Cover member for roller of endoscope apparatus and method of processing endoscope apparatus
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United States of America Patent
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Feb 28, 2023
Grant Date -
Apr 1, 2021
app pub date -
Sep 30, 2019
filing date -
Sep 30, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An endoscope apparatus having: an insertion portion extending along a longitudinal axis; a roller driven by a drive force to rotate around the longitudinal axis; and a cover member covering the roller, wherein the cover member has: a base layer having: an outer surface direction side; and an inner surface direction side arranged to contact the roller, wherein portions of the base layer covering the roller as the roller rotates around the longitudinal axis of the insertion portion elastically elongate in an outer surface direction of the insertion portion, and wherein the base layer has a secondary material being a first color at a first temperature range and a second color at a second temperature range; and an external coating layer formed on at least one of the outer surface direction side and the inner surface direction side of the base layer.
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