Surgical stent

The utility model discloses an operation support which comprises a sliding rail and a hand fixing plate, the sliding rail is semicircular and vertically arranged, the two ends of the sliding rail are connected with connecting pieces used for being connected with an operation bed, a sliding groove is formed in the lower end face of the sliding rail, and a sliding rod capable of sliding along the sliding groove is arranged in the sliding groove. The upper end face of the hand fixing plate is connected with the sliding rod through a connecting block, a hand containing groove is formed in the lower end face of the hand fixing plate, the two ends of the hand containing groove face the two ends of the sliding rail respectively, and a fixing device for fixing the hand in the hand containing groove is connected to the hand fixing plate. The hand fixing device comprises the semicircular sliding rails, and the hand fixing plate can move along the sliding rails through the sliding rods in the sliding rails, so that a pa