Vaso-occlusive coil delivery system

Details Vaso-occlusive coil delivery system Vaso-occlusive coil delivery system

A - Human Necessities

61

B

A61B 17/12 (2006.01)

Patent

CA 2739603

A delivery wire assembly has a proximal tubular portion, a distal coil portion, and a lumen extending at least partially through the assembly, the delivery wire forming a first conductive path extends through the lumen from a proximal end of the delivery wire assembly to a location distal with respect to the distal coil portion. The distal extension includes a sacrificial detachment zone. The delivery wire assembly further includes a second conductive path formed by the proximal tubular portion and distal coil portion. A delivery wire adapter has a distal end comprising a plurality of fingers configured to interface between adjacent open pitched windings of the proximal end of an attached occlusive coil. The proximal end of the delivery wire adapter is secured to a distal portion of the delivery wire.

Un ensemble fil d'acheminement possède une partie tubulaire proximale, une partie en spirale distale et une lumière s'étendant au moins partiellement à travers l'ensemble. Le fil d'acheminement formant un premier trajet conducteur s'étend à travers la lumière d'une extrémité proximale de l'ensemble fil d'acheminement à un emplacement distal par rapport à la partie en spirale distale. L'extension distale comprend une zone sacrificielle de détachement. L'ensemble fil d'acheminement comprend en outre un second trajet conducteur formé par la partie tubulaire proximale et la partie en spirale distale. Un adaptateur de fil d'acheminement a une extrémité distale comprenant une pluralité de doigts configurés pour servir d'interface entre des enroulements à pas ouvert, adjacents de l'extrémité proximale d'une spirale d'occlusion liée. L'extrémité proximale de l'adaptateur de fil d'acheminement est fixée à une partie distale du fil d'acheminement.

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