Ball joint and introducer for vasoocclusive member

Details Ball joint and introducer for vasoocclusive member Ball joint and introducer for vasoocclusive member

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61B 17/03 (2006.01) A61B 17/12 (2006.01)

Patent

CA 2216613

This is an assembly for controllably delivering vaso-occlusive devices to a selected site within the vasculature or other lumen of human body by the use of a catheter. In particular, the device includes a holding member which is at least generally tubular and has an opening through the tubular wall. The vaso-occlusive device to be delivered has on one end a mating member which may be at least partially pressed into the opening in the wall of the holding member. The mating member attached to the vaso-occlusive member is held in the opening with an interference wire. The interference wire is axially movable within the holding member and has a diameter sufficient to hold the mating member within the wall opening. Upon proximal movement of the interference wire, the mating member becomes free to leave the holding member. The interference wire may be tapered or not. The vaso-occlusive member may be a helically wound coil or a braid or other appropriate form.

Système pour introduire de façon contrôlée des dispositif d'occlusion vasculaire dans un site sélectionné à l'intérieur de la vasculature ou d'une autre lumière de l'organisme humain, à l'aide d'un cathéter. Le système comprend un élément de prise, de forme généralement tubulaire avec une ouverture dans la paroi. Le dispositif d'occlusion vasculaire possède à l'une de ses extrémités un élément de jonction qui peut être enfoncé au moins partiellement dans ladite ouverture. L'élément de jonction fixé au dispositif d'occlusion vasculaire est maintenu dans l'ouverture par un câble d'interférence. Celui-ci est axialement mobile à l'intérieur de l'élément de jonction et possède un diamètre suffisant pour maintenir l'élément de jonction dans l'ouverture de la paroi. Après déplacement proximal du câble, l'élément de jonction peut librement quitter l'élément de prise. Le câble peut être effilé ou non. L'élément d'occlusion vasculaire peut avoir une structure hélicoïdale ou être en forme de tresse ou en une autre forme appropriée.

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