Ligation device for endoscope
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United States of America Patent
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-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Jun 17, 1998
filing date -
Jun 19, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ligation device includes (1) a flexible outer tube which can be inserted through a channel of an insertion tube of the endoscope, (2) a flexible inner tube provided in the outer tube, (3) a ring which is made of an elastic material and is provided to a periphery of the inner tube, and (4) an manipulator which moves the outer tube with respect to the inner tube, so that the outer tube pushes the ring out of the inner tube.
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