Side branched endoluminal prostheses and methods of delivery...

A - Human Necessities – 61 – F

Patent

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A61F 2/06 (2006.01) A61F 2/90 (2006.01)

Patent

CA 2683017

An expandable prosthetic device and method of delivery that allows the initial placement of multiple guidewires into selected target sites. The prosthesis includes a main body device. This main body device has a separate side branch guidewire lumen that passes through the main body device and through a side opening in the main body device. As the main body device is advanced, the side opening is self guided (by the side branch guidewire) and self-aligns to the side branch vessel ostium. The main body device is then deployed, leaving the side branch guidewire in place. A side branch device is then advanced along the side branch guidewire through the main body device, through the side wall opening and into the native side branch vessel. The side branch device can then be deployed to engage the main body device and the native side branch vessel.

L'invention concerne un dispositif de prothèse extensible et un procédé de mise en place qui permettent une mise en place initiale de multiples fils guide en des sites cibles sélectionnés. La prothèse comprend un dispositif de corps principal. Ce dispositif de corps principal présente une lumière de fil guide à ramification latérale distincte qui traverse le dispositif de corps principal et une ouverture latérale dans le dispositif de corps principal. Lorsque le dispositif de corps principal est avancé, l'ouverture latérale est guidée automatiquement (par le fil guide à ramification latérale) et s'auto-aligne avec l'ostium du vaisseau à ramification latérale. Le dispositif de corps principal est alors déployé, laissant le fil guide à ramification latérale en place. Un dispositif de ramification latérale est alors avancé le long du fil guide de ramification latérale à travers le dispositif de corps principal, à travers l'ouverture de paroi latérale et dans le vaisseau à ramification latérale natif. Le dispositif de ramification latérale peut alors être déployé pour mettre en prise le dispositif de corps principal et le vaisseau à ramification latérale natif.

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