A negative pressure mouthpiece for preventing aerosol spreading in stomatology
An opening device and aerosol technology, which is used in oral mirrors, instruments that provide a sterile surgical environment, dentistry, etc. Effect
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[0026] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0027] The negative pressure gag for preventing the spread of aerosol in the stomatology department includes a gag 1 and a transparent mask box 2 . Such as figure 1 As shown, the mouth gag 1 includes a lip bracket 11 for spreading the lips and a foam suction cover 12 attached to the oral cavity wall. Suction holes 3 are densely distributed on the inner surfaces of the mouth box 2 and the foam suction hood 12, and the sucti...
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