Filtration unit for retaining blood clots

Details Filtration unit for retaining blood clots Filtration unit for retaining blood clots

1996-08-09

1998-03-10

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606198, A61F 202, A61B 1700

Patent

active

057255504

ABSTRACT:
The invention relates to a blood filtration unit which is to be implanted in a vessel (11) of a patient's body, especially for retaining blood clots, comprising a first filter (2) which is to be implanted temporarily, a first catheter (20) for introducing the first filter (2) into the vessel, a second filter (1) which is to be implanted permanently, the second filter (1) having a central opening of which the diameter is sufficiently large to permit the passage of the first filter (2) through it, and a second catheter (22) for introducing the second filter (1) into the vessel (11) and for removing the first filter (2) from the vessel (11).

REFERENCES:
patent: 4817600 (1989-04-01), Herms et al.
patent: 4832055 (1989-05-01), Palestrant
patent: 5059205 (1991-10-01), El-Nounou et al.
patent: 5133733 (1992-07-01), Rasmussen et al.
patent: 5300086 (1994-04-01), Gory et al.
patent: 5324304 (1994-06-01), Rasmussen
patent: 5344427 (1994-09-01), Cottenceau et al.
patent: 5383887 (1995-01-01), Nadal

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