Endovascular filter

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/01 (2006.01) A61L 31/08 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2450070

Endovascular filter (10) including a plurality of struts (14) with distal ends (18) adapted to anchor the filter to the vessel wall after deployment, such as by having barbs (20), the filter being adapted to be retrieved if 5 desired. Strut distal ends (18) are coated with an antiproliferative agent (40) that inhibits the ingrowth of tissue around the filter, thereby permitting the filter to be retrieved and removed atraumatically after a prolonged period of time, thus extending the useful life of the retrievable filter. Optionally, the proximal end (22) of the filter may also be so coated, or the entire filter.

L'invention concerne un filtre endovasculaire (10) comprenant une pluralité de traverses (14) à extrémités distales (18) adaptées pour fixer le filtre, une fois déployé, sur la paroi du vaisseau, par l'intermédiaire de pattes incurvées (20), le filtre étant adapté pour être récupéré, si désiré. Les extrémités distales (18) des pattes sont revêtues d'un agent antiproliférant (40) qui inhibe l'adhérence du tissu autour du filtre, de sorte que le filtre peut être récupéré et retiré de manière atraumatique après une période de temps prolongée, ce qui accroît la durée de vie utile du filtre récupérable. En variante, l'extrémité proximale (22) du filtre, ou le filtre en entier, peut également être revêtu.

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