Endoscopic clip applier with hermaphroditic jaws mounted on...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/128 (2006.01) A61B 17/03 (2006.01)

Patent

CA 2509389

A flexible endoscopic clip applier includes a flexible coil with a manual actuator coupled to one end and a jaw assembly coupled to the other end. A store of clips is arranged adjacent to the jaw assembly and a clip pusher is arranged adjacent to the store of clips. The actuator includes a lever for opening and closing the jaws, a knob for rotating the jaw assembly, and a crank for dispensing clips. The knob and the lever are coupled to a single control member which extends through the coil to a joiner where it is joined to a pair of pull wires coupled to the jaws. The crank is coupled to a second control member which is threaded along a distal portion. The threaded portion engages a threaded member near the pusher and is coupled to the pusher such that rotation of the threaded control member by the crank causes the pusher to be moved distally.

Un applicateur d'agrafe endoscopique souple inclut une bobine souple avec un dispositif de commande manuel couplé à une extrémité et un ensemble de mâchoires couplé à l'autre extrémité. Un ensemble d'agrafes est arrangé voisin de l'ensemble de mâchoires et un poussoir d'agrafes est arrangé voisin de l'ensemble d'agrafes. Le dispositif de commande inclut un levier pour ouvrir et fermer les mâchoires, un bouton pour faire tourner l'ensemble de mâchoires et une manivelle pour distribuer des agrafes. Le bouton et le levier sont couplés à un élément de commande unique qui se prolonge à travers la bobine à un dispositif de jonction où il est joint à une paire de fils de traction couplée aux mâchoires. La manivelle est couplée à un deuxième élément de commande qui est fileté le long d'une partie distale. La partie filetée engage un élément fileté près du poussoir et est couplée au poussoir de façon que cette rotation de l'élément de commande fileté par la manivelle provoque le déplacement de manière distale du poussoir.

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