Expanded polytetrafluoroethylene vascular graft with coating

Details Expanded polytetrafluoroethylene vascular graft with coating Expanded polytetrafluoroethylene vascular graft with coating

A - Human Necessities

61

L

A61L 27/16 (2006.01) A61L 27/34 (2006.01) A61L 27/50 (2006.01)

Patent

CA 2365274

A vascular graft comprised of a tubular polytetrafluoroethylene (ePTFE) sheet is provided. The ePTFE sheet has a substantially uniform coating of bioresorbable gel material, for example gelatin, on a surface thereof. The coating minimises bleeding through suture holes in the ePTFE sheet and provides an increase in longitudinal extensibility.

L'invention concerne une greffe vasculaire constituée d'une feuille tubulaire en polytétrafluoroéthylène expansé. Cette feuille présente, sur une surface, un revêtement sensiblement uniforme de matériau de gel biorésorbable, par exemple de la gélatine. Ce revêtement permet de minimiser le saignement à travers les trous de suture dans ladite feuille et d'augmenter l'extensibilité longitudinale.

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