Switch device for plugging of inner sleeve during tracheostomy
A switch device and inner cannula technology, which can be used in the direction of tracheal intubation, other medical equipment, respirators, etc., can solve the problems of waste of medical supplies, inconvenience, and touching patients' wounds
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[0017] Such as Figure 1-3 As shown, the present invention includes an inner sleeve 1 and a cap 2 fixedly connected to the outer end of the inner sleeve 1, and one side between the cap 2 and the outer end of the inner sleeve 1 is provided with small holes and corresponding For the matching pin 3, two parallel circular thin slices 4 are fixed at both ends of the pin 3, one of which is placed in the inner sleeve 1; the diameter of the circular thin slices 4 is the same as the inner diameter of the inner sleeve 1.
[0018] Squeeze the outer circular sheet and rotate it. When the sheet is perpendicular to the axial direction of the inner casing, it is in a blocked state (such as image 3 shown); when the sheet is parallel to the axial direction of the inner casing, it is in an open state.
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