ENDOSCOPE
An endoscope includes: a distal-end rigid portion including an opening through which an instrument protrudes; a raising base disposed in the opening and configured to change a direction in which the instrument protrudes; a rotary shaft fixed to the raising base so as to rotate together with the rais...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An endoscope includes: a distal-end rigid portion including an opening through which an instrument protrudes; a raising base disposed in the opening and configured to change a direction in which the instrument protrudes; a rotary shaft fixed to the raising base so as to rotate together with the raising base; an arm fixed to the rotary shaft so as to rotate the rotary shaft; a housing formed separately from the distal-end rigid portion, the housing including: a first bearing including a first shaft hole to rotatably support the rotary shaft; and a second bearing integrally formed with the first bearing and including a second shaft hole that is coaxially arranged with the first shaft hole so as to rotatably support the rotary shaft; and a seal member disposed between an outer circumference of the rotary shaft and an inner circumference of the first shaft hole to keep watertightness therebetween. |
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