Helical vena cava filter

Details Helical vena cava filter Helical vena cava filter

A - Human Necessities

61

M

A61M 29/00 (2006.01)

Patent

CA 2630447

A vena cava filter is described, having at least one member arranged helically along a longitudinal axis of the filter. The filter may include a plurality of legs around which is arranged one or more filaments traveling in a helical path, or an elongated wire member arranged to define a first and second helecal path. The filter may include hooks and/or a retreival member.

La présente invention concerne un filtre de veine cave comportant au moins un élément disposé de manière hélicoïdale le long d~un axe du filtre. Le filtre peut comprendre une pluralité de montants autour desquels un ou plusieurs filaments sont disposés se déplaçant sur un trajet hélicoïdal, ou un élément de fil allongé disposé pour définir un premier et un second trajet hélicoïdal. Le filtre peut comprendre des crochets et/ou un élément de récupération.

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