Method and device for the treatment of vulnerable tissue site

A - Human Necessities – 61 – F

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Details

A61F 2/06 (2006.01) A61B 17/12 (2006.01) A61B 17/122 (2006.01) A61B 17/128 (2006.01) A61F 15/00 (2006.01) A61B 17/064 (2006.01)

Patent

CA 2446472

The present invention is directed to method and apparatus for treating vulnerable tissue site, such as aneurysms in the abdominal area or in the thoracic cavity, and expanded tissues on various organs and body surfaces such as the heart. The apparatus of the present invention, are containment members (10) at least partially containing the vulnerable tissue site, thus preventing or minimizing the further vulnerability or growth of the site. Additionally, or alternatively, the containment members (10) can apply resistive force to the vulnerable tissues site. The force can be compressive against the exterior surface of the tissue site. The containment members (10) of the present invention can be used alone or in combination with support members, such as stent/grafts (230), in treating a tissue site. In this embodiment, the support member is disposed within the inner lumen (203) of the vulnerable tissue site with the containment member disposed on the exterior surface of the lumen.

La présente invention concerne une méthode et un appareil permettant de traiter des sites tissulaires vulnérables, tel que des anévrismes dans la région abdominale ou dans la cavité thoracique, et des tissus dilatés sur divers organes et surfaces corporelles tels que le coeur. L'appareil décrit dans ladite invention présente des éléments de confinement permettant de contenir au moins en partie le site tissulaire vulnérable, empêchant ou réduisant ainsi au minimum la vulnérabilité ou le développement plus important du site. De plus, ou dans une variante, les éléments de confinement peuvent appliquer une force résistive au site tissulaire vulnérable. La force peut être compressive contre la surface extérieure du site tissulaire. Les éléments de confinement de la présente invention peuvent être utilisés seuls ou en combinaison avec des éléments de support, tels que des prothèses endovasculaires greffes, dans le traitement d'un site tissulaire. Dans ce mode de réalisation, l'élément de support est disposé dans la lumière intérieure du site tissulaire vulnérable, l'élément de confinement étant disposé sur la surface extérieure de la lumière.

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