A headrest device for
lateral position diagnosis and treatment comprises a headrest, the overall height, the right side height and the left side height of the headrest can be adjusted respectively until one side height of the headrest is higher than the other side height, and when the headrest device is used, the headrest is adjusted to be at a proper height according to the
body type of a patient and is adjusted to be in an inclined state. The head and the face of the patient incline towards one side of the headrest, and oral secretions can naturally flow out conveniently due to the inclination of the headrest. The position, close to the rear side, of the left end of the headrest is connected with a
head and neck supporting bracket through a plurality of hinges and swing arms, the
head and neck supporting bracket is provided with a groove, a supporting plate is arranged at the bottom of the side wall of the groove, and the rear side face of the right end of the headrest is fixedly connected with a baffle. The upper section of the front side of the baffle is connected through a fourth hinge, a first
head and neck rear side fixing plate, a fifth hinge and a second head and neck rear side fixing plate. The head and neck supporting bracket and the second head and neck rear side fixing plate jointly fix the head and neck in a backward leaning state, so that the
airway is opened, the space of the
pharyngeal cavity is increased, and the conditions of hypoxia, bucking, aspiration and the like are avoided.