Endoscope
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United States of America Patent
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Jun 6, 2000
Grant Date -
N/A
app pub date -
Sep 14, 1998
filing date -
Oct 31, 1997
priority date (Note) -
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Abstract
The present invention provides an endoscope having an opening of a channel tube retracted from a distal end face having an observation window of the insert therein toward a proximal end side. When a plurality of polyps are removed, a picked-up polyp is moved back from the distal end face of the insert toward the proximal side of the insert in order for the picked-up polyp not to interfere with observation by the endoscope and operation by a cutting tool extending through the endoscope channel.
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