| 摘要 |
PURPOSE: A dust adsorbent unit installed inside nose is provided, which in characterized by using medical HEPA filter so as to adsorb fine particulate, thus it can prevent inhalation of fine particulate below 0.3 micrometer over 99.97%. CONSTITUTION: A dust adsorbent unit installed inside nose is made of liquified silicon rubber(NOSETEC) harmless to men, and it is installed about 3mm on the inward side from nostril so as not to be visible. Applied silicon rubber can be easily adapted to the shape of nosal cavity due to its elasticity, also changeable according to circumstances. Further, this unit can hold its adhesion in case of violent sneeze by using a holding means.
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