Endovascular aortic repair delivery system with anchor

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/84 (2006.01)

Patent

CA 2650068

A delivery system (10) is provided for deploying a prosthesis (12) in a body lumen, the prosthesis having a radially compressed configuration. The delivery system includes a primary elongated member (16) positioned coaxially within the prosthesis. A secondary elongated member (18) surrounds a portion of the primary elongated member and a portion of the secondary elongated member is positioned coaxially within the prosthesis. The delivery system further includes a proximal anchor (20P) attached to the secondary elongated member. The anchor is adapted for engagement with the proximal end of the prosthesis, thereby maintaining the prosthesis in its radially compressed configuration. At least one outer sheath (26) is adapted to be retracted to expose the prosthesis while the prosthesis is maintained in its radially compressed configuration. The primary elongated member and the secondary elongated member are axially movable relative to one another to disengage the prosthesis from the anchor and permit expansion of the radially compressed prosthesis.

La présente invention concerne un système d'implantation (10) permettant le déploiement d'une prothèse (12) dans une lumière corporelle, la prothèse présentant une configuration de compression radiale. Le système d'implantation comporte un premier organe de forme allongée (16) en position coaxiale dans la prothèse. Un second organe de forme allongée (18) entoure une partie du premier organe de forme allongée et une partie du second organe de forme allongée est en position coaxiale dans la prothèse. Le système d'implantation comporte également un dispositif d'ancrage (20P) proximal fixé au second organe de forme allongée. Le dispositif d'ancrage est apte à s'engager avec l'extrémité proximale de la prothèse, permettant ainsi de maintenir la prothèse dans sa configuration de compression radiale. Au moins une gaine extérieure (26) est apte à se rétracter pour exposer la prothèse tout en maintenant la prothèse dans sa configuration de compression radiale. Le premier organe de forme allongée et le second organe de forme allongée sont axialement mobiles l'un par rapport à l'autre pour dégager la prothèse de son dispositif d'ancrage et permettre l'expansion de la prothèse comprimée radialement.

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