Adjustable centrum gap distraction and measurement device

The utility model discloses an adjustable vertebral gap opening and measuring device, and belongs to the field of medical instruments. The adjustable vertebral gap distraction and measurement device comprises a base, an adjusting assembly and a distraction assembly, the adjusting assembly is connected with the base, the distraction assembly is connected with the adjusting assembly, the base and/or the adjusting assembly are/is provided with scale marks matched with the distraction assembly, the distraction assembly comprises a sliding seat and a distraction piece, the sliding seat is connected with the adjusting assembly, and the distraction piece is connected with the adjusting assembly. The distraction pieces are connected with the sliding seat, the two distraction pieces are symmetrically arranged, and the adjusting assembly is used for driving the distraction pieces of the distraction assembly to do symmetrical linear motion. According to the spinal cord distraction device, the scale marks matched with th