Guidewire and lock mechanism

Details Guidewire and lock mechanism Guidewire and lock mechanism

A - Human Necessities

61

F

A61F 2/01 (2006.01) A61F 2/06 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2439826

Methods and devices for delivering and/or retrieving a filter fixed to a guidewire disposed within a blood vessel are disclosed. A system in accordance with the present invention comprises, an outer shaft having a proximal end, distal end and a wall defining an outer shaft lumen. The system also includes a stop mechanism disposed within the outer shaft lumen.The stop mechanism is preferably configured such that relative axial movement between the guidewire and the outer shaft may be selectively precluded.

La présente invention concerne des méthodes et des dispositifs permettant de poser et/ou de récupérer un filtre fixé à un fil-guide disposé dans un vaisseau sanguin. Un système selon la présente invention comprend, une tige extérieure possédant une extrémité proximale, une extrémité distale et une paroi définissant une lumière de tige extérieure. Ledit système comprend également un mécanisme d'arrêt disposé dans la lumière de tige extérieure. Ledit mécanisme d'arrêt est de préférence conçu de sorte qu'un mouvement axial relatif puisse être sélectivement empêché entre le fil-guide et la tige extérieure.

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