Fixing device for fixing mouse through spine

The utility model discloses a fixing device for fixing a mouse through a spine. The lifting rod is vertically arranged on the top surface of the base; the clamping and fixing device comprises a clamping assembly and a fixing assembly; wherein the clamping assembly comprises an L-shaped clamping arm I and an arc-shaped clamper arranged at the bottom end of a vertical rod I of the clamping arm I, and the clamper is used for clamping T2 spinous processes of a mouse; the fixing assembly sequentially comprises an L-shaped clamping arm II and a horizontal hook arranged at the end of the clamping armII, and the horizontal hook is fixed to the vertebral body of the mouse. And the clamping arm II is connected to the vertical rod I through a bidirectional movable piece. According to the fixing device for fixing the mouse through the spine, the purpose of clamping the spinous process can be achieved by arranging the arc-shaped clamping pieces, meanwhile, the spine can be prevented from shaking leftwards and rightwards t