Yuichi HATASE,Naoyuki HARAGUCHI,Satoru MIYANISHI,Takafumi SANADA
申请号:
US16785385
公开号:
US20200201024A1
申请日:
2020.02.07
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A lens having a quadrangular outer shape in a direction perpendicular to its center, an imaging element having a quadrangular outer shape in the direction perpendicular to the center axis, an element cover glass covering an imaging surface of the imaging element, a light guide placed outside at least one side of the lens and extending along the center axis, and a cylinder holder disposed between the lens and the light guide are disposed in a tip portion of an endoscope.