| 摘要 |
At the tip of an insert portion of an endoscope, LEDs are provided. An air and liquid supply unit is mounted on a handle portion of the endoscope. The air and liquid supply unit is provided with a tank, a pump, and a battery. Liquid, which is supplied to the tip, is stored in the tank. The battery supplies driving current to the pump and the LEDs. The pump takes in the surrounding air. In accordance with the manipulation of the buttons provided on a grip portion of the endoscope, the pump sends either the liquid or the air to the tip.
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