Vena cava filter with filament

Details Vena cava filter with filament Vena cava filter with filament

A - Human Necessities

61

F

A61F 2/02 (2006.01)

Patent

CA 2630217

A vena cava filter is described, having one or more frame members or an elongated member arranged in helical fashion. A plurality of filaments connect frame members or portions of the elongated member. The filaments may be made of suture material. Hooks may be placed on a free end of the filaments, along the length thereof, or on one or more frame members to engage the blood vessel wall and anchor the filter. A retrieval member may be positioned on the filter to facilitate withdrawal of the filter from the blood vessel.

La présente invention concerne un filtre de veine cave comportant un ou plusieurs éléments de cadre ou un élément allongé disposé de manière hélicoïdale. Une pluralité de filaments raccorde les éléments de cadre ou les parties de l~élément allongé. Les filaments peuvent être faits d~un matériau de suture. Des crochets peuvent être placés sur une extrémité libre des filaments, le long de leur longueur, ou sur un ou plusieurs éléments de cadre pour entrer en prise avec la paroi du vaisseau sanguin et ancrer le filtre. Un élément de récupération peut être positionné sur le filtre pour faciliter le retrait du filtre à partir du vaisseau sanguin.

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