| 摘要 |
An endoscope (2) that is provided with an insertion part (60) that has a tip section (61) to which an image sensor (72) is provided, with an operation part (64), with at least two tubes that constitute a circulation flow path for a liquid (12) that is for cooling the tip section (61), with a pump (50) that circulates the liquid (12), and with a heat-exchange part (40) that cools the liquid (12). At least one of the tubes is a liquid-core optical fiber (10) that has a core (11) that is filled with the liquid (12). |
