| 摘要 |
PROBLEM TO BE SOLVED: To provide a mask device 1 for feeding gases in which a mask body 6 can be worn relatively easily and relatively surely to a mask wearer 2 by hooking a band for head wearing such as a stretchable bandage to a head 26 of the mask wearer 2 relatively easily and relatively surely even when there are not strings 14, 21 for head wearing such as a rubber string.SOLUTION: Each of short holes 15 to 18 for string fitting and long holes 22, 23 for band fitting are arranged at an end part 11a on a left side and an end part 11b on a right side of an outer peripheral part 11 of a mask body 6 respectively. |
