Surgical retrieval assembly and associated method
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United States of America Patent
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Apr 21, 1998
Issued Date -
N/A
app pub date -
Aug 8, 1996
filing date -
Nov 5, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A surgical instrument assembly for a snare cauterization operation comprises a tubular member having a diameter sufficiently small so that the tubular member can be inserted through a biopsy channel of a flexible endoscope. Multiple endoscopic instrument including a cauterization loop, a flexible web member connected to the cauterization loop or to an auxiliary loop so as to form a capture pocket, and an elongate flexible fluid feed tube provided at a distal end with a needle point and an aperture, are slidably disposed in the tubular member. The fluid feed instrument is used to expand a flat or nonprojecting polyp prior to severing thereof with the cauterization loop and capture of the severed polyp with the web member or pocket.
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