Extravascular anastomotic components and methods for forming...

A - Human Necessities – 61 – B

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A61B 17/00 (2006.01) A61B 17/064 (2006.01) A61B 17/11 (2006.01) H01F 41/02 (2006.01) A61B 17/04 (2006.01) A61F 2/00 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2387048

Methods and devices using magnetic force to form an anastomosis between hollow bodies. End-to-side, side-to-side and end-to-end anastomoses can be created without using suture or any other type of mechanical fasteners, although such attachment means may be used in practicing some aspects of the invention. Magnetic anastomotic components (16) may be attached to the exterior of a vessel, e.g., by adhesive, without extending into the vessel lumen. Various magnetic component configurations are provided and may have different characteristics, for example, the ability to match the vessel curvature or to frictionally engage the vessel.

L'invention concerne des méthodes et des dispositifs utilisant la force magnétique pour former une anastomose entre des corps creux. Des anastomoses termino-latérales, latéro-latérales et termino-terminales peuvent être créés sans suture et sans aucun autre type de fixations mécaniques, bien que ces moyens d'attache peuvent être utilisés dans la mise en pratique de certains aspects de l'invention. Des éléments anastomotiques magnétiques (16) peuvent être attachés à l'extérieur d'un vaisseau, par exemple, par un adhésif, sans s'étendre dans la lumière du vaisseau. Différentes configurations d'éléments magnétiques sont prévues et peuvent présenter différentes caractéristiques, par exemple, la capacité de s'adapter à la courbure des vaisseaux ou de venir en contact de frottement avec le vaisseau.

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