Nursing device for venipuncture of old people

The left side of the top of a base is fixedly connected with a vertical rod, the end, located on the right side of the vertical rod, of the top of the base is fixedly connected with a threaded rod through a rotating motor, the top of the threaded rod is rotationally connected with a top plate, and the surface of the threaded rod is in threaded connection with a moving block; a sliding plate is slidably connected to the bottom of the mounting plate through a mounting box, springs are fixedly connected between the two sides of the top of the sliding plate and the inner wall of the mounting box, sliding rods are fixedly connected to the two sides of the bottom of the sliding plate, penetrate through the bottom of the mounting box and are fixedly connected with a pressing plate, and a workbench located under the pressing plate is fixedly arranged on the right side of the top of the base. The arm puncture point of a patient in the workbench can be conveniently pressed, the hemostasis effect is achieved, the situat