Fixed puncture device

The utility model relates to the technical field of children kidney disease puncture, and discloses a fixed puncture device which comprises two fixing plates, a puncture needle and a moving block, grooves are formed in the middles of the opposite positions of the two fixing plates, and first sliding grooves are formed in the middles of the opposite positions of the two grooves. Electric telescopic rods are fixedly arranged in the middles of the inner bottom surfaces of the two grooves, connecting blocks are fixedly arranged at the upper ends of the two electric telescopic rods, first sliding blocks are fixedly arranged on the opposite sides of the two connecting blocks, a moving plate is fixedly arranged between the two connecting blocks, and a moving hole is formed in the middle of the upper end surface of the moving plate; second sliding grooves are formed in the front end and the rear end in the moving hole, second sliding blocks are fixedly arranged at the front end and the rear end of the moving block, a