Device implanted in a vessel with lateral legs provided with ant

Details Device implanted in a vessel with lateral legs provided with ant Device implanted in a vessel with lateral legs provided with ant

1990-10-10

1992-04-28

Rosenbaum, C. Fred

Surgery

Instruments

Internal pressure applicator

210448, A61B 1700

Patent

active

051084180

ABSTRACT:
This invention relates to a device adapted to be implanted in a vessel, for example a filter for retaining blood clots in a vein, which comprises lateral legs abutting on the wall of the vessel. According to the invention, each leg, whose end is not sharp, is provided with at least two teeth with antagonistic inclination. They are preferably placed towards the rounded end of the leg and have divergent directions. The tooth is for example obtained by cutting out and pushing a median part of the leg, and possibly by subsequent bending thereof. The angle made by the end part of the tooth with respect to the plane of the leg is included between 0 and 30.degree.; the tip of the tooth is at a distance of between 0.8 and 2 mm from the leg.

REFERENCES:
patent: 2281448 (1942-04-01), Mathey
patent: 3540431 (1970-11-01), Mobin-Uddin
patent: 3815578 (1974-06-01), Bucalo
patent: 3952747 (1976-04-01), Kimmell, Jr.
patent: 4688553 (1987-08-01), Metals
patent: 4817600 (1989-04-01), Herms et al.
patent: 4990156 (1991-02-01), Lefebvre

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