Apparatus and method for securing a graft to a tunneler

Details Apparatus and method for securing a graft to a tunneler Apparatus and method for securing a graft to a tunneler

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61F 2/06 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2572080

An apparatus (10) is provided for securing a graft (12) to a tunneler during implantation of the graft subcutaneously for vascular access. The apparatus (10) includes an elongated member (16) adapted to be tunneled subcutaneously from an entry point at a first location on the skin surface of a patient to an exit point at a second location on the skin surface of the patient. The elongated member (16) includes a proximal en and (18) a distal end (20). The apparatus (10) further includes a graft engagement portion (24) at the proximal end (18) of the elongated member (16). The graft engagement portion (24) includes at least one proximally facing surface adapted to slideably receive, in a direction toward the distal end (20), the inner surface of a graft (12). The graft engagement portion (24) further includes at least one radially projecting element (26) adapted to resist movement of the graft (12), after the graft has been received over the proximally facing surface, in a direction toward the proximal end.

L~invention décrit un appareil (10) pour fixer un greffon (12) à un dispositif de formation de tunnel lors de l'implantation sous-cutanée du greffon pour un accès vasculaire. L'appareil (10) inclut un élément allongé (16) adapté pour être introduit de manière sous-cutanée à partir d'un point d'entrée en un premier emplacement sur la surface de la peau d'un patient vers un point de sortie en un deuxième emplacement sur la surface de la peau du patient. L'élément allongé (16) inclut une extrémité proximale (18) et distale (20). L'appareil (10) inclut de plus une partie d~insertion du greffon (24) à l'extrémité proximale (18) de l'élément allongé (16). La partie d~insertion du greffon (24) inclut au moins une surface faisant face de manière proximale adaptée pour recevoir de façon coulissante, en direction de l'extrémité distale (20), la surface interne d'un greffon (12). La partie d~insertion du greffon (24) inclut également au moins un élément se projetant de manière radiale (26) adapté pour résister au mouvement du greffon (12), après que le greffon ait été reçu sur la surface faisant face de manière proximale, en direction de l'extrémité proximale.

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