Bronchoscope introduction cannula
A bronchoscope and cannula technology, applied in the direction of trocar, puncture needle, puncture needle, etc., can solve the problems of damage to tracheal tissue, heavy foreign body sensation in patients, etc., to reduce foreign body sensation, strong operability, and improve surgical comfort Effect
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Embodiment 2
[0039] Such as Figure 4 As shown, there are also two support bars 2 in this embodiment. One support bar is solid with an outer diameter of 1.0 mm, and the other support bar 2 is a hollow structure and serves as a trachea 4, that is, a support bar. Combined with the inflation tube; the outer diameter of the support bar of the hollow structure is 1.2mm, the inner diameter is 0.8mm; the lower port of the support bar 2 is inserted into the cavity of the airbag 3, and the upper end extends outward , The upper port is connected to the inflation source.
[0040] The rest is the same as in Example 1.
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