Oropharynx channel for painless gastroscopy

The oropharynx channel comprises a bite block and a bent tube, the bent tube is integrally formed and communicated with the rear end of the bite block, the interior of the bite block and the interior of the bent tube, a mouth protector is arranged on the periphery of the bite block, a square hole matched with the bite block is formed in the middle of the front face of the mouth protector, and the square hole is communicated with the bent tube. The utility model relates to the technical field of painless gastroscopy auxiliary equipment. According to the oropharynx channel for the painless gastroscopy, the cushion pipe is arranged in the tooth cushion, the partition plate is used for dividing the cushion pipe into the air chamber and the endoscope chamber, normal ventilation is guaranteed, meanwhile, a channel is provided for the gastroscopy, the mouth protector is used for isolating the mouth of a patient, and the stability of the device when the patient occludes is guaranteed; and through cooperative arrangem