathoracique.

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