Composite staple for completing an anastomosis

A - Human Necessities – 61 – B

Patent

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A61B 17/11 (2006.01) A61B 17/064 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2458946

An anastomosis staple comprising of a plurality of vessel engaging members (14) and a binding structure (12) holding the vessel engaging members together is described. The binding structure has at least one bioabsorbable element. The binding structure is rigid enough to allow for deployment and quickly resorbs to avoid problems associated with intimal hyperplasia and physical hindrance of secondary interventional procedures. The vessel engaging members may be comprised of superelastic or shape memory metal and are independent from one another. The members may be equidistant from one another and embedded within the binding structure. The composite staple can preferably serve as a drug delivery vehicle.

L'invention concerne une agrafe d'anastomose constituée d'une pluralité d'éléments en contact avec un vaisseau et d'une structure de liaison maintenant ces éléments ensemble. Cette structure de liaison, qui comporte au moins un élément bioabsorbable, est suffisamment rigide pour permettre le déploiement du dispositif et elle se résorbe rapidement pour éviter les problèmes associés à l'hyperplasie intime et à la gêne physique de procédés d'interventions secondaires. Les éléments en contact avec le vaisseau, qui sont en métal très élastique ou à mémoire de forme, sont indépendants les uns des autres. Ils peuvent être mutuellement équidistants et insérés dans la structure de liaison. Cette agrafe composite sert de préférence de vecteur pour l'administration de médicaments.

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