Double cavity type oropharyngeal airway
A technology of oropharyngeal ventilation tube and ventilation tube, which is applied in the direction of iron lung and other medical devices to reduce blockage, relieve pain and ensure the effect of airway
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specific Embodiment 1
[0023] Figure 1 ~ Figure 4 Constitute specific embodiment 1.
[0024] Such as figure 1 , figure 2 , Figure 4 As shown, the double-chamber oropharyngeal ventilation tube includes a ventilation tube body 1 and an oxygen mask 2 composed of a double-lumen soft ventilation tube. The front part 1-2 of the ventilation tube body 1 is curved and connected together to form a conjoined body A double-cavity structure, the conjoined double-chamber structure is provided with an outer vent hole 4 and an inner vent hole 5 to communicate with the inner cavity; the rear part 1-1 of the vent pipe body 1 is separated to form a split-type double-chamber structure, so The split-type double-chamber structure is fixed by the fixed plate 1-3; the fixed plate 1-3 is movably connected with the oxygen mask 2 to seal the bottom of the oxygen mask 2; the inner cavity of the oxygen mask 2 is provided with a moist porous sponge 3. The side wall is provided with an oxygen input port 2-1 communicating w...
specific Embodiment 2
[0025] The characteristics of this specific embodiment 2 are: the outer ventilation holes 4 can be provided with two, three, four, five, six, seven, eight, nine or more than ten, and can be arranged in a cavity It can also be set on two cavities. There can be one, two or more than three interior air holes 5 . All the other are with specific embodiment 1.
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