| 摘要 |
A nose plug device includes one or two elongate members for engaging into the nostrils of the nose of a user. The elongate members each includes a check valve for allowing air to flow out of the elongate member and for preventing air or water from entering into the elongate member. The check valves each includes a forwardly curved or convex membrane having a slit for forming the check valve. The elongate members each has one or more peripheral flanges for engaging with the nose and for making a water tight seal with the nose and for securing the elongate members in the nose.
|
