Haemostatic clip device

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/122 (2006.01) A61B 17/128 (2006.01)

Patent

CA 2481745

A clip device for hemostasis includes an introducing tube (outer sheath) insertable into a body cavity. An operating wire is slidably inserted into an inner sheath, which in turn is separately advanceable and retractable within the outer sheath (introducing tube). The operating wire has a distal end portion and a retainer attached to the distal end portion of the operating wire. The clip device further includes a clip having a proximal end portion and provided with a tendency to open. A first retainer is attached to the distal end of the clip and is matingly received by a second retainer provided on the operating wire. A clip sliding ring is provided for closing the arm portions of the clip. Methods for delivering the clip and for causing hemostasis are also provided.

Un dispositif à pince pour hémostase comprend un tube d'introduction (manchon extérieur) insérable dans une cavité corporelle. Un fil de commande est inséré par glissement dans un manchon intérieur qui, de son côté, peut être avancé et rétracté séparément à l'intérieur du manchon extérieur (tube d'introduction). Le fil de commande présente une portion d'extrémité distale et un élément de retenue attaché à ladite portion d'extrémité distale du fil de commande. Le dispositif à pince comprend en outre une pince ayant une portion d'extrémité proximale et au moins trois branches s'étendant à partir de la portion d'extrémité proximale et ayant tendance à s'ouvrir. Un premier élément de retenue est attaché à l'extrémité distale de la pince et est reçu, de manière coopérante, par un second élément de retenue prévu sur le fil de commande. Une bague coulissante de la pince est prévue pour la fermeture des bras de la pince. L'invention concerne en outre des procédés d'administration de la pince et provoquant l'hémostase.

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