Device with a locating member for removably implanting a blood f

Details Device with a locating member for removably implanting a blood f Device with a locating member for removably implanting a blood f

1992-12-02

1994-04-05

Rosenbaum, C. Fred

Surgery

Instruments

Internal pressure applicator

128899, 604175, A61M 2900

Patent

active

053000862

ABSTRACT:
This device comprises an elastic guide wire onto which is fitted a semi-rigid tubular mandrel which is in turn fitted into a thin-walled tubular sheath. A catheter in the form of an easily divisible flexible tube has a distal end that permanently holds a blood filter. The catheter's proximal end receives a locating member that can be confined under the skin of a patient to insure that no infection develops. After the filter is temporarily implanted, a removable strengthening cable can be inserted into the catheter to advance the filter along the sheath to a chosen position in a vein, in particular the inferior vena cava, of the patient. The locating member makes it easy to remove the filter whenever the risk of pulmonary embolism is no longer present.

REFERENCES:
patent: 4553961 (1985-11-01), Pohndorf et al.
patent: 4832055 (1989-05-01), Palestrant
patent: 4834713 (1989-05-01), Suthanthiran
patent: 4969891 (1990-11-01), Gewertz
patent: 5152777 (1992-10-01), Goldberg et al.

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