Adjustable support system for fixing limbs

The utility model discloses an adjustable support system used for fixing four limbs, which belongs to the technical field of medical instruments and comprises an adjustable support used for fixing the four limbs and a fixing clamp used for fixing the adjustable support used for fixing the four limbs to an operating bed. Wherein the adjustable bracket for fixing the four limbs comprises a bottom plate, a hinge plate and a sliding plate; the fixing clamp comprises a fixing block used for being connected with the edge of an operating bed in a sliding mode and a connecting rod used for being connected with a bottom plate of the adjustable support used for fixing the four limbs, the outer side of the fixing block is connected with a clamping assembly, and the connecting rod is arranged on the clamping assembly in a penetrating mode. The support is simple in structure, small in size and convenient to manufacture and use, the support and the operating bed can be fixed together, displacement in the using process is a