A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/11 (2006.01) A61B 17/064 (2006.01) A61B 17/068 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2441874
An instrument for attaching a graft to an aorta includes a first needle assembly (230) for breaching the aorta to provide a hole in a wall thereof, and a carrier portion (170) for insertion of an end of a tubular graft through the hole and into the aorta. Arms (172) are pivotally mounted on the instrument and are moveable from a position extending axially of the carrier (170) to a position extending radially from the carrier (170) to spread the end of the graft radially outwardly from a tubular portion of the graft to form an annular flange extending outwardly from the tubular portion, and to support the flange within the aorta and around the hole therein. A second needle assembly (50) retains the suture material (10) and advances the suture material (10) into engagement with the aorta wall and the graft flange for suturing the graft flange to the aorta wall.
L'invention porte sur un instrument permettant de fixer un greffon à l'aorte comportant un premier ensemble aiguille (230) de percement de la paroi de l'aorte et un support (170) d'insertion de l'extrémité du greffon tubulaire dans l'orifice ouvert dans l'aorte. Des bras (172) montés pivotants sur l'instrument peuvent passer d'une position parallèle au support (170) à une position perpendiculaire au support (170) pour distendre radialement l'extrémité d'une portion tubulaire du greffon afin de former une collerette annulaire extérieure à la partie tubulaire, et soutenir la collerette placée dans l'aorte et entourant l'orifice. Un deuxième ensemble aiguille (50) retient le matériel (10) de suture et l'avance pour le mettre en contact avec la paroi de l'aorte et la collerette du greffon et les suturer ensemble.
Allen William J.
Miller Arnold
Mccarthy Tetrault Llp
Onux Medical Inc.
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