Removable vena cava filter with anchoring feature for...

Details Removable vena cava filter with anchoring feature for... Removable vena cava filter with anchoring feature for...

A - Human Necessities

61

F

A61F 2/01 (2006.01)

Patent

CA 2563372

The present invention involves a removable filter (10) for capturing thrombi in a blood vessel. The filter comprises a plurality of struts (12) having first ends attached together along a longitudinal axis (X) of the filter. Each strut has a body member (15) extending from the first end along the longitudinal axis to an anchoring hook (26) defining a strut axis (S). Each strut is configured to move along a strut path (P) relative to the longitudinal axis between an expanded state for engaging with the blood vessel and a collapsed state for filter delivery or retrieval. Each anchoring hook has an angle of up to about 90 degrees relative to the strut axis.

L'invention concerne un filtre amovible (10) permettant de capturer des thrombi dans un vaisseau sanguin. Ce filtre comprend une pluralité de montants (12) dont les premières extrémités sont reliées les unes aux autres le long d'un axe longitudinal (X) du filtre. Chaque montant comprend un élément corps (15) qui s'étend le long de l'axe longitudinal jusqu'à un crochet de fixation (26) définissant un axe de montant (S). Chaque montant est conçu pour se déplacer le long d'un chemin de montant (P) par rapport à l'axe longitudinal entre un état déplié permettant d'entrer en contact avec le vaisseau sanguin et un état plié pour la mise en place ou le retrait du filtre. Chaque crochet de fixation est orienté à un angle pouvant atteindre environ 90 degrés par rapport à l'axe de montant.

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