Upper limb fixing device for CT examination

The utility model discloses an upper limb fixing device for CT (Computed Tomography) examination, which comprises two bed head clamps, a guide rail arranged between the two bed head clamps and two arm fixing clamps arranged on the guide rail, the bed head clamps are used for being fixed on two sides of a bed head of a CT examination bed, the guide rail is provided with two short sliding chutes positioned at two ends of the guide rail and a long sliding chute positioned between the two short sliding chutes, and the arm fixing clamps are arranged on the guide rail. The arm fixing clamp is used for clamping the arm of a patient, an adjusting rod is supported below the arm fixing clamp and comprises a supporting rod, a fastening sleeve and a sliding cylinder, the sliding cylinder is arranged in the long sliding groove, and the upper end and the lower end of the sliding cylinder are exposed. A limiting ring with the size larger than the width of the long sliding groove protrudes from the outer wall side of the low