Oral cavity intubation fixing device

The utility model relates to an oral cavity cannula fixator which comprises a fixator body (1) provided with a through hole (2) for a cannula to pass through; the two ends of the elastic bandage (3) are connected with the two ends of the fixator body (1) respectively; the first intubation limiting structures (4) are arranged on the fixator body (1) in the length direction of the fixator body (1) and arranged on the two sides of the through hole (2); the second intubation limiting structures (5) are arranged on the fixator body (1) in the width direction of the fixator body (1) and arranged on the two sides of the through hole (2). According to the scheme, the cannula can be surrounded, limited and fixed in the transverse direction and the longitudinal direction, so that the cannula is limited and fixed stably and firmly and cannot move under the action of external force, normal and stable breathing of a patient when the patient uses the cannula is effectively guaranteed, and breathing safety of the patient is