Vascular prosthesis

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/06 (2006.01)

Patent

CA 2303802

A vascular prosthesis (50) comprises a tube (52) of material other than autologous vascular tissue, the tube having an end formation for surgical connection direct to an opening formed in an artery, the formation comprising an enlarged chamber (54) having a heel (56) and a toe (58) at opposite ends of a first longer diameter parallel to the axis of the tube and a second shorter transverse diameter, the enlarged chamber serving to promote localised movement of blood having a non-laminar nature with a shear stress inducing relationship to receiving arterial wall.

L'invention concerne une prothèse vasculaire (50) munie d'un tube (52) constitué d'un matériau autre qu'un tissu vasculaire autologue et présentant une formation d'extrémité qui permet un raccordement chirurgical direct à une ouverture pratiquée dans l'artère. Cette formation comprend une chambre agrandie (54) comportant un talon (56) et un pied (58) à des extrémités opposées d'un premier diamètre plus long parallèle à l'axe du tube et d'un deuxième diamètre transversal plus court, ladite chambre agrandie servant à faciliter une circulation sanguine localisée de nature non laminaire avec une contrainte de cisaillement induisant une relation avec la paroi artérielle de réception.

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