Device with a locating member for removably implanting a blood filter in a vein of the human body
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United States of America Patent
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-
Apr 5, 1994
Issued Date -
N/A
app pub date -
Dec 2, 1992
filing date -
Jan 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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