Device for removing solid objects from body canals, cavities and organs including an invertable basket
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Jan 26, 1998
filing date -
Oct 6, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is directed to a surgical instrument used in minimally invasive procedures performed under either direct, endoscopic, fluoroscopic, or other visualization. The surgical instrument includes a frame which can be retracted into and extended from a sheath to form a loop and a sack having a mouth that is attached to the loop. The sack is used to encircle and capture foreign objects in body canals, cavities or organs. The wire frame is formed of a shape-memory-effect alloy wire in a super elastic state and previously trained to form the loop, the loop forming when the said wire frame is extended beyond the sheath. An invertor is connected to a closed end of the sack for urging the closed end of the sack toward the mouth of the sack.
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Family
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