Novel bite block for anesthesia

The utility model discloses a novel bite block for anesthesia. The novel bite block is provided with an airway tube sleeve groove. In the applying process, an airway tube is pressed into the sleeve groove to be fixed, a patient bites the sleeve groove with teeth, a blocking tooth ring used for preventing the airway tube from moving is arranged on the sleeve groove, a pressing sleeve seam of the sleeve groove penetrates through the groove wall and the blocking tooth ring, the pressing sleeve seam is straight or bent, the groove wall of the sleeve groove and the blocking tooth ring are connected into a whole and made of harmless plastic, the sleeve groove and the airway tube are fixed through adhesive tape, and the blocking tooth ring is circular or oval and is located on the upper middle portion of the sleeve groove. After tracheal intubation is carried out on the patient, the position of the airway tube is determined, the airway tube is pressed into the bite block, the blocking tooth ring is located outside the upper and lower teeth, the bite block and the airway tube are fixed by adhesive tape, and the two ends of the adhesive tape are stuck to the skin of the face of the patient to prevent the airway tube from swinging or moving left and right. The novel bite block can be conveniently and effectively fixed to the airway tube, does not occupy the oral cavity space, facilitates oral cavity treatment and nursing, does not dissociate in the oral cavity, can effectively prevent oral mucosa lesions and avoids infection risks.