Intravascular device with netting system

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/90 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2683969

An intravascular device for keeping open a previously constricted site within a vessel and for minimizing tissue debris at such a site from closing off the vessel is provided. The device includes an expandable substantially tubular body having a distal end and a proximal end. The device also includes a flexible netting system that is circumferentially disposed about the body, and extends beyond at least one of the distal end or proximal end. The netting system can expand along with the body to minimize release of tissues debris at the site from closing the lumen of the vessel. The netting system can include a plurality of pores to permit communication between fluid flow within the vessel and the vessel wall, and at least one pharmacotherapeutic agent for the treatment or prevention of certain conditions. A method for placing the device at a site of interest is also provided.

La présente invention concerne un dispositif intravasculaire permettant de maintenir ouvert un site auparavant étranglé au sein d'un vaisseau et de réduire au minimum les débris tissulaires dans ledit site issus de l'effondrement du vaisseau. Le dispositif comprend un corps tubulaire substantiellement extensible ayant une extrémité distale et une extrémité proximale. Le dispositif comprend également un système à filet souple qui est disposé autour de la circonférence du corps, et qui s'étend au-delà d'au moins l'extrémité distale ou de l'extrémité proximale. Le système à filet peut s'étendre le long du corps pour réduire au minimum la libération de débris tissulaires dans le site issus de l'effondrement de la lumière du vaisseau. Le système à filet peut comprendre une pluralité de pores pour permettre une communication entre la circulation de fluide au sein du vaisseau et au moins un agent pharmacothérapeutique pour le traitement ou la prévention de certains états. L'invention concerne également un procédé permettant la mise en place du dispositif dans le site d'intérêt.

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