| 摘要 |
PROBLEM TO BE SOLVED: To easily confirm the close contact (fit state) of a mask so as to use the mask safely by providing a fit test mask body used being mounted to the outside or inside of a simplified mask, and a confirming means provided at the fit test mask body to confirm close contact to the face. SOLUTION: A fit test mask 1 has a nearly conical fit test mask body 1a formed of impermeable material, and a valve element 3 is provided outside of one hole 2 bored at the nearly center part of the body 1a. A fit test mask frame 4 has a ring-like respiratory organ pressing part 5 pressing according to the shape of a face, and a bridge pressing part 6 pressing a bridge part formed in bellows shape on the upper side. Fitting bodies 7 to the ear side are provided on both lateral sides of the pressing part 5. At the time of making a wearing test, air is inhaled in the state of wearing the mask body 1a on the face, and air inflow from a noncontact part of the mask body 1a is confirmed to adjust the frame 4. |
