| 摘要 |
PROBLEM TO BE SOLVED: To provide a drainage device capable of efficiently discharging a liquid accumulated inside a palpebral fissure outside the palpebral fissure.SOLUTION: A drainage device 1 includes: a body part 11 comprising two side wall members 111 each having a tip part 111B formed in a shape that the tip part 111B bends downward; and a connection part 12 connecting the side wall members 111. The connection part 12 connects the respective side wall members 111 in a parallel state in a form that upper end parts of the adjacent side wall members 111 are separated at a distance d, and the inside side walls 111a of the adjacent side wall members 111 face each other, so that a body part 11 of the drainage device 1 is formed with a drainage passage R for discharging a liquid between the adjacent side wall members 111. Therefor, because an inflow area S1 and a passage area S2 of the liquid related to the drainage passage R increase, a lot of liquid can flow into and pass through a region between the respective side wall members 11. |
