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ENDOSCOPE AND HYDROPHILIC CAP
专利权人:
发明人:
申请号:
EP06822249.6
公开号:
EP1955642B1
申请日:
2006.10.25
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
An endoscope includes: an insertion portion including a distal end portion, to be inserted into a subject observation means disposed in the insertion portion an optical member configuring a part of an outer surface of the distal end portion, through which a photographing light to be incident into the observation means transmits a first hydrophilic portion that is film-formed at least on a surface of the optical member a second hydrophilic portion that is film-formed on a first surface of the distal end portion in which the optical member is disposed and a third hydrophilic portion that is film-formed on a second surface separate from the first surface of the distal end portion. The endoscope can thus clearly photograph an image of the inside of the highly humid body cavity even if an operation is performed for a long time period with the endoscope left inserted in the body cavity.
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