A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/12 (2006.01)
Patent
CA 2730728
Embolic coil implant systems whereby coils (16, 116, 216) are mechanically detachable are disclosed. The coils include a retention element (32, 132, 232) that may be releasably retained within the distal end of an implant tool (14, 114, 214). The implant tool may include a fulcrum (120) configured to engage a first filament (30) and prevent the release of the coil when the first filament is engaged. Alternatively, an urging means (240) and aperture (244) may be disposed within the sidewall of the implant tool, and a first filament may, in conjunction with the aperture and sidewall, releasably retain the coil until the first filament is withdrawn. The implant tool may also include an alignment member (228) for aligning the first filament.
Linvention concerne des systèmes dimplant de type spire dembolisation dans lesquels les spires (16, 116, 216) sont mécaniquement démontables. Les spires comportent un élément de retenue (32, 132, 232) pouvant être retenu de façon libérable à lintérieur de lextrémité distale dun outil dimplantation (14, 114, 214). Loutil dimplantation peut comporter un point dappui (120) conçu pour venir en prise avec un premier filament (30) et empêcher la libération de la spire quand ledit filament est en prise. En variante, un moyen de poussée (240) et un orifice (244) peuvent être disposés à lintérieur de la paroi latérale de loutil dimplantation, et un premier filament peut, en conjonction avec lorifice et la paroi latérale, retenir de façon libérable la spire jusquau retrait dudit premier filament. Loutil dimplantation peut également comporter un élément dalignement (228) servant à aligner le premier filament.
Barry David
Bose Arani
Hui Delilah
Leynov Aleksander
Pons Stephen
Fetherstonhaugh & Co.
Penumbra Inc.
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