Cardiac surgery traction device

The utility model discloses a traction device for cardiac surgery. Including a base, wherein a first supporting column is arranged above the base; a second supporting column is arranged on the right side of the first supporting column; grooves are formed in the first supporting column and the second supporting column; auxiliary sliding grooves are formed in the left sides and the right sides of the two grooves. Air cylinders are mounted at the bottoms of the two grooves; pistons are arranged above the two air cylinders, sliding blocks are arranged on the left sides and the right sides of the two pistons correspondingly, supporting rods are connected to the upper portions of the two pistons correspondingly, first connecting rods are connected to the upper portions of the inner sides of thetwo supporting rods correspondingly, and second connecting rods are arranged below the first connecting rods. According to the traction device for the cardiac surgery department, an original sliding groove is changed into the