Blood-tight implantable textile material and method of making

Details Blood-tight implantable textile material and method of making Blood-tight implantable textile material and method of making

A - Human Necessities

61

L

A61L 27/14 (2006.01) A61L 27/34 (2006.01) A61L 29/04 (2006.01) A61L 29/08 (2006.01)

Patent

CA 2547559

An unmodified textile material is combined with a mixture including a non- colloidal polysaccharide slurry to form a blood-tight implantable textile material. A substantially porous unmodified textile material is impregnated with a biocompatible, bioresorbable slurry to make an implantable textile material, preferably in the form of a vascular graft. Sodium alginate is a preferred polysaccharide to use in the mixture, which serves as a viable alterative to collagen impregnation and coatings of vascular grafts.

Un matériau textile non-modifié est combiné avec un mélange incluant une boue de polysaccharide non-colloïdal de façon à former un matériau textile implantable étanche au sang. Un matériau textile non-modifié sensiblement poreux est imprégné d'une boue biocompatible, biorésorbable, pour faire un matériau textile implantable, de préférence sous forme d'un greffon vasculaire. L'alginate de sodium est un polysaccharide préféré à utiliser dans le mélange, qui sert de solution de remplacement viable à l'imprégnation et à l'enduction au collagène des greffons vasculaires.

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