Device for occluding abnormal vessel communications

Details Device for occluding abnormal vessel communications Device for occluding abnormal vessel communications

1997-04-08

2000-01-04

Buiz, Michael

Surgery

Instruments

Surgical mesh, connector, clip, clamp or band

606157, 606158, 606213, A61B 1708

Patent

active

060105178

ABSTRACT:
A device for occluding abnormal vessel communications is of the type comprised by a wire which, being pre-formed as a means of endo-luminal blocking and being stretchable in the direction of its longitudinal axis, has heat-sensitive resilient memory; said wire, which is to be introduced into an abnormal vessel communication, such as that produced between arteries and veins, or between systemic arterial circulation and pulmonary circulation, is characterized in that the wire is shaped as a conical spiral, the apex of which is followed by a terminal portion of the same wire, bent as a hook; such that the loops of said wire define portions of different diameter, which may be adapted to the vessel gap or passage, while the end as a hook is a means for anchoring the occluding device, emerging through the smaller end of the lumen.

REFERENCES:
patent: 5192301 (1993-03-01), Kamiya et al.
patent: 5454833 (1995-10-01), Boussignac et al.
patent: 5522822 (1996-06-01), Phelps et al.
patent: 5626599 (1997-05-01), Bourne et al.
patent: 5634936 (1997-06-01), Linden et al.

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