According to the reporter, the circular piece that the inner cannula clips unto broke off the flange.The inner cannula and ventilator tubing connected to it was separated from the patient, inhibiting the patient's ability to be ventilated and patient desaturated to 75%.The nurse was able to reinsert airway and manually hold it in.The patient's oxygen increased and patient recovered.Patient then had to undergo an emergent trach change.It was also reported that the second trach broke at the same time.
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