Connector, applicator and method for mechanically connecting...

Details Connector, applicator and method for mechanically connecting... Connector, applicator and method for mechanically connecting...

A - Human Necessities

61

B

A61B 17/11 (2006.01) A61B 17/076 (2006.01) A61B 17/30 (2006.01) A61B 17/064 (2006.01) A61B 17/28 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2436835

The invention relates to a connector, applicator and method for mechanically connecting hollow structures, in particular small blood vessels, in order to make an anastomosis. The connector incorporates various features to create a reliable engagement with the vessel walls to make a good connection thereof. The applicator may comprise knife members to make an arteriotomy and punch a hole in one of the vessel walls, comprises an expansion portion to cause a large expansion with a minimum profile, and comprises anvil members to reliably bring the staple-like elements to the joining position.

L'invention a trait à un connecteur (1), un applicateur et un procédé d'abouchement mécanique de structures creuses, en particulier de petits vaisseaux sanguins, afin de pratiquer une anastomose. Le connecteur comprend divers éléments servant à créer une mise en contact sûre avec les parois des vaisseaux, de sorte à en assurer l'abouchement. L'applicateur peut comporter des éléments de couteau conçus pour pratiquer une artériotomie et former un trou dans une des parois du vaisseau. L'applicateur comporte une partie d'élargissement pour provoquer un élargissement important avec un profil minimum, ainsi que des éléments d'enclume pour mettre, de manière sure, les éléments de type agrafe (5) du connecteur en position de raccordement. L'invention concerne également des dispositifs auxiliaires, tels qu'un emporte-pièce et un instrument de déformation.

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