Multifunctional breathing intervention trachea cannula adapter

The utility model discloses a multifunctional breathing intervention trachea cannula adapter which comprises a trachea cannula body and a trachea cannula body adapter tube head arranged at the end, and a trachea cannula connecting hole, an endoscope operation hole, an injection hole and a breathing machine connecting hole are formed in the adapter tube head. A threaded end is connected in the trachea cannula connecting hole in a threaded fit mode, and the threaded end is integrally fixed to the trachea cannula body. According to the utility model, the sealing rubber ring can be sleeved on the connecting threaded end in advance, the connecting threaded end of the trachea cannula main body can be inserted into the trachea cannula connecting hole of the adapter tube head, and the trachea cannula main body can be connected with the adapter tube head to limit the positions of the trachea cannula main body and the adapter tube head; and a gap between the trachea cannula main body and the adapter tube head is filled