Three dimensional, low friction coil, and method of manufacture

Details Three dimensional, low friction coil, and method of manufacture Three dimensional, low friction coil, and method of manufacture

A - Human Necessities

61

B

A61B 17/12 (2006.01) A61F 2/01 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2412486

The three dimensional, low friction vasoocclusive coil (1) has a portion that is three dimensionally box or cubed shaped. The three dimensional box or cubed shaped portion (8) will form a basket for filling the anatomical cavity at the site in the vasculature to be treated. The vasooclusive device (1) is formed from at least one strand of a flexible material formed to have a first inoperable, substantially linear configuration for insertion into and through a catheter or cannula to a desired portion of the vasculature to be treated, and a second operable, three dimensional configuration for occluding the desired portion of the vasculature to be treated. The vasoocclusive coil may optionally include a portion that is substantially J-shaped or helically shaped, for filling and reinforcing the three dimensional portion.

L'invention concerne une spirale tridimensionnelle à coefficient de friction réduit pour occlusion vasculaire comportant une partie tridimensionnelle en forme de cube ou de boîte. Cette partie tridimensionnelle cubique forme un panier destiné à occuper une cavité anatomique au niveau d'un site à traiter dans le système vasculaire. Ce dispositif d'occlusion vasculaire comprend au moins un brin d'une matière souple dont une première configuration sensiblement linéaire d'inutilisation permet une insertion dans un cathéter ou une canule jusqu'à une partie souhaitée du système vasculaire, une seconde configuration tridimensionnelle d'utilisation permettant d'occlure la partie à traiter du système vasculaire. Cette spirale d'occlusion vasculaire peut éventuellement comprendre une partie sensiblement en forme de J ou une partie hélicoïde destinée à remplir et à renforcer ladite partie tridimensionnelle.

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