Cooling apparatus for endoscope and endoscope system
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United States of America Patent
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Jun 2, 2015
Grant Date -
Oct 2, 2008
app pub date -
Mar 14, 2008
filing date -
Mar 19, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The endoscope cooling device is to cool an insertion portion having an observation portion at the distal end. The device is provided with an inner sheath into which the distal end portion of the insertion portion including the observation portion is inserted to form a first flow path of a cooling fluid between the outer circumferential face of the insertion portion and the inner circumferential face of the inner sheath, an outer sheath into which the inner sheath is inserted to form a second flow path of the cooling fluid between the outer circumferential face of the inner sheath and the inner circumferential face of the outer sheath, a regulating means for regulating the distal end portion in moving at least either through the inner sheath or the outer sheath, and a fluid supply means for supplying the cooling fluid to the first flow path and the second flow path.
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