Insertion instrument for vena cava filter
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United States of America Patent
Stats
-
Sep 15, 1992
Grant Date -
N/A
app pub date -
Nov 26, 1990
filing date -
Nov 26, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved insertion instrument for a vena cava filter is provided and iudes a filter retainer attached to the catheter for preventing accidental ejection of the filter and for enabling retraction of the filter into the carrier body at any time prior to complete ejection; a directional control mechanism attached to the plunger housing for allowing a user to guide the filter retainer through a vascular network; and a simplified plunger locking mechanism on the plunger for preventing premature ejection of the filter.
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