Collagen material and its production process

Details Collagen material and its production process Collagen material and its production process

D - Textiles, Paper

04

H

D04H 1/42 (2006.01) A61L 15/32 (2006.01) A61L 17/08 (2006.01) A61L 26/00 (2006.01) A61L 27/00 (2006.01) A61L 27/24 (2006.01) A61L 31/04 (2006.01) C08L 89/06 (2006.01) D04H 1/64 (2006.01)

Patent

CA 2334664

A collagen material which has such physical properties as enabling suture while maintaining the biochemical characteristics inherent to collagen and can sustain its shape over a certain period of time after the application to a living body; and materials for medical use based thereon, for example, artificial nerve tubes, artificial spinal cords, artificial gullets, artificial tracheae, artificial blood vessels, artificial valves, artificial membranes for medical use such as artificial scleromeninx, artificial ligaments, artificial tendons, surgical suture threads, surgical loading materials, surgical reinforcing materials, wound protectors, artificial skin and artificial cornea. The above collagen material is characterized by comprising a biocompatible and biodegradable/absorbable substance filled in or sandwiched between matrices of a multidimensional nonwoven structure consisting of collagen fibers having ultrafine collagen fibers as the fundamental constituting unit.

Cette invention est un matériau collagénique présentant des propriétés physiques intéressantes telles que celles qui lui permettent de constituer une suture tout en conservant les caractéristiques inhérentes au collagène. En outre, il conserve sa forme pendant un certain temps après son application sur un corps vivant. L'invention concerne également des matériels à usage médical à base de ce matériau, et notamment des tubes nerveux artificiels, de la moelle épinière artificielle, des cytopharynx artificiels, des trachées artères artificielles, des vaisseaux sanguins artificiels, des valves artificielles, des membranes artificielles à usage médical telles qu'une dure-mère, des ligaments artificiels, des tendons artificiels, des fils de suture chirurgicaux, des matériaux de charge chirurgicaux, des matériaux de renfort chirurgicaux, des protections pour blessures, de la peau artificielle, et des cornées artificielles. Ce matériau collagénique est caractérisé en ce qu'il contient une substance biocompatible et biodégradable ou résorbable bourrée ou mise en sandwich entre des matrices d'une structure non-tissée multidimensionnelle constituée de fibres de collagène dont l'unité constitutive fondamentale sont des fibres de collagène ultra-fines.

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