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

摘要

The three dimensional, low friction vasoocclusive coil has a portion that is three dimensionally box or cubed shaped. The three dimensional box or cubed shaped portion will form a basket for filling the anatomical cavity at the site in the vasculature to be treated. The vasoocclusive device 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.

主权项

1. A vasoocclusive device that is adapted to be inserted into a portion of a vasculature for occluding a portion of the vasculature for use in interventional therapy and vascular surgery, comprising:
a plurality of strands of flexible material including a centrally, axially disposed radiopaque wire, said plurality of strands of flexible material being formed to have a first portion with a first substantially linear configuration, and a second three dimensional substantially cube shaped orthogonal configuration, and a second portion, said second portion having a first substantially linear configuration, and a second elongated configuration including a series of seven helical loops, said series of seven helical loops of said second portion having a free end and an end connected to said first portion, with said series of seven helical loops extending from the second three dimensional substantially cube shaped orthogonal configuration of the first portion in said second elongated configuration, said series of seven helical loops of said second portion being configured to extend inwardly within said first portion to fill and reinforce the three dimensional substantially cube shaped orthogonal configuration of said first portion in said second elongated configuration when the vasoocclusive device is implanted at the site in the vasculature to be treated.