Osteotomy protection device for orthopedics department

The orthopedic osteotomy protection device comprises a base, connecting blocks are fixedly connected to the left side and the right side of the top of the base, swing rods are movably connected to the surfaces of the connecting blocks through pin shafts, an air expansion cover is fixedly connected to the surfaces of the swing rods, and the outer side of the air expansion cover communicates with a corrugated pipe; a draught fan is fixedly connected into the base, a collecting box located in the draught fan is inserted into the left side of the base, the output end of the draught fan is inserted into the right side of the collecting box, the input end of the draught fan communicates with a flow dividing pipe, and the end, away from the draught fan, of the flow dividing pipe communicates with the two sides of the base correspondingly. And the side, away from the air expanding cover, of the corrugated pipe communicates with the flow dividing pipe, the top of the base is fixedly connected with a supporting frame,